JPS63163477U - - Google Patents
Info
- Publication number
- JPS63163477U JPS63163477U JP1451887U JP1451887U JPS63163477U JP S63163477 U JPS63163477 U JP S63163477U JP 1451887 U JP1451887 U JP 1451887U JP 1451887 U JP1451887 U JP 1451887U JP S63163477 U JPS63163477 U JP S63163477U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- fixed target
- oscillator
- output
- canceler
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001427 coherent effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図は本考案の第１の実施例による固定目標
消去器でのΔｆの現れ方を示す図、第２図は固定
目標消去器を有する従来及び本発明の増幅式レー
ダ装置の概略構成を示す図、第３図は複数チヤン
ネル切換式ＳＴＡＬＯの構成を示す図、第４図は
従来装置における固定目標消去器でのΔｆの現れ
方を示す図、第５図及び第６図は本考案の他の実
施例を示す図である。
１……安定化局部発振器（ＳＴＡＬＯ）、２…
…コヒーレント発振器（ＣＯＨＯ）、３……送信
用ミキサ、４……送信用増幅器、５……パルス変
調器、６……サーキユレータ、７……アンテナ、
８……受信用ミキサ、９……ＩＦ増幅器、１０…
…位相検波器、１１……固定目標消去器。なお図
中同一符号は同一又は相当部分を示す。
FIG. 1 is a diagram showing how Δf appears in the fixed target eraser according to the first embodiment of the present invention, and FIG. 2 is a diagram showing the schematic configuration of the conventional amplification type radar device and the present invention having the fixed target eraser. FIG. 3 is a diagram showing the configuration of a multi-channel switching type STALO, FIG. 4 is a diagram showing how Δf appears in a fixed target eraser in a conventional device, and FIGS. It is a figure which shows another Example. 1... Stabilized local oscillator (STALO), 2...
... Coherent oscillator (COHO), 3 ... Transmission mixer, 4 ... Transmission amplifier, 5 ... Pulse modulator, 6 ... Circulator, 7 ... Antenna,
8...Reception mixer, 9...IF amplifier, 10...
...Phase detector, 11...Fixed target canceler. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
整数倍、又は後述する固定目標消去器の検出域外
となるよう設定された複数チヤネル切換式の安定
化高部発振器及びコヒーレント発振器と、 これらの両発振器の出力を混合して送信波とし
、パルス変調して放射する送信手段と、 受信信号と上記安定化局部発振器の出力信号と
を混合して中間周波信号に変換する受信用ミキサ
と、 上記中間周波信号を上記コヒーレント発振器出
力を基準信号として位相検波する位相検波器と、 該位相検波器の出力に含まれる固定目標による
信号を消去する固定目標消去器とを備えたことを
特徴とするレーダ装置。[Claims for Utility Model Registration] A stabilized high-part oscillator and a coherent oscillator of a multi-channel switching type whose frequency interval is set to be an integral multiple of the transmission pulse repetition frequency or outside the detection range of a fixed target canceler to be described later. , a transmitter that mixes the outputs of these two oscillators to form a transmission wave, pulse-modulates it, and radiates it; and a reception mixer that mixes the received signal and the output signal of the stabilizing local oscillator and converts it into an intermediate frequency signal. and a phase detector that detects the phase of the intermediate frequency signal using the output of the coherent oscillator as a reference signal; and a fixed target canceler that cancels a signal caused by a fixed target included in the output of the phase detector. radar equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451887U JPS63163477U (en) | 1987-02-03 | 1987-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451887U JPS63163477U (en) | 1987-02-03 | 1987-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63163477U true JPS63163477U (en) | 1988-10-25 |
Family
ID=30804579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1451887U Pending JPS63163477U (en) | 1987-02-03 | 1987-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63163477U (en) |
-
1987
- 1987-02-03 JP JP1451887U patent/JPS63163477U/ja active Pending
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