Title: Synthetic aperture radars including moving target indication

Abstract: There is disclosed a synthetic aperture radar arranged to survey a region from a mobile location. Radar pulses are transmitted in sets, the pulses from each set being transmitted from congruent positions. The returned echoes of the pulses of each set are then compared to substantially remove signals relating to static targets. The signals relating to the doppler shifts of returns from moving targets are processed by a correlator covering a frequency band sufficient to include such signals or further signals indicative of them and produced as a result of the sampling nature of the pulsed radar.

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Inventors: Payne, Robert William (Hillingdon, EN)

Application Number: 495495
Filing Date: 1974-08-07
Publication_date: 1976-08-17
Assignee: EMI Limited (Hayes, EN)
Primary Class(es): 342/25R 342/25B, 342/25D, 342/160
Other Classes:
US Patent Ref:

3388398	Jun, 1968	Kratzer et al.	343/7.
3680103	Jul, 1972	Houser	343/5.
3720950	Mar, 1973	Vehr, Jr.	343/7.
3735400	May, 1973	Sletten et al.	343/5.
3787840	Jan, 1974	Dotson	343/7.
3787851	Jan, 1974	Hughes	343/7.

Other Refs:
Primary Examiner: Wilbur, Maynard R.
Assistant Examiner: Buczinski, S. C.
Attorney: Fleit & Jacobson