用AT89C51单片机定时/计数器0的定时功能可构成一简单的方波发生器，实现周期为2s的方波，并能在虚拟示波器上直观地显示波形。-AT89C51 microcontroller with a timer/counter 0 timing functions may constitute a simple square wave generator, to achieve a period of 2s of the square wave, and can be visually displaye

产生波形的一点代码，通过按键控制，在虚拟示波器切换显示方波、正弦波、三角波、锯齿波-Point waveform generated code, by button control switch in the virtual oscilloscope display a square wave, sine wave, triangle wave, sawtooth

该程序利用89c51单片机和lcd液晶显示实现简易的数字示波器，可以显示输入的方波、正弦等信号。-The program using 89 c51 and LCD liquid crystal display a simple digital oscilloscope, can display the input square wave and sine signal.

FMCW frequency modulated continuous wave radar range and angular measurements, Suppressed carrier type differential phase modulation, Virtual power wireless sensor network coverage.