Without going into detail on the differences between the two, it is safe to assume that mt_rand is a faster and better random number generator: echo mt_rand(1,6);.
Radar echo simulator is a kind of signal generator used to debug the subsystems of radar signal reception and processing.
雷达回波模拟器是用来调试雷达接收分系统和信号处理分系统的一种信号发生器。
3
The video signal model for synthetic aperture radar(SAR) is set up, and a method to generate echo signals for SAR using AWG520 arbitrary waveform generator is presented.