JPH03128875U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a diagram showing an embodiment of this invention, Fig. 3 is a timing diagram showing the status of each signal transmitted and received in this invention, and Fig. 4 is a diagram showing an embodiment of this invention. The figure is a configuration diagram of a conventional radar device.
The figure is a timing diagram in a conventional radar device. In the figure, 1 is an antenna for transmitting and receiving, 2 is a TR unit, 3 is a transmitting and receiving module, 4 is an exciter, 5 is a receiver, 6 is a MIX, 7 is a LOC, 8 is a receiver, 9 is a signal processing unit, and 10 is an abnormality wave processing section,
11 is an antenna for abnormal waves, 12 is a received signal amplification section, 13 is a switching control signal, 14 is an output of the received signal amplification section, 15 is a distance signal, 16 is a control signal, 17 is a normal reflected wave calculation section, 18 is an abnormal wave 19 is a comparison unit, 20 is a switching unit, 21 is a received input signal, 22
23 is a switching unit output signal, 23 is a transmission/reception signal, 24 is a transmission pulse, 25 is a transmission/reception switching signal, 26 is a received actual video, 27 is a normal reflected wave, 28 is an abnormal wave, 29
is a tracking video, 30 is a tracking video for an abnormal wave, 31 is a tracking video for a normal reflected wave, 32 is a pre-acquisition gate, 33 is a post-acquisition gate, 34 is a pre-tracking gate, 35 is a post-tracking gate, 36 is a receiver output , 37 is a receiver output for abnormal waves, 38 is a receiver output for normal reflected waves, 39 is a tracking impossible state, 40 is a tracking video output, 41 is an actual tracking video output, 42 is an imaginary video output, 43 is a tracking pause 44 is the output of the normal reflected wave calculation section, 45 is the output of the abnormal wave calculation section, and 46 is the transmission/reception module control signal. In the drawings, the same or corresponding parts are denoted by the same reference numerals.

Claims (1)

[Scope of utility model registration request] In a radar device that has the function of searching, detecting, and tracking a target, and also receives echoes from the target, an antenna for transmitting and receiving is used to radiate transmitting and receiving radio waves to the outside and receive reflected waves and abnormal waves from the target; a transmitting/receiving module that generates high frequency pulse power, amplifies received radio waves, and has a pulse power supply section necessary for generating the high frequency pulse power; a received radio wave input from the antenna; and a transmitting/receiving module output from the transmitting/receiving module. a transmission/reception switching unit that switches transmission radio waves, an exciter that generates high-frequency pulses for generating transmission radio waves, a receiver that processes the waveform of the reception radio waves, and a frequency conversion mixer that converts the frequency of the reception radio waves to an intermediate frequency; a local signal generation unit that generates a local signal for converting the received radio wave to an intermediate frequency; a receiver that amplifies the output of the frequency conversion mixer and then outputs it as a video signal; and a search unit that receives the output of the receiver; A signal processing unit that performs signal processing for detection and tracking, and a normal reflected wave calculation unit and abnormality that determine whether the received radio waves output from the transmission/reception switching unit include normal reflected waves or abnormal waves. A radar device comprising an abnormal wave processing section including a wave calculation section.