Radiodetermination spectrum utilization/conservation

An extensive measurement, model validation, receiver simulation, and analytical investigation have been conducted to assess the degree of band congestion in the 2700-2900 MHz band with a view to more efficient utilization/conservation of this band. It is shown that the use of klystrons and diplex filters in the waveguide will result in lower transmitter emission spectrum skirts and, consequently, in more efficient spectrum utilization. It is also shown that all pulsed radars which have a low duty cycle permit the use of signal processing techniques in the radars and postprocessors to obtain more efficient spectrum utilization. With properly designed signal processing techniques, the suppression of asynchronous interference in low duty cycle radars will have minimal effects on target azimuth shift, angular resolution, and desired signal sensitivity.