JPS61107182A - Radar equipment - Google Patents
Radar equipmentInfo
- Publication number
- JPS61107182A JPS61107182A JP59228276A JP22827684A JPS61107182A JP S61107182 A JPS61107182 A JP S61107182A JP 59228276 A JP59228276 A JP 59228276A JP 22827684 A JP22827684 A JP 22827684A JP S61107182 A JPS61107182 A JP S61107182A
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- distance
- component
- rain cloud
- velocity component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001955 cumulated effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000284 extract Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は雨雲の移動速度情報を得るレーダ装置に関する
。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a radar device that obtains information on the moving speed of rain clouds.
（従来の技術）
従来、雨雲の移動速度情報を得るために次に記述する方
法が用いられている。(Prior Art) Conventionally, the method described below has been used to obtain information on the moving speed of rain clouds.
（１）同じレーダ性能諸元を有する２台のレーダ装置を
所定の位置関係で設置する。(1) Two radar devices having the same radar performance specifications are installed in a predetermined positional relationship.
（２）各レーダ装置の空中線ビームを目標とする雨雲が
存在する方位方向及び仰角方向く向けて、各レーダ装置
から同時にパルス高周波信号を放射する。(2) Simultaneously emit a pulsed high-frequency signal from each radar device by directing the antenna beam of each radar device in the azimuth and elevation direction where the target rain cloud exists.
（３）目標とする雨雲から反射されたパルス高周波信号
を受信し、この反射受信信号が有するドツプラ情報よシ
雨真の移動速度に係わる距離方向速度成分を得る。(3) Receive the pulsed high-frequency signal reflected from the target rain cloud, and obtain the velocity component in the distance direction related to the moving speed of the rain cloud based on the Doppler information contained in this reflected reception signal.
（４） 各レーダ装置で抽出された距離方向速度成分
と各レーダ装置の空中線ビームの方位／仰角情報と２台
のレーダ装置の設置位置関係の情報よシ雨裏の移動速度
に係わる方位方向速度成分を算出する。(4) Distance direction velocity component extracted by each radar device, azimuth/elevation angle information of the antenna beam of each radar device, information on the installation position relationship of the two radar devices, and azimuth direction velocity related to the moving speed behind the rain. Calculate the ingredients.
上記方法を用いて雨雲の移動速度情報を得る例を開示し
た文献としては「Ｄｕａｌ−Ｄｏｐｐｌｅｒ Ｒａｄａ
ｒＯｂｓｅｒｖａｔｉｏｎ ａｎｄ ５ｔｕｄｙ ｏｆ
ｓｅａ Ｂｒｅｅｚｅ ＣｏｎｖｅｔｉｖｅＳｔｏｒ
ｍ Ｄｅｖｅｌｏｐｍｅｎｔ Ｊ ＪＯＵＲＮＡＬ Ｏ
Ｆ ＡＰＰＬＩＥＤＭＥＴＥＯＲＯＬＯＧＹ Ｖｏｌｕ
ｍｅ １４（１９７５）がある。A document disclosing an example of obtaining movement speed information of rain clouds using the above method is "Dual-Doppler Rada".
rObservation and 5tudy of
sea Breeze ConvertiveStor
m Development J JOURNAL O
F APPLIED METEOROLOGY Volu
me 14 (1975).
（発明が解決しようとする問題点）
このような従来の方法によれば、上記実施例にみられる
ように雨雲の移動速度情報を正確に得ることができるが
、同じレーダ性能諸元を有する２台のレーダ装置を所定
の位置関係で設置し動作させる必要がある。(Problems to be Solved by the Invention) According to such a conventional method, it is possible to accurately obtain information on the moving speed of rain clouds as seen in the above embodiment. It is necessary to install and operate two radar devices in a predetermined positional relationship.
