Radar apparatus for realizing a radio map of a site

Details Radar apparatus for realizing a radio map of a site Radar apparatus for realizing a radio map of a site

1988-11-15

1990-03-27

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

With recording

G01S 1390

Patent

active

049124749

ABSTRACT:
The sensor (1), of the FM-CW type, comprises a transceiver aerial (2) which is rigidly attached to the support of the sensor and is of the frequency scanned beam steering type. The sensor radiates a frequency F of several GHz according to a sawtooth pattern which is nearly linear, generates a beat signal (F.sub.b) between a transmitted wave and a received wave an comprises an analog processing circuit (17) for the signal F.sub.b, digitizing means for F.sub.b (22), memories for time-division samples (28) and frequency-division samples (33), and digital processing means (31) transforming sequences (SU) of time-division samples into sequences (SV) of frequency-division samples. The order number of each sequence is representative of a strip of pixels of the map and the order number of a sample in a sequence is representative of a distance of a pixel on the map.

REFERENCES:
patent: 4355311 (1982-10-01), Jain
patent: 4562439 (1985-12-01), Peralta et al.
patent: 4568938 (1986-02-01), Ubriaco
patent: 4620192 (1986-10-01), Collins
patent: 4633253 (1986-12-01), Stove et al.
patent: 4766436 (1988-08-01), Crepin et al.

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