modulation phase的例句大全

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

Using MATLAB simulation software, the thesis simulates and analyzes dynamic performance of control system, proving that two-phase modulation method can reduce the switching losses of the power electronic devices.

通过MATLAB仿真软件分别建立了两种控制系统的仿真模型并进行了仿真与分析，从而验证了两相调制控制策略在保证输入电流正弦化、母线电压稳定的同时可以有效地降低功率器件的开关损耗。

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。

Novel Modulation Method for Direct Power Control of Three-phase PWM Rectifier

三相PWM整流器直接功率控制的新调制方法

A Single-phase Output Asynchronous Modulation Control Circuit

一种单相输出异步调制控制电路

Then uses SVPWM control strategy on the main circuit system, this control method is based on two-phase modulation control strategy with the advantages of high voltage and strong anti-dry performance.

然后，对主电路系统采用智能控制中的SVPWM控制策略，此控制方法是基于两相调制的控制策略，具有电压利用率高的优点，并且具有较强的系统响应性和抗干扰性。

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号，经放大来控制逆变主桥路中可控硅晶闸管的通断，从而实现恒压调速。

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。

The study of chirped-pulse amplification in the gain saturation regime shows that the linear frequency chirp of input pulse tends to suppress the effects of self-phase modulation.

通过对增益饱和状态下自相位调制效应的研究，提出利用入射脉冲的线性频率啁啾抑制自相位调制的影响。

A Joint Transform Correlator Based on Phase Modulation of the Power Spectrum

基于对功率谱进行位相调制的联合变换相关器

-D Space Vector Modulation in Three-Phase Inverter

相位展开问题。应用于三相变换器的三维空间矢量调制

it is shown that the r in free space increases with increasing the phase fluctuation parameter, the intensity modulation parameter and the truncated parameter. but the influence of turbulence on the r also increases with increasing the three parameters.

研究表明，在自由空间中，位相畸变参量、振幅调制参量和光束截断参量越大，R越大，但其R受湍流的影响也会越大。

the dissertation includes an analysis of the influence of phase modulation parameter, group velocity mismatch and the wave-length of incident wave on the waveforms of frequency doubled pulses; shows the influence of the chirp of fundamental wave on shg conversion.

论文分析了相位调制参量，群速度失配量及入射波波长对倍频脉冲波形的影响；研究了基波啁啾对倍频转换的影响。

analysis on phase modulation spectroscopy of resonator fiber optic gyro

谐振式光纤陀螺调相检测分析

design of control circuit of full-bridge-phase-shifting modulation for soft-switching inverter arc welding power source

软开关弧焊逆变电源全桥移相控制电路设计

the single phase h-bridge inverter can generate common-mode voltage due to the sine pulse width modulation(spwm)and vector controller.

采用脉宽调制和矢量控制的单相H桥逆变器会产生共模电压，后者会对逆变器、电机及其相关设备产生危害。

practice of hydraulic generator phase modulation running of the hemianshi hydropower plant

合面狮发电厂水轮发电机调相运行的实践

residual amplitude modulation ( ram) in electro-optical phase modulators ( eom) and its influence on the laser frequency shift of iodine-stabilized 532 nm laser are investigated experimentally.

实验研究了电光相位调制中剩余幅度调制以及它的变化引起的碘稳频532nm光频标的频率漂移。