JPH03114078U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a diagram showing an embodiment of this invention, and Fig. 2 is a diagram used to show a conventional embodiment. Reference signal, D... Beam scanning angle signal, H...
Beam width signal, 1...Doppler generator, 2...
Mixer section, 3... Delay circuit section, 4... Pulse modulation section, 5... First calculation section, 6... Second calculation section, 7... First control section, 8... Variable attenuation section ,9...
...Third calculation section, 10...Second control section, 11...
...Switch part, 12...First antenna part, 14
...This is a pseudo target signal. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] In a device that generates a pseudo-reflection signal when radio waves transmitted from a phased array radar to a target are reflected from the target, the speed, distance, and distance of the pseudo target are In order to give the pseudo target signal a motion according to the beam scanning angle and beam width, a speed information signal, a distance information signal, a beam scanning angle signal, a beam width signal, and a reference signal are input as pseudo target information from an external device. , a Doppler generator that receives the speed information signal and generates a Doppler signal as a pseudo target signal; a mixer unit that receives the reference signal and connects to the output end of the Doppler generator; and a mixer that receives the distance information signal and generates a pseudo target signal. a delay circuit section that determines the delay time of the mixer section, a pulse modulation section that performs pulse modulation connected to the output end of the mixer section and the output end of the delay circuit section, and a pulse modulation section that receives the beam scanning angle signal and determines the delay time of the beam scanning angle. a first calculation section that determines the output level of the pseudo target signal; a second calculation section that receives the beam width signal and determines the output level of the pseudo target signal according to the beam width; and the first calculation section. a first control section that is connected to the output terminal of the section and the output terminal of the second calculation section and controls the output level of the pseudo target signal; and an output terminal of the pulse modulation section and the output terminal of the first control section. In a phased array radar test equipment consisting of a variable attenuation section that changes the output level of the connected pseudo target signal, and a second antenna section that is connected to the output end of the variable attenuation section and transmits the pseudo target signal, external equipment a third calculation unit that receives a beam scanning angle signal from the beam scanning angle signal and determines the position of the pseudo target; a second control unit that is connected to the output terminal of the third calculation unit and controls the position of the pseudo target;
A switch section connected to the output end of the second control section and opening/closing a switch for guiding the pseudo target signal to the antenna corresponding to the position of the pseudo target, and an output end of the switch section and an output end of the variable attenuation section. A phased array radar test device characterized in that a first antenna part for transmitting a pseudo target signal is connected from an antenna corresponding to a position of a connected pseudo target.