examination
共 25 篇文章
examination 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 25 篇文章，持续更新中。
Abstract-The effect of the companding process on QAM signals has been under investigation for the p
Abstract-The effect of the companding process on QAM signals
has been under investigation for the past several years. The
compander, included in the PCM telephone network to improve
voice performan
The fluid editor is a prototype source code editor supporting a "bring from" exploration model.With
The fluid editor is a prototype source code editor supporting a "bring from" exploration model.With the fluid editor programmers can avoid explicit navigation between source documents by incorporating
基于PIC单片机的脉冲电源
<P>基于PIC单片机的脉冲电源:设计了一种金属凝固过程用脉冲电源。该电源采用PIC16F877作为主控芯片，实现对窄脉冲电流幅值的检测，以及时电流脉冲幅值根据模糊PID算法进行闲环控制。使用结果表明：该电源的输出脉冲波形良好，电流幅值稳定，满足合金材料凝固过程的工艺要求且运行稳定可靠。<BR>关键词：脉冲电源；PIC16F877单片机；模糊PID；闲环控制</P>
<P>Abstract：A k
DTMF检测程序
·详细说明：DTMF检测程序。定点计算，可移植到DSP上。 Usage: dtmf filename -DTMF examination procedure. The fixed point calculation, may transplant to DSP on. Usage: Dtmf filename 文件列表: alaw.cpp alaw.h &n
Goertzel算法是DTMF信号检测的核心
·详细说明：Goertzel算法是DTMF信号检测的核心，它利用二极点的IIR滤波器计算离散傅立叶变换值，快速有效的提取输入信号的频谱信息。-Goertzel algorithm is the DTMF signal examination core, it uses two extremes the IIR filter computations to be separated Fourier