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1·By using moving one period sine wave model, the precise demodulation of PM signal wave is achieved.

通过使用一个周期的正弦波曲线模型的滑动拟合法，实现了正弦载波相位调制信号波形的精确解调。

2·This demodulation system also has serial port, parallel port, JTAG port, and can display signal wave in LCD.

本解调系统还拥有串口、并口等通信接口以及JTAG调试接口。自带lcd，可以动态显示解调后的信号波形。

3·Tested vibration signal wave form analysis, speed spectrum matrix analysis, and shaft centerline orbit analysis are made.

测得了机组的振动量值，对测得的振动信号进行了波形分析、转速谱阵分析及轴心运动轨迹分析。

4·The circuit designed in the thesis could output comparatively flat signal wave, and amply signals with bandwidth of high to 40m.

本文实现的电路板可对带宽达40m的信号进行平稳的放大并输出较平坦的信号波形。

5·This paper introduces hardware composition and software design of recording location of signal wave crest with single chip computer.

介绍用单片机记录信号波峰位置方法的硬件组成和软件设计。

6·Direct digital synthesizer (DDS) is a kind of new frequency synthesizer technique. With it signal parameter can be switched into signal wave.

直接数字式频率合成(DDS)作为一种新的频率合成技术，它可以实现从信号参数到信号波形的转换。

7·It can measure not only the sine wave, square wave, triangle wave, a sharp pulse but also can measure other characteristics of the signal wave.

它不仅可以测量正弦波、方波、三角波、尖脉冲信号和其他具有周期特性的信号的频率，而且还可以测量它们的周期。

8·This system consisted of signal perceiving transformation part, signal wave filtration and magnification part, signal collection and analysis part.

该系统由次声信号的感应变换，信号滤波及放大，信号的采集及信号分析显示等一部分组成。

9·The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.

分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。

10·By dynamical collecting respirators gas press signal on line and drawing gas press signal wave, this system can measure respirators press values and analyze presss stability.

利用数据采集技术实时在线采集了呼吸机压力的动态变化量，并且将变化量绘制成波形图。