JPH043373U - - Google Patents
Info
- Publication number
- JPH043373U JPH043373U JP4336090U JP4336090U JPH043373U JP H043373 U JPH043373 U JP H043373U JP 4336090 U JP4336090 U JP 4336090U JP 4336090 U JP4336090 U JP 4336090U JP H043373 U JPH043373 U JP H043373U
- Authority
- JP
- Japan
- Prior art keywords
- transmitted
- pulse
- frequency
- microwaves
- output
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図は考案の実施例を示すブロツク図、第２
図は変調パルス波Ｐｔの波形及び周波数混合器の
出力波形の位相により変化を示す図、第３図は周
波数混合器の出力レベルに応じて可変移送器を適
切に制御するための構成を示すブロツク図、第４
図は周波数混合器の両信号の位相をランダムに変
化させるための構成例を示すブロツク図、第５図
は従来の電波側距装置を示すブロツク図である。
Figure 1 is a block diagram showing an embodiment of the invention;
The figure shows changes depending on the waveform of the modulated pulse wave Pt and the phase of the output waveform of the frequency mixer. Figure 3 is a block diagram showing a configuration for appropriately controlling the variable transfer device according to the output level of the frequency mixer. Figure, 4th
This figure is a block diagram showing an example of a configuration for randomly changing the phases of both signals of a frequency mixer, and FIG. 5 is a block diagram showing a conventional radio wave side range device.
Claims (1)
調して電波として送信し、その反射受信パルスを
周波数混合器において局部信号で周波数変換し、
その周波数変換出力を増幅検波し、その検波出力
パルスが得られた時と送信パルスの送信時との時
間差から送信パルスの反射点までの距離を測定す
る電波測定装置において、 上記マイクロ波発振器の出力マイクロ波が供給
され、その位相をシフトして上記局部信号として
上記周波数混合器へ供給する可変移送器と、 その可変移送器の移送量を制御する制御回路と
、 を設けたことを特徴とするホモダイン方式電波測
距装置。[Claims for Utility Model Registration] Microwaves from a microwave oscillator are pulse-modulated and transmitted as radio waves, and the reflected received pulses are frequency-converted using a local signal in a frequency mixer,
In a radio wave measuring device that amplifies and detects the frequency conversion output and measures the distance to the reflection point of the transmitted pulse from the time difference between when the detected output pulse is obtained and when the transmitted pulse is transmitted, the output of the microwave oscillator is A variable transfer device to which microwaves are supplied, whose phase is shifted and supplied to the frequency mixer as the local signal, and a control circuit for controlling the transfer amount of the variable transfer device. Homodyne radio distance measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4336090U JP2517876Y2 (en) | 1990-04-23 | 1990-04-23 | Homodyne radio range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4336090U JP2517876Y2 (en) | 1990-04-23 | 1990-04-23 | Homodyne radio range finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH043373U true JPH043373U (en) | 1992-01-13 |
| JP2517876Y2 JP2517876Y2 (en) | 1996-11-20 |
Family
ID=31555713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4336090U Expired - Lifetime JP2517876Y2 (en) | 1990-04-23 | 1990-04-23 | Homodyne radio range finder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517876Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005181180A (en) * | 2003-12-22 | 2005-07-07 | Tdk Corp | Radar system |
-
1990
- 1990-04-23 JP JP4336090U patent/JP2517876Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005181180A (en) * | 2003-12-22 | 2005-07-07 | Tdk Corp | Radar system |
| US7280069B2 (en) | 2003-12-22 | 2007-10-09 | Tdk Corporation | Range-finding radar apparatus with high-resolution pulse-width calculation unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517876Y2 (en) | 1996-11-20 |
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