本発明は、雨雲からの反射受信信号から雨雲の移動速度
に係わる距離方向速度成分の差分から所定の方位間隔に
係わる方位方向速度成分の差分を推定する方法を用いる
ことにより、１台のレーダ装置のみで雨雲の推定移動速
度情報を得ることができるようにしたレーダ装置を提供
するものであるＯ
（問題点を解決するための手段）
本発明によるレーダ装置は上記問題点を解決するために
、雨雲からの反射受信信号から雨雲の移動速度に係わる
距離方向速度成分を得る手段と、所定の距離間隔に係わ
る距離方向速度成分の差分を得る手段と、この距離方向
速度成分の差分の複数個の平均化処理を用いて所定の方
位間隔に係わる方位方向速度成分の差分を推定する手段
と、方位方向速度成分初期値に方位方向速度成分の差分
を逐次累積して方位方向速度成分を得る手段と、距離方
向速度成分と方位方向速度成分とから雨雲移動速度を算
出する手段にて構成される。その結果、１台のレーダ装
置のみで雨雲の推定移動速度情報を得ることができる。The present invention utilizes a method of estimating the difference in the azimuth velocity component related to a predetermined azimuth interval from the difference in the distance direction velocity component related to the moving speed of the rain cloud from the reflected reception signal from the rain cloud. (Means for Solving the Problems) In order to solve the above problems, the radar device according to the present invention has the following features: means for obtaining a distance direction velocity component related to the moving speed of the rain cloud from a reflected reception signal from the rain cloud; means for obtaining a difference in the distance direction velocity component related to a predetermined distance interval; means for estimating a difference in azimuth velocity components related to a predetermined azimuth interval using averaging processing; and means for obtaining an azimuth velocity component by sequentially accumulating the difference in azimuth velocity components on an initial value of the azimuth velocity component. , a means for calculating a rain cloud moving speed from a distance direction speed component and an azimuth direction speed component. As a result, information on the estimated moving speed of rain clouds can be obtained using only one radar device.
本発明によるレーダ装置のより具体的構成は次の各手段
を含む。即ち、所定のパルス幅と繰返し周期で変調され
た送信高周波信号を発生する手段と、送信高周波信号を
レーダ捜索空間に放射し、レーダ捜索空間に存在する物
体で反射された高周波信号を受信する手段と、受信高周
波信号を増幅し、中間周波信号に変換・増幅し、同期検
波（又は位相検波）して受信複素信号の同相成分信号と
直交成分信号とを得る手段と、送信高周波信号【同期し
そのパルス幅に係わる所定の時間を距離基準単位とし、
その繰返し周期に係わる所定の時間を方位基準単位とし
て、送信高周波信号の１繰返し周期に係わる受信信号の
同相成分信号と直交成分信号を距離基準単位で分割し、
分割された同相成分信号と直交成分信号の各々について
ｍ個（ｍは１以上の整数）の距離基準単位間隔でＭ個（
Ｍは１以上の整数）の距離基準単位分割信号を得、更に
そのＭ個の分割信号をｎ個（ｎは１以上の整数）の方位
基準単位間隔でＮ個（Ｎは２以上の整数）の方位基準単
位間隔て（すなわち同相成分信号と直交成分信号とを合
せて２ＸＭ’ＸＮ個の分割信号を得て）構成される距離
／方位基準信号群を得る手段と、レーダ捜索空間に存在
する目標とする物体に係る距離／方位基準信号群よりこ
の物体の距離方向速度成分を得る手段と、距離方向く相
隣る２つの距離／方位基準信号群に係る各々の距離方向
速度成分の差分を得る手段と、前記の目標とする物体に
係る距離方向速度成分の差分とこの距離方向速度成分の
差分と、方位方向において係わる所定数の距離方向速度
成分の差分と、距離方向に相隣る２つの距離／方位基準
信号群の距離間隔情報と、方位方向に相隣る２つの距離
／方位基準信号群の方位間隔情報とにより前記の目標と
する物体の方位方向速度成分の差分を推定する手段と、
方位方向速度成分初期値に方位方向速度成分の差分推定
値を逐次累積して目標とする物体の方位方向速度成分を
得る手段と距離方向速度成分と方位方向速度成分よシ目
標とする物体の移動速度を得る手段とを含み構成される
。A more specific configuration of the radar device according to the present invention includes the following means. That is, means for generating a transmission high-frequency signal modulated with a predetermined pulse width and repetition period, and means for emitting the transmission high-frequency signal into a radar search space and receiving the high-frequency signal reflected by an object existing in the radar search space. a means for amplifying the received high frequency signal, converting and amplifying it into an intermediate frequency signal, and performing synchronous detection (or phase detection) to obtain an in-phase component signal and a quadrature component signal of the received complex signal; A predetermined time related to the pulse width is set as a distance reference unit,
