This paper introduces the basic principles of the two modulations, and then discusses their advantages for the application in power line communication.
文中介绍了两种调制技术的基本原理，分析了其在电力线通信中应用的优越性。
Lab tests show that the software can display and process the output images in real-time. The calculated modulations are accurate and the software operates stably.
实验室测试表明，该软件能实时显示输出图像并进行相应的处理，调制度计算结果准确，软件运行稳定。
It showed that there were changes in the dynamics of HRV and the modulations of cardiovascular system.
说明HRV的动力学特征有改变，心血管系统的调节功能有改变。
The bit error rate of three modulations in a fast fading channel with cochannel interference is evaluated.
分析了这三种调制方式的抗衰落及抗同道干扰的误比特率性能。
The stakeholders, interest conflicts and modulations of stakeholders in domestic urbanization construction are systematically researched.
对城市建设中的利益相关者、利益冲突、利益调整进行了较系统的研究。
Furthermore, the effect of aperture parameters on the diffraction characteristics of laser beams with amplitude modulations is also analyzed.
另外讨论了锯齿光阑参数对有振幅调制光束衍射特性的影响。
In experimental results, one observes clearly the gradual saturation of simple waves and high frequency modulations on the sawtooth waveform.
在实验结果中，还观察到简单波逐渐饱和的情况以及叠加于锯齿波上的大量高频调制部分。
Much attention is always paid to bandwidth efficiency in transmission, so it has an important meaning to explore in high efficiency modulations.
信息传输的带宽效率一直为人们所关注，对高效调制技术的探索具有重大的现实意义。
This controller integrates pulse width modulation(PWM) and pulse density modulation(PDM) together, and can easily change between the two modulations.
该设计集成了脉冲宽度调制（PWM）和脉冲密度调制（PDM）两种调制方式，并可以在两者间切换。
Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.
当进行高速水下通信时，由于水下信道的频带有限，扩频和MFSK调制方式无法解决高速率信息传输和可利用信道频带窄的矛盾。
On the other hand, though increasing axial compression ratio of column changes the moment redistribution in frame, the effect on ultimate loads and total modulations is insignificant.
另一方面，随轴压比增大，梁柱上弯矩分配虽略有变化，但对整榀框架的极限承载能力和总的弯矩调幅能力影响不大。
Modern FH communication system need transmit a mass of data, traditional modulations are no longer suitable for high-speed data transmitting in FH system due to low spectrum efficiency.
现代跳频系统需要传输大量数据信息，传统调制方式由于频谱利用率低而不适合跳频系统的高速数据传输。
Different shapes of intensity distribution can be gotten by changing the parameters of radius, location, transmittance of amplitude modulations and spatial position, and the coherence length.
通过对振幅调制半径、调制位置、透射率以及空间位置和相干长度参数的改变，可以获得不同形状的光强分布。
The recognition method for analogue modulations has less computational complexity, and the method for digital modulation has flexibility and can be easily extended to the coming modulation types.
本文的模拟调制识别算法具有运算量小的特点，而数字调制识别算法具有较好的扩展性。
The recognition method for analogue modulations has less computational complexity, and the method for digital modulation has flexibility and can be easily extended to the coming modulation types.
本文的模拟调制识别算法具有运算量小的特点，而数字调制识别算法具有较好的扩展性。
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