JPH0447680U - - Google Patents

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Publication number
JPH0447680U
JPH0447680U JP9040490U JP9040490U JPH0447680U JP H0447680 U JPH0447680 U JP H0447680U JP 9040490 U JP9040490 U JP 9040490U JP 9040490 U JP9040490 U JP 9040490U JP H0447680 U JPH0447680 U JP H0447680U
Authority
JP
Japan
Prior art keywords
radar
underground
signal
receiver
rotary
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
Application number
JP9040490U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9040490U priority Critical patent/JPH0447680U/ja
Publication of JPH0447680U publication Critical patent/JPH0447680U/ja
Pending legal-status Critical Current

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  • Radar Systems Or Details Thereof (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る回転式地中探査レーダ装
置を地面に置いた状態を示す斜視図、第２図は上
記回転式地中探査レーダ装置の断面図、第３図は
上記回転式地中探査レーダ装置をそのカバーを取
り外して示す平面図、第４図はレーダ探査器の構
成を示すブロツク図、第５Ａ図および第５Ｂ図は
埋設ケーブルがある地面に回転式地中探査レーダ
装置を配置した状態を示す平面図、第６図は回転
板の所定回転角度毎の反射レーダ波受信信号の応
答時間変化を示すグラフ、第７図は反射レーダ波
受信信号を複数の所定深さ毎に分けて表したグラ
フである。 ２……埋設ケーブル、１１……支持板、１２…
…カバー、１４……回転板、２０……レーダ探査
器、２１……発信部、２２……受信部、２３……
信号処理部。 FIG. 1 is a perspective view showing the rotary underground exploration radar device according to the present invention placed on the ground, FIG. 2 is a sectional view of the rotary underground exploration radar device, and FIG. Fig. 4 is a block diagram showing the configuration of the radar probe, and Figs. 5A and 5B show a rotary underground probing radar device installed on the ground with a buried cable. A plan view showing the arranged state, FIG. 6 is a graph showing the response time change of the reflected radar wave reception signal for each predetermined rotation angle of the rotating plate, and FIG. 7 is a graph showing the reflected radar wave reception signal at each predetermined depth. This is a graph shown separately. 2... Buried cable, 11... Support plate, 12...
... Cover, 14 ... Rotating plate, 20 ... Radar probe, 21 ... Transmitting section, 22 ... Receiving section, 23 ...
Signal processing section.

Claims (1)

【実用新案登録請求の範囲】 地上に設置される支持体と、この支持体上に水
平に回転可能に取り付けられた回転体と、この回
転体に取り付けられたレーダ探査器とからなる回
転式地中探査レーダ装置であつて、 前記レーダ探査器が、地中に向けてレーダ波を
発信する発信部と、地中から反射されてくるレー
ダ波を受信する受信部と、この受信部で受信した
信号を処理する信号処理部とを備え 前記信号処理部においては、前記回転体が１回
転する間における前記受信部での受信信号を複数
の所定深さ毎に分けて求め、これら複数の所定深
さ毎の信号の前記回転体の回転角度に対する変化
を示す曲線が正弦波形に近似し且つその変化幅が
最も大きいものに該当する深さを、地中埋設物の
深さとして求めるようにしたことを特徴とする回
転式地中探査レーダ装置。[Claims for Utility Model Registration] A rotating platform consisting of a support installed on the ground, a rotating body horizontally rotatably mounted on this support, and a radar probe attached to this rotating body. A medium exploration radar device, wherein the radar probe includes a transmitter that transmits radar waves underground, a receiver that receives radar waves reflected from underground, and a receiver that transmits radar waves that are received by the receiver. a signal processing unit that processes a signal, and the signal processing unit divides and obtains the received signal at the receiving unit during one rotation of the rotary body at each of a plurality of predetermined depths; The depth at which the curve representing the change in the signal for each rotation angle with respect to the rotation angle of the rotary body is approximated to a sine waveform and the width of the change is the largest is determined as the depth of the underground object. A rotary underground exploration radar device featuring:
JP9040490U 1990-08-29 1990-08-29 Pending JPH0447680U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9040490U JPH0447680U (en) 1990-08-29 1990-08-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9040490U JPH0447680U (en) 1990-08-29 1990-08-29

Publications (1)

Publication Number Publication Date
JPH0447680U true JPH0447680U (en) 1992-04-22

Family

ID=31825129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9040490U Pending JPH0447680U (en) 1990-08-29 1990-08-29

Country Status (1)

Country Link
JP (1) JPH0447680U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012215501A (en) * 2011-04-01 2012-11-08 Hitachi Engineering & Services Co Ltd Buried object surveying method and buried object surveying device
JP2012215500A (en) * 2011-04-01 2012-11-08 Hitachi Engineering & Services Co Ltd Method and device for surveying buried object

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158576A (en) * 1982-03-16 1983-09-20 Tokyo Gas Co Ltd Inspection of buried pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158576A (en) * 1982-03-16 1983-09-20 Tokyo Gas Co Ltd Inspection of buried pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012215501A (en) * 2011-04-01 2012-11-08 Hitachi Engineering & Services Co Ltd Buried object surveying method and buried object surveying device
JP2012215500A (en) * 2011-04-01 2012-11-08 Hitachi Engineering & Services Co Ltd Method and device for surveying buried object

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