Divide the in-phase component signal and quadrature component signal of the received signal related to one repetition period of the transmission high-frequency signal in distance reference units using a predetermined time period related to the repetition period as a direction reference unit,
For each of the divided in-phase component signals and quadrature component signals, M (
M is an integer of 1 or more) distance reference unit divided signals are obtained, and the M divided signals are further divided into N pieces (n is an integer of 2 or more) at azimuth reference unit intervals of n (n is an integer of 1 or more). means for obtaining a range/azimuth reference signal group configured at azimuth reference unit intervals (that is, by combining the in-phase component signal and the orthogonal component signal to obtain 2XM'XN divided signals); A means for obtaining a velocity component in the distance direction of a target object from a group of distance/azimuth reference signals related to the object, and a means for obtaining a velocity component in the distance direction of the object from a group of distance/azimuth reference signals related to the target object, and a means for calculating the difference between the velocity components in the distance direction of two adjacent distance/azimuth reference signal groups in the distance direction. means for obtaining the difference between the velocity components in the distance direction related to the target object; Means for estimating the difference in velocity components in the azimuth direction of the target object based on the distance interval information of one distance/azimuth reference signal group and the azimuth interval information of two distance/azimuth reference signal groups adjacent in the azimuth direction. and,
Means for obtaining the azimuth velocity component of a target object by successively accumulating the difference estimated value of the azimuth velocity component to the initial value of the azimuth velocity component, and movement of the target object based on the distance velocity component and the azimuth velocity component. and means for obtaining speed.
（実施例） 次に本発明の実施例について図面を参照して説明する。(Example) Next, embodiments of the present invention will be described with reference to the drawings.
本発明になるレーダ装置は、送信部１と、空中線部２と
、受信部３と、距離／方位基準信号群抽出部４と、距離
方向速度成分抽出部５と、距離方向速度成分の差分抽出
部６と、距離／方位基準信号群の距離間隔情報入力端子
７及び方位間隔情報入力端子８と接続する方位方向速度
成分の差分推宇部９と、方位方向速度成分初期値入力端
子１０と接続する方位方向速度成分推定部１１と雨雲移
動速度算出部１２とを含む。The radar device according to the present invention includes a transmitting section 1, an antenna section 2, a receiving section 3, a distance/azimuth reference signal group extraction section 4, a distance direction velocity component extraction section 5, and a difference extraction of distance direction velocity components. section 6 is connected to the distance interval information input terminal 7 and the azimuth interval information input terminal 8 of the distance/azimuth reference signal group.The azimuth direction velocity component difference estimating section 9 is connected to the azimuth direction velocity component initial value input terminal 10. It includes an azimuth direction velocity component estimation section 11 and a rain cloud movement speed calculation section 12.
