Simulation for television signal and analysis for its ambiguity function

The passive bistatic (multistatic) detection system based on television signal is a primary style of extraneous radiator detection. But, it is hard to find a proper means of expression as the randomicity and complexity of television picture signal. On the basis of analysis and colligation for the characteristics of television signal, a simulated black-and-white whole television signal is produced using the rectangular signals with different amplitude, duration, frequency and phase in the paper. After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals. The signal ensures the variety of television picture signal as well as the correlatability of the signals in adjacent line periods. In view of comparison with the analysis for the ambiguity function and resolution of the simulated signal and real picture signal, the results basically accord with the theoretical analysis for the simulated signal. Thus, it allows the study of extraneous radiator detection based on television signal to take an important step forward to its actual application.