相位调制

Throuth computer simulation, we have numerically investigated the effect of pulse walkoff on optical pulse compression based on cross phase modulation in the normal dispersion regime of single mode fibers.

通过数值模拟，分析了脉冲离散效应对单模光纤正群速色散区基于暗孤子交叉相位调制的脉冲压缩的影响，并提出了减轻这种影响的办法。

The phase of interference signal is modulated in time domain by sinusoidally changing the injection current of a laser diode. This results in a quasi-heterodyne measurement mode, which increases the measurement accuracy of optical path difference.

通过正弦地改变半导体激光器的注入电流在时域内实现对干涉信号的相位调制，形成准外差干涉测量模式，提高了光程差的测量精度。

Finally, the system of full-duplex ROF based on phase modulation is simulated and transmission performance of it is analyzed.

最后仿真并对基于相位调制的全双工光纤无线系统的传输性能进行分析。

A method is presented based on tangent relationship and phase modulation technique for dynamic small angle measurement.

提出一种基于正切关系和相位调制技术的动态小角度测量方法。

Based on these problems, this paper thoroughly studies the phase modulation formats.

本文围绕此问题，对相位调制格式展开深入研究。

The theory model of phase modulation is illustrated, with the according formulae in details.

研究了LiTaO3相位调制器的理论模型，并给出了相应的计算公式。

This is a continuous phase modulation procedure, before demodulation using a coherent demodulation, and I hope to help learning.

这是一个连续相位调制的程序，解调才用的是相干解调，希望对学习有帮助。

Chapter 2 treats the design of digital phase modulation system in frequency hopping mode communication.

第二章说明了跳频传输模式下数字相位调制系统的设计。

Continuous Phase Modulation is widely used in wireless communications especially in military communications due to its high power and bandwidth efficiency.

连续相位调制以其较高的功率有效性和带宽利用率，在无线通信领域尤其是军事通信领域得到广泛应用。

Therefore, the phase modulation formats are very suitable for the upgrade of the transmission systems.

故相位调制格式成为系统升级首选的传输技术。

I think he's learned how to approach hitters....

Johhny Damon说，『他已是最好的了，再没有人能够比他做的更好，我想他的球技已经完全成熟了，而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上，一个18尺眼镜蛇王其实可以俯视到的平均人。