JPS62140474U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the target detection method of the present invention, and FIG. 2 is an explanatory diagram of map information. 1... Map information input means, 2... Map information storage means, 3... Received signal storage means, 4... Signal selection means, 5
...CFAR processing means.

Claims (1)

[Scope of utility model registration request] The radar received signal quantized output is divided into distances corresponding to the radar transmission pulse width in the distance direction.
In the azimuth direction, there is a received signal storage means for storing each unit area divided by the angle at which the antenna rotates during one radar pulse repetition period; and map information for inputting map information of land existing within the radar search area. input means; map information storage means for storing the input map information; receiving a map information signal from the map information storage means and a radar reception signal from the received signal storage means; Signal selection means for selectively outputting only radar reception signals whose positions are outside the land indicated by the map information signal; CFAR processing means for performing false alarm rate control on the output signals from the signal selection means; A target detection method characterized by comprising;