Aiming at the application of passive trackinn based on sensor array, a new passive trackinn usinn sensor array based on particle filter was proposed. Firstly, the“fake points\" could be almost entirely and exactly deleted with the aids of the sen

LCD 工作原理。液晶显示的原理是液晶在不同电压的作用下会呈现不同的光特性.液晶在物理上分成两大类,一类是无源Passive的(也称被动式),这类液晶本身不发光,需要外部提供光源,根据光源位置,又可以分为反射式和透射式两种