JPH03128343U - - Google Patents
Info
- Publication number
- JPH03128343U JPH03128343U JP3676390U JP3676390U JPH03128343U JP H03128343 U JPH03128343 U JP H03128343U JP 3676390 U JP3676390 U JP 3676390U JP 3676390 U JP3676390 U JP 3676390U JP H03128343 U JPH03128343 U JP H03128343U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- antenna
- switch
- oscillator
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図はこの考案の一実施例による受信装置の
系統図、第２図は従来の受信装置の系統図、第３
図は従来の受信装置による運用方法を示す図であ
る。
図中、１……モノパルスアンテナ、２……和信
号系帯域ろ波器、３……差信号系帯域ろ波器、４
……和信号系増幅器、５……差信号系増幅器、６
……和信号系ミキサ、７……差信号系ミキサ、８
……発振器、９……無指向性アンテナ、１０……
無指向性アンテナ用帯域ろ波器、１１……無指向
性アンテナ用増幅器、１２……和信号用スイツチ
、１３……差信号用スイツチ、１４……無指向性
アンテナ用スイツチ、１５……遅延回路、１６…
…受信装置全体、１７……モノパルスアンテナパ
ターンである。なお、図中、同一または相当部分
には同一符号を付して示してある。
Fig. 1 is a system diagram of a receiving device according to an embodiment of this invention, Fig. 2 is a system diagram of a conventional receiving device, and Fig. 3 is a system diagram of a conventional receiving device.
The figure is a diagram showing an operating method using a conventional receiving device. In the figure, 1... Monopulse antenna, 2... Sum signal system bandpass filter, 3... Difference signal system bandpass filter, 4
... Sum signal system amplifier, 5 ... Difference signal system amplifier, 6
...Sum signal mixer, 7...Difference signal mixer, 8
...Oscillator, 9...Omnidirectional antenna, 10...
Bandpass filter for omnidirectional antenna, 11... Amplifier for omnidirectional antenna, 12... Switch for sum signal, 13... Switch for difference signal, 14... Switch for omnidirectional antenna, 15... Delay Circuit, 16...
. . . Entire receiving device, 17 . . . Monopulse antenna pattern. In the drawings, the same or corresponding parts are denoted by the same reference numerals.
Claims (1)
モノパルスアンテナ及び無指向性アンテナと、上
記モノパルスアンテナからの和信号、差信号及び
無指向性アンテナからの信号から、それぞれの不
用周波数を取り除く第１、第２、第３、の帯域ろ
波器と、上記モノパルスアンテナと無指向性アン
テナを切り換えるスイツチと、飛しよう体の発射
タイミングをトリガとし一定の時間後にスイツチ
切換信号を上記スイツチに発生する遅延回路と、
上記モノパルスアンテナからの和信号、差信号及
び無指向性アンテナからの信号を対応する上記帯
域ろ波器、スイツチをそれぞれ介して増幅する第
１、第２、第３の増幅器と、搬送波周波数と中間
周波数の差の周波数波を発生する発振器と、上記
第２の増幅器および発振器の出力を入力し、搬送
波周波数を中間周波数に変換する第１のミキサと
、上記第１または第３の増幅器および上記発振器
の出力を入力し、搬送波周波数を中間周波数に変
換する第２のミキサとを具備したことを特徴とす
る受信装置。 a monopulse antenna and an omnidirectional antenna for receiving a carrier wave transmitted by a flying object, and a first method for removing unnecessary frequencies from the sum signal and difference signal from the monopulse antenna and the signal from the omnidirectional antenna; A second and third bandpass filter, a switch that switches between the monopulse antenna and the omnidirectional antenna, and a delay circuit that uses the launch timing of the flying object as a trigger and generates a switch switching signal to the switch after a certain period of time. and,
first, second, and third amplifiers that amplify the sum signal and difference signal from the monopulse antenna and the signal from the omnidirectional antenna via the corresponding bandpass filter and switch, and carrier frequency and intermediate an oscillator that generates a frequency wave with a difference in frequency; a first mixer that inputs the outputs of the second amplifier and the oscillator and converts the carrier frequency to an intermediate frequency; the first or third amplifier and the oscillator. a second mixer that inputs the output of the receiver and converts the carrier frequency to an intermediate frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3676390U JPH03128343U (en) | 1990-04-05 | 1990-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3676390U JPH03128343U (en) | 1990-04-05 | 1990-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128343U true JPH03128343U (en) | 1991-12-24 |
Family
ID=31543282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3676390U Pending JPH03128343U (en) | 1990-04-05 | 1990-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128343U (en) |
-
1990
- 1990-04-05 JP JP3676390U patent/JPH03128343U/ja active Pending