phase modulation的例句大全

The detection technique of phase generated carrier ( PGC ) demodulation method with laser frequency modulation is introduced.

概述了干涉型光纤水听器直接调制光源的相位生成载波 ( PGC ) 解调技术.

A method of phase modulation in which the two significant conditions differ in phase by radians.

两个主要状态在相位上差π弧度的一种相位调制方法.

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前，全光波长转换器的研究主要集中在二进制振幅键控（OOK）和差分移相键控（DPSK）信号调制格式，对于偏振移位键控（PolSK）信号调制格式全光波长转换的研究很少。

Punctured convolutional coding with an 8, 16 and 32 differential amplitude and phase shift keying ( DAPSK) modulation is considered.

研究带删除卷积码的8、16、32差分幅/相移键控（DAPSK）调制。

Double Baseband Processing Offset Quadrature Phase Shift Keying Modulation Technique

两次基带处理&偏移正交相移键控调制技术

Based on the discussion on LFM signal, this paper studies several jamming methods and presents the simulation experiments, including: directed noise amplify jamming, phase modulation jamming, time-delayed jamming, frequency-shift jamming, etc.

在分析线性调频（LFM）信号的基础上，研究了多种基于DRFM的雷达干扰技术，仿真验证了干扰效果，包括：射频噪声干扰、噪声调相干扰、延时干扰和移频干扰等。

First thethe phase modulation and the LUT value was measured the linear LUT curve.

研究了液晶波前校正器位相调制曲线非线性的校正以及液晶自适应闭环对畸变波前的校正.

Supermode depression was realized by introducing additive pulse limiting effect using self phase modulation induced spectral spreading in dispersion shifted fiber and spectral bandpass filtering simultaneously. Supermode noise can be depressed enough when the pump power was 50 mW.

利用自相位调制+频谱滤波抑制超模噪音，实验中当抽运功率在50mW以上时就足可以抑制超模噪音。

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.

A novel high sensitive laser spectroscopy technique,-frequency phase modulation-cavity enhanced modulation transfer spectroscopy, is presented.

提出了一种新的高灵敏激光光谱技术激光 双 频相位调制环形腔增强调制转移光谱技术.

Pseudorandom code phase modulation CW fuze and performances analysis of counter reconnaissance Investigation decision is a choice or decision made by the scouter after analyzing the case.

伪码调相连续波引信及其抗侦察性能分析侦察决策是侦察者通过对案件进行分析后作出的侦察选择或者决定。

Threephase AC voltage regulation based on phase width modulation and on dual CPU scheme and circuit realization

利用双CPU方式的PWM消谐三相交流调压及电路实现

Application of Continuous Phase Modulation and Demodulation in the High Speed Frequency-hopping System

连续相位调制及其解调在高速跳频系统中的应用

Study of Space Vector Modulation for Three Phase Current Rectifier

三相电流型整流器的空间矢量调制技术研究

NOVELTY-The system has a pulse width modulation ( PWM) converter module converting three phase alternating current ( AC) power outputted from a generator module to a direct current ( DC) power.

新颖性–该系统具有一个脉宽调制（PWM）转换器模块，将发电模块输出的三相交流（AC）电源转换成直流（DC）电源。

Novel Power Factor Control Method for Three Phase Pulse Width Modulation Current Source Rectifier

三相电流型脉宽调制整流器的功率因数控制新方法

Study of phase switching modulation for chaos control

相位开关调制控制混沌研究

Weaver modulation and IWA demodulation are selected to realize the SSB module, so that the carrier phase deviation can be avoided. With the adoption of multi-item filtering structure and multi-level technology in the sample rate conversion, the amount of computing and storage requirements is greatly reduced.

单边带调制解调模块采用weaver调制与IWA解调，避免了载波相位偏差的影响；采样率转换采用多相结构和多级技术，大大降低了DSP的运算量和存储要求。

MPSK ( Multiple Phase Shift Keying) modulation and demodulation system is simple, mature and widely used in aerospace TT& C area.

MPSK（多进制相移键控）调制解调系统实现起来简单、成熟，广泛应用于航天测控系统中。

In this pager, the self-phase modulation effect in gain saturated semiconductor optical amplifier and its affect on the shape, phase and spectrum of transmission pulse are analyzed.

本文分析了半导体激光放大器处于增益饱和状态下的自相位调制（SPM）效应，以及SPM效应对传输脉冲波形、相位及频谱的影响。