送信部１で発生した所定のパルス幅と繰返し周期で変調
された高周波信号を、空中線部２よシ所定の空中線ビー
ムによシレーダ授累空間に放射し、レーダ歿木窒間に存
在する雨雲で反射された高周波信号を空中線部２により
所定の空中線ビームにより受信する。受信部３で受信高
周波信号を増幅し、中間周波信号に変換・増幅し、同期
検波して受信複素信号の同相成分信号と直交成分信号に
分離して距離／方位基準信号群抽出部４へ入力する。A high frequency signal modulated with a predetermined pulse width and repetition period generated by the transmitting section 1 is radiated from the antenna section 2 into the radar transmission space by a predetermined antenna beam, and is emitted by the rain clouds existing between the radar and the radar. The reflected high frequency signal is received by the antenna section 2 using a predetermined antenna beam. The receiving section 3 amplifies the received high frequency signal, converts and amplifies it into an intermediate frequency signal, performs synchronous detection, and separates the received complex signal into an in-phase component signal and a quadrature component signal, which are input to the distance/direction reference signal group extraction section 4. do.
距離／方位基準信号群抽出部４においては、先ず、受信
部３から入力された送信高周波信号の１繰返し回期に係
わる受信信号の同相成分信号及び直交成分信号を距離基
準単位（送信高周波信号に同期しそのパルス幅に係わる
所定の時間）で分割する。次に、分割された同相成分信
号と直交成分信号の各々についてｍ個（ｍは１以上の整
数）の距離基準単位間隔でＭ個（Ｍは１以上の整数）の
距離基準単位分割信号を抽出する。In the distance/azimuth reference signal group extraction section 4, first, the in-phase component signal and quadrature component signal of the received signal related to one repetition period of the transmission high-frequency signal inputted from the reception section 3 are converted into a distance reference unit (transmission high-frequency signal). synchronously and divided by a predetermined time related to the pulse width). Next, for each of the divided in-phase component signal and quadrature component signal, M distance reference unit divided signals (M is an integer of 1 or more) are extracted at m distance reference unit intervals (m is an integer of 1 or more). do.
そして、このＭ個の分割信号をｎ個（ｎは１以上の藍数
）の方位基準単位（送信高周波信号に同期しその繰返し
周期に係わる所定の時間）間隔でＮ個（Ｎは２以上の整
数）の方位基準単位分抽出する。すなわち同相成分信号
と直交成分信号とを合わせて２ｘＭＸＮ個の分割信号を
抽出する。この２ｘＭＸＮ個の分割信号で距離／方位基
準信号群を購成する。距離／方位基準信号群は距離方向
速度成分抽出部５に入力される。Then, these M divided signals are sent to N units (N is an indigo number of 1 or more) at intervals of azimuth reference units (predetermined time synchronized with the transmission high-frequency signal and related to its repetition period). Extracts the direction reference unit (integer). That is, the in-phase component signal and the orthogonal component signal are combined to extract 2×MXN divided signals. A distance/direction reference signal group is obtained using these 2×MXN divided signals. The distance/azimuth reference signal group is input to the distance direction velocity component extraction section 5.
距離方向速度成分抽出部５においては、入力された距離
／方位基準信号群より、この距離／方位基準信号群に係
わる雨雲のドツプラ同波数を検出し、検出されたドツプ
ラ周波数に基づく距離方向速度成分を抽出する。距離方
向速度成分の差分抽出部６は、入力された距離方向に相
隣る２つの距離／方位基準信号群に係る各々の［９方向
成分から、その差分を抽出する。距離方向速度成分の差
分は方位方向速度成分の差分推定部９に入力されるＯ
方位方向速度成分の差分推定部９においては、次に示す
方法によシ方位方向速度成分の差分を推定する。The distance direction velocity component extraction unit 5 detects the Doppler frequency of the rain cloud related to the input distance/direction reference signal group from the input distance/direction reference signal group, and extracts the distance direction velocity component based on the detected Doppler frequency. Extract. The distance direction velocity component difference extracting unit 6 extracts the difference from each of the [9 direction components related to the inputted two distance/direction reference signal groups adjacent to each other in the distance direction. The difference between the distance direction velocity components is input to the azimuth direction velocity component difference estimating section 9. The azimuth direction velocity component difference estimating section 9 estimates the difference between the azimuth direction velocity components by the method described below.
