A new method is proposed to detect the edge through modulating scanning laser beam and picking up the phase reversal of the detection signal as the edge signal.
讨论了一种新的边缘检测方法，即对扫描激光束进行调制，并利用调制信号的相位突变提取边缘信号。
The softwares of the current reversal chronopotentiometry and the linear current scanning chronopotentiometry (LCSC) were designed in BASIC and 6502 Assembly Languages.
编制了换向阶跃及线性扫描计时电位法相应的电流发生、数据采集和数据处理软件；
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