利用模拟信号对能量法进行验证，主要求解振幅值，能量值，频率包络值-Analog signal on the energy method used to verify, mainly to solve the amplitude value, energy value, the value of the frequency envelope

一个开发电梯模型用的小程序,基于AT89S51单片机,可以实现根据按键要求,电梯有厢体在不同的楼层停止.可以做为教学实验之用,程序已经测试过,楼层检测使用红外对管.电机使用三相步进电机.驱动使用LM298.-A development model with a small lift procedure, based on AT89S51 microcontroller, can be achieved under the key requirements of the lift with env

voice) is the target signal and the second one (woman s voice) is the interfering speaker. To contrast the effects of an interference speaker (non-stationary noise) with a white noise inference (stationary noise/constant power) a white nois

汇编语言编写的89C51专用信封打印机控制程序，早已商业应用多年。-89C51 assembly language dedicated envelope printer control program, has long been commercial for many years.