雨雲の移動状態を非圧縮系の流体の移動状態に近似した
場合、雨雲の移動速度をＶとするとｄｉｖ■＝０が成立
する。雨雲の移動速度ｖｌ距離方向速度成分ｖｘ、方位
方向速度成分ｖｙ、距離／方位両方向に直角な方向速度
成分ｖ２に分けた場合、近似Δｘ ：工離方向に関する
変化分
６７１２６１間の距離方向速度成分の差分Δｙ ：方位
方向に関する変化分
Δｖ、：Δγ間の方位方向速度成分の差分Δ２ ：距離
／方位に直角方向に関する変化分Δｖｚ ：６２間の距
離／方位に直角方向速度成分の差分
以上の関係式から位置（ｘ＋７＋”）に存在する目標と
する雨雲の方位方向速度成分の差分は次のように求めら
れる。When the moving state of the rain cloud is approximated to the moving state of an incompressible fluid, and if the moving speed of the rain cloud is V, then div■=0 holds true. When the moving speed vl of the rain cloud is divided into a distance direction velocity component vx, an azimuth direction velocity component vy, and a directional velocity component v2 perpendicular to both the distance/azimuth directions, approximation Δx: of the distance direction velocity component between the changes 671261 in the distance direction Difference Δy: Change in azimuth direction Δv, : Difference in azimuth velocity component between Δγ Δ2: Change in direction perpendicular to distance/azimuth Δvz: Relational expression that is greater than the difference in velocity component in the direction perpendicular to distance/azimuth between 62 The difference in the azimuthal velocity components of the target rain cloud existing at position (x+7+'') from is calculated as follows.
ΔＶｘ −ΔＶｚ
Δ■ｙ＝−Δｙ（−＋−）
ΔＸ Δ２
コΔｙ （（Ｖ、＋但アーｖ８−７．ア）ん＋−ヤー）
ｔ
Ｖ、＋ｌｓ、ｘ 、ア及び■８−〒、アはレーダ装置で
測定可能な％＠ｘ＋ ｓ方位ｙ及び距！１ａｘ−Ｈｅ
方位ＹＫ存在する雨雲の距離方向速度成分であり、ΔＶ
ｚは距離／方位に直角方向速度成分の差分の推定値であ
る。ΔVx -ΔVz Δ■y=-Δy(-+-) ΔX Δ2 koΔy ((V, +A v8-7.A) +-Ya)
t V, +ls, x, a and ■8-〒, a are the %@x+ s direction y and distance that can be measured by the radar device! 1ax-He
It is the velocity component in the distance direction of the rain cloud that exists in the direction YK, and ΔV
z is an estimate of the difference in velocity components perpendicular to the distance/azimuth.
推定値ΔＶｚは次のように求められる。The estimated value ΔVz is obtained as follows.
ΔＶｚ＝−Δｚ〔（２Ｎ＋１）６ｘ（（■ｘ＋〒、ｙ−
〒・Ｎ−■ｘ−〒、、−〒、Ｎ） ＋ （Ｖｘ４？、
、−〒（Ｎ−１） −■ｘ−〒。ΔVz=-Δz [(2N+1)6x((■x+〒,y-
〒・N−■x−〒,,−〒,N) + (Vx4?,
, -〒(N-1) -■x-〒.
