定时器记数溢出后，产生中断，将P 1.0借口取反即得周期方波。
Hutchison few overflow timer, interrupt, will take anti-P1.0 pretext that a square wave cycle.
在此基础上，对应用神经元实现含噪周期方波脉冲信号检测的最优条件和最优特性进行了分析。
On this basis, neuron is used to detect noisy periodic rectangular pulse trains. The conditions and the properties of optimal detection are analyzed.
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
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