When a PLL is fixed on one of a large number of frequencies developed at a Doppler channel 'S', the frequency is selected and maintained in a range channel 'T2U2 . These frequencies generate radar echoes from a large number of targets, signal echoes returned through a number of paths ...
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A doppler control circuit for a CW or pulse Doppler Radar system for monitoring not only the phase shift between echo signals from several targets but also the amplitude difference between the several targets and to further provide a phase lock loop which tunes the radar to a particular target ...
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The equipment can be provided for systems operating over a number of distance ranges between the transmitter and reflector, e.g., up to 10 m, 50 m or 100 m. For cranes operating on long travel rails mounted above each other, the radar system requires a number of transmitter receivers angl...
Radius of the cluster visibility region, RC [m] 10 5 Radius of cluster transition region, TC [m] 2 0.5 Number of MPCs per cluster, NMPC 31 1000 Cluster power decay factor, kτ [dB/μs] 43 31 Cluster cut-off delay, τB [μs] 0.91 0.25 Cluster shadowing, σS [dB] 7.6 2.7 Cl...
loading.Harmonic distortionmay actually be worse at points remote from the non-linear load because of resonances in the network components. Not only must non-linear harmonic currents be limited but equipment should be capable of operating with up to 10%total harmonic distortionin the supply ...
A pulsed Doppler radar device with variable repetition frequency, having at least one range channel operatively connectable at the pulse rate of the pulse repetition frequency, a doppler filter which
Doppler compensation in forward-looking STAP radar For air- and spaceborne MTI radar the clutter Doppler frequency depends on range for all array geometries other than linear sidelooking. This applies parti... O Kreyenkamp,R Klemm - 《Iee Proceedings Radar Sonar & Navigation》...