、−シ（Ｎ−１））＋・・・・・・＋（ｖ、十但、、ｙ
、−〒１．）＋・・・・・・＋”” ｔ Ｙ岬（Ｎ−１
） −Ｖｘ 、 ｙ奢＠ Ｎ） ＋ （Ｖｘ、、−Ｖ＜
Ｎ−２）−ｖ、、、岑。−１））＋・・・・・・＋（
Ｖ、、、−Ｖ、、、−♀＋（ｖｘ９．十と、Ｎ−舅、−
位、Ｎ）〕、−とＮ）＋・・・・・・＋（Ｖ、、：狂ア
ーｖｘ−位２．）＋・・・・・・＋２
２ ｐ ２（■Ｘ＋モ
１．十位、−ｖｘ−址アやヨ、））〕（（ｖｘ十仁、ｙ
−毎Ｎ′″′″■ｘ−〒、ｙ−〒Ｎ）＋・・・・・・＋
（Ｖ、、ＡＸ 、、■、−Ｊ、 、） ＋、、、、、、
＋ （■、十Ａ、Ｘ、ｙ＋〒Ｎ−２ ｔ
２
■８−飢１．シｈ））〕
すなわち、距離方向速度成分の差分と、この距離方向速
度成分の差分と方位方向において係わる所定数の距離方
向速度成分の差分と、距離間隔情報（距離方向に関する
変化分）と方位間隔情報（方位方向に関する変化分）と
により方位方向速度成分の差分を推定することができる
。, -shi(N-1))+...+(v, Jutan,,y
,-〒1. )＋・・・・・・＋””t Cape Y (N-1
) −Vx, yＢ＠N) + (Vx,, −V<
N-2)-v,,,岑. −1))＋・・・・・・＋(
V,,,-V,,,-♀+(vx9.ten, N-in-law,-
place, N)], - and N) +......+ (V,,: crazy ah vx - place 2.) +......+2
2 p 2 (■
−Every N′″′″■x−〒、y−〒N)＋・・・・・・＋
(V,,AX,,■,-J,,) +,,,,,,,
+ (■, 10A, X, y+〒N-2 t
2 ■8- Hunger 1. In other words, the difference between the velocity components in the distance direction, the differences between the predetermined number of velocity components in the distance direction related to the difference in the velocity components in the distance direction, the distance interval information (changes in the distance direction), and the azimuth. The difference in velocity components in the azimuth direction can be estimated based on the interval information (changes in the azimuth direction).
方位方向速度成分の差分推定部９からの方位方向速度成
分の差分は方位方向速度成分を推定部１１に入力される
。方位方向速度成分推定部１１は方位方向速度成分初期
値入力端子１０から入力される方位方向速度成分初期１
直に方位方向速度成分の差分推定値を逐次累積して方位
方向速度成分を出力する。雨雲移動速度算出部１２け距
離方向速度成分抽出部５からの距離方向速度成分と方位
方向、速度成分推定部１１からの方位方向速度成分とか
ら雨雲の移動速度を算出する。The difference in the azimuth velocity component from the azimuth velocity component difference estimating unit 9 is inputted to the azimuth velocity component estimating unit 11 . The azimuth velocity component estimating unit 11 receives an initial 1 azimuth velocity component input from the azimuth velocity component initial value input terminal 10.
Directly, the difference estimated values of the azimuth direction velocity components are successively accumulated and the azimuth direction velocity components are output. The rain cloud moving speed calculating section 12 calculates the moving speed of the rain cloud from the distance direction speed component from the distance direction speed component extraction section 5 and the azimuth direction speed component from the azimuth direction and speed component estimating section 11.
（発明の効果）
本発明は以上説明したように、雨雲からの反射受信信号
から雨雲の移動速度に係わる距離方向速度成分を得、こ
の成分について所定の距離間隔に係わる差分を求め、得
られた差分の複数個の平均化処理を行なって所定の方位
間隔に係わる方位方向速度成分の差分を推定する。また
方位方向速度成分初期値に方位方向速度成分の差分を逐
次累積して方位方向速度成分を得、距離方向速度成分と
方位方向速度成分とから雨雲移動速度を算出することに
より、１台のレーダ装置のみで雨雲の唯定移動速度情報
を得ることができる効果がある。(Effects of the Invention) As explained above, the present invention obtains a velocity component in the distance direction related to the moving speed of the rain cloud from the reflected received signal from the rain cloud, and calculates the difference in this component related to a predetermined distance interval. A plurality of differences are averaged to estimate a difference in velocity components in the azimuth direction related to a predetermined azimuth interval. In addition, by sequentially accumulating the difference of the azimuth velocity component to the initial value of the azimuth velocity component to obtain the azimuth velocity component, and calculating the rain cloud moving speed from the distance velocity component and the azimuth velocity component, one radar This device has the advantage of being able to obtain specific information on the moving speed of rain clouds.
