JPH0381578U

JPH0381578U -

Info

Publication number: JPH0381578U
Application number: JP14343789U
Authority: JP
Priority date: 1989-12-12
Filing date: 1989-12-12
Publication date: 1991-08-20

Description

[Brief explanation of drawings]

第１図は、この考案の一実施例を示す図、第２
図ａ，ｂは受信ビデオの波形、第３図は従来の実
施例を示す図である。図において、１……アンテナ、２……送信機部
、３……ＴＲ部、４……受信機部、６……ビデオ
信号処理部、７……Ｒ／Ｆスコープ、８ａ〜８ｂ
……ループカプラ、９……デイレイライン、１０
……操作部、１１……データリード部、１２……
Ｄ／Ａ変換器、１３……減衰器である。尚、図中
同一あるいは相当部分には同一符号を付して示し
てある。 Figure 1 is a diagram showing an embodiment of this invention;
Figures a and b show waveforms of received video, and Figure 3 shows a conventional embodiment. In the figure, 1...Antenna, 2...Transmitter section, 3...TR section, 4...Receiver section, 6...Video signal processing section, 7...R/F scope, 8a to 8b
...Loop coupler, 9...Daylay line, 10
...Operation section, 11...Data read section, 12...
D/A converter, 13... is an attenuator. In the drawings, the same or corresponding parts are designated by the same reference numerals.

Claims

[Scope of utility model registration request]

A radar device having functions of searching, detecting, and tracking a target and receiving echoes from the target includes a transmitting and receiving antenna that emits high frequency power pulses to the outside and receives reflected waves from the target, and the high frequency power a transmitter/receiver section that generates pulses, a transmitter/receiver switch section that switches between transmission and reception, a mixer for converting into an intermediate frequency, a receiver section that outputs the output of the mixer as a video signal, and a video signal from the receiver section. a video signal processing section for processing a signal; an R/F scope for projecting the video of the video signal processing section on a scope; a loop coupler for extracting a part of the high frequency power pulse from the transmitter section; and the loop A delay line that delays the high frequency power pulse from the coupler for a certain period of time,
an operating section for an operator to manipulate video amplitude; a data reading section for reading data from the operating section; and a D/A converter for receiving control data from the data reading section and converting it into analog voltage;
It consists of an attenuator for receiving the voltage from the D/A converter and attenuating the high frequency power pulse from the delay line, and extracts a part of the high frequency power pulse from the transmitter section with a loop coupler, By attenuating this through an operator's operation, the operator can freely set the video amplitude desired by the operator and perform minimum reception sensitivity and minimum tracking sensitivity tests.