(1) The strongest return signal came from clouds.

(2) The feasibility of simulating the target return signal is demonstrated in theory.

(3) In this paper the radar return signal features for forming short— time dangerous wind are approached. A method of recognition and for— ccasting of radar for short—time dangerous wind is examined.

(4) An inverse filter for return signal to restore target signature and a restraining image sidelobe method used matched filter are provided.

(5) An ocean Return Signal Simulator (RSS) and the principles of the RSS with its means of testing and calibrating for a satellite altimeter were given.

(6) Also it is more difficult to provide interactive services because the trunk lines become cluttered with return signals from each branch.

(7) In this paper(), a ground penetrating radar(GPR)with equivalent-time sampling is designed by analyzing the return signal od the radar.

(8) These features are of great importance to the simulation of helicopter's radar return signal and the detection and recognition of helicopter target.

(9) The multitone digital synthesizer is employed to simulate the spectra of ocean return signal.

(10) Drew the conclusion of that there exists the correlativity between the self-dithering interference and its radar return signal.

(11) In order to improve the detecting ability and detection probability of the laser ranger, the Signal Noise Ratio(SNR) of the return signal is to be increased.

(12) In the subsystem of the receiver, to get I Q two-channel digital signal, return signal was perpendicular sampled at Intermediate frequency.

(13) In cloudless weather, the boundary values of extinction is calculated by fitting Lidar return signal.

(14) Based on measurement in dynamic flying experiment, the radar return signal of helicopter rotary blades was investigated in the time domain, frequency domain and time-frequency domain respectively.

(15) Drew the conclusion of that there exists the adding relation between the radar return signal of the self-dithering interference and the detecting signal.

(16) In the algorithm, the boundary value of extinction is calculated by fitting Lidar return signal in cloudless weather.

(17) Constructed the mathematical model between the self-dithering interference and its radar return signal.

(18) A new method in which Doppler processing was done before the pulse compression was put forward basing on the characteristics of the ultra-high speed moving target's return signal.

(19) Because the radar performance is affected by the radar return signal form the land and sea surface, radar engineers have focused on the research on clutter's modeling and simulation.

(20) The UWB radar return model is established and the return signal is simulated.