図は本発明の一実施例のブロック図である。
ｌ・・・・・・送信部、２・・・・・・空中線部、３・
・・・・・受信部、４・・・・・・？Ｐ！碓／方位苓準
信号群抽出部、５・・・・・・距離方向速度成分抽出部
、６・・・・・・距離方向速度成分の差分抽出部、７・
・・・・・距離／方位基準信号群の距離間隔情報入力端
子、８・・・・・・距離／方位基準信号群の方位間隔情
報入力端子、９・・・・・・方位方向速度成分の差分推
定部、１０・・・・・・方位方向速度成分初期値入力端
子、１１・・・・・・方位方向速度成分推定部、１２・
・・・・・雨雲移動速度算出部。The figure is a block diagram of one embodiment of the present invention. l...Transmitter section, 2...Antenna section, 3.
...Receiving section, 4...? P! Usu/azimuth Rei semi-signal group extraction unit, 5... Distance direction velocity component extraction unit, 6... Distance direction velocity component difference extraction unit, 7.
...Distance interval information input terminal for distance/direction reference signal group, 8...Direction interval information input terminal for distance/direction reference signal group, 9 ....Azimuth direction velocity component Difference estimation unit, 10... Azimuth direction velocity component initial value input terminal, 11... Azimuth direction velocity component estimation unit, 12.
...Rain cloud movement speed calculation section.
Claims (1)
離方向速度成分を得る手段と、所定の距離間隔に係わる
距離方向速度成分の差分を得る手段と、この距離方向速
度成分の差分の複数個の平均化処理を用いて所定の方位
間隔に係わる方位方向速度成分の差分を推定する手段と
、方位方向速度成分初期値に方位方向速度成分の差分を
逐次累積して方位方向速度成分を得る手段と、距離方向
速度成分と方位方向速度成分とから雨雲移動速度を算出
する手段とを備えて成ることを特徴とするレーダ装置。means for obtaining a distance direction velocity component related to the moving speed of the rain cloud from a reflected reception signal from the rain cloud; means for obtaining a difference in the distance direction velocity component related to a predetermined distance interval; means for estimating a difference in azimuth velocity components related to a predetermined azimuth interval using averaging processing; and means for obtaining an azimuth velocity component by sequentially accumulating the difference in azimuth velocity components on an initial value of the azimuth velocity component. , means for calculating a rain cloud moving speed from a distance direction speed component and an azimuth direction speed component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59228276A JPS61107182A (en) | 1984-10-30 | 1984-10-30 | Radar equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59228276A JPS61107182A (en) | 1984-10-30 | 1984-10-30 | Radar equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107182A true JPS61107182A (en) | 1986-05-26 |
| JPH0530231B2 JPH0530231B2 (en) | 1993-05-07 |
Family
ID=16873939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59228276A Granted JPS61107182A (en) | 1984-10-30 | 1984-10-30 | Radar equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61107182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7584056B2 (en) * | 2005-02-22 | 2009-09-01 | Paradigm Geophysical Ltd. | Multiple suppression in angle domain time and depth migration |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3437091B2 (en) * | 1998-06-26 | 2003-08-18 | 三菱電機株式会社 | Weather radar equipment |
| JP6719742B2 (en) * | 2015-09-28 | 2020-07-08 | 国立大学法人 鹿児島大学 | Data processing method, data processing device, and program |
-
1984
- 1984-10-30 JP JP59228276A patent/JPS61107182A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7584056B2 (en) * | 2005-02-22 | 2009-09-01 | Paradigm Geophysical Ltd. | Multiple suppression in angle domain time and depth migration |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530231B2 (en) | 1993-05-07 |
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