modulation ratio的例句大全

With voltage modulation ratio debasing, output harmonic component is added;

随着电压调制比的降低，输出谐波成分增加；

dft method of detecting am signal with low modulation ratio

低调制度AM信号的DFT检测方法

Calculation of Cross Modulation Ratio of CATV System

CATV大系统交调比的计算

an improved estimation algorithm of minimum entropy doppler frequency modulation ratio in sar image

SAR成像中一种改进的最小熵多普勒调频率估计算法

The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time variant modulation ratio method is proposed.

在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。

This paper presents a detailed analysis to the physical meaning and calculation formula for the main parameters of nonlinear distortions in amplifier: cross modulation ratio, 2nd order cross modulation ration and 3rd order cross modulation ratio.

本文详细地分析了放大器非线性失真的主要参数&交扰调制比，二阶、三阶载波互调比的物理意义和计算公式，并由此推导出电缆电视系统的设计方法。

The mathematical model of SHE single bipolar pulse control is established and the relationship between different modulation ratio and switching angles to eliminate the 5th and 7th harmonics is presented.

建立了特定谐波消除单、双极性脉冲控制方式的数学模型，给出了消除5次、7次谐波的不同调制比与开关角的关系。

The Theoretical Basis of the Application of the Syzygial Tide to the Prediction Methods of Modulation Model and Modulation Ratio

调制模式、调制比预报方法应用朔望潮的理论依据

Through the experimental test on integration of modulation circuit and demodulation circuit, it indicates that there is high signal-to-noise ratio in the system.

通过对调制驱动电路和接收解调电路组成的激光通信链路的实验测试，表明所设计的光端机具有良好的信噪比。

The relations between duty ratio ( D) and average current ( I) is discussed, and it analyzes the flow characteristic curve of electronic-hydraulic proportional valve based on PWM ( Pulse Width Modulation) control technology.

分析了占空比D与平均电流I之间的关系，并对一基于PWM控制的电液比例阀的流量特性曲线进行了分析。

finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in spwm.

文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。

qpsk modulation mode of hamming encoding different signal to noise ratio in the quality of communication.

分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。

The ratio of the limiter resistors determines the output amplitude and the modulation index.

限制电阻的比率决定了输出振幅和调制指数.

Keywords: modulation, extinction ratio , silicon micromachined, Fabry-Perot, light switch, modulator.

关键词: 调制,对比, 矽微加工, 法布里 - 珀罗, 光开关, 调制器.

Usually it was thought the molecular concentration was in direct ratio of the absolute value of discharge current for concentration modulation technique& twice the discharge frequency f.

浓度调制通常被认为是瞬态分子的浓度正比于放电电流幅度的绝对值，即为放电频率f的2倍。

Response/ stimulus ratio and response time were used as characteristic parameters. ( 2) Based on the learning model, we studied the modulation of ionotropic glutamate receptors on temporal-spatial encoding and energy distribution of response activities in the neuronal network during learning.

基于本文的学习模型，研究了离子型谷氨酸受体对培养的海马神经元网络在学习过程中发生的响应活动的时空信息编码和能量分布的调控作用。

Study of countermeasures to deceptive jamming using random linear modulation frequency ratio SAR

随机线性调频斜率SAR抗欺骗干扰方法研究

Modulation Characteristics Analysis of Asymmetric Fabry-Perot Cavity and GaAs/ AlGaAs Modulator With High Contrast Ratio

非对称法布里－伯罗腔光调制特性分析及高对比度GaAs／AlGaAs调制器

Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.

一定的传输距离和发射光功率情况下，不同的子载波数存在一个最佳的光调制指数，使得系统载噪比最大；

The spectral analysis is given to experimental waveform get by SVPWM modulation technology. The effect which carrier ratio and other factors take to harmonic is introduced.

并对采用SVPWM调制技术得到的实验波形进行了频谱分析，给出了载波比因素等对谐波的影响。