System parameter design and simulation method of multi-mode microwave remote sensor wavelength dispersive spectrometer mode

The invention discloses a multi-mode microwave remote sensor wavelength dispersive spectrometer mode system parameter design and simulation method and belongs to the technical field of microwave remote sensor measurement. The method comprises steps of obtaining wavelength dispersive spectrometer mode technical indexes and known system parameters; determining an incident angle, a beam width and an antenna rotation speed; calculating pulse repetition frequency; calculating and determining a signal emission bandwidth B; calculating the number Ng and avg of units for averaging the distance direction; determining the number of independent pulses; determining an azimuth antenna size and a range antenna size according to the azimuth beam width and the range beam width; determining the maximum scanning radius of the wavelength dispersive spectrometer; determining the beam footprint width in the azimuth direction and the range direction; calculating peak transmitting power Pt by using a radar equation; verifying measu