US Patent 7432850 Wideband radar

The invention refers to a method and device for wideband radar, the method comprising: —generating a wideband signal (1, 6) with a bandwidth B; —copying the wideband signal (1, 6); —transmitting the wideband signal (6′); —receiving a returned echo signal (11) from the transmitted signal (6′); —dividing the copied signal into a number, Nf, of subsequent frequency bands b; —manipulating the copied and divided signal into an anticipated signal (10) by adding a number Nd of anticipated delays and a number of ND Doppler stretches to the copied and divided signal for each Nf subsequent frequency band b; —dividing the received signal (17) into a number, Nf, of subsequent frequency bands b; —correlating corresponding frequency bands in the divided received signal (17) and the anticipated signal (10) giving NdND correlated signals (19) for determining range (R) to a target and velocity (v) of the target.