Extinction ratio is ratio of logic "1" average optical power to logic "0" average optical power under the worst reflection and complete modulation condition.
消光比是指在最坏反射条件时，全调制条件下，逻辑“1”平均光功率与逻辑“0”平均光功率的比值。
Based on given electric current and Pulse Width Modulation (PWM) controlling system, the feedback process under each braking condition is studied.
以电流给定，脉宽调制(PWM)调压调速系统为例，研究各种制动状态下的能量回馈过程。
The optimal operating condition of gain switched semiconductor laser with different modulation rate is studied in this paper.
研究了不同调制速率下的增益开关半导体激光器的最佳工作状态。
The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.
分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。
The measurement error is found to decrease with the increase of the modulation current and this relation is applied to finding the optimum experimental condition for the short distance measurement.
分析测量误差与调制电流大小的关系，进而确定短距离测距的最佳实验条件。
And the non-inverted conversion is obtained by large filter detuning, which is used to extract the frequency chirps, and in this condition the cross phase modulation (XPM) is dominant.
当滤波器失谐量较大时，得到同相波长转换结果，此时交叉相位调制(XPM)占主导作用，而滤波器起到提取啁啾信息的作用。
The frequency, correlation that outputs relation of n, modulation to wait set condition can store at most 100 group, OK call by need.
频率、输出电平、调制关系等的联系关系设定状况最多能存储100组、能够按需要挪用。
Explained with emphasis USES the BPTS series frequency changer to the engine bed main axle velocity modulation plan transformation, finally has produced the engine bed movement performance condition.
重点说明了利用BPTS系列变频器对机床主轴的调速方案改造，最后给出了机床运行的性能状况。
According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。
This method provides the reference for testing and debugging IF receiver, and ends the condition that only performance determination and simple checking can be executed in TT&C modulation.
该方法对检验中频接收机的工作性能及调试有着指导意义，结束了遥测解调性能只能定性、粗略检查的现状，为主战设备选取提供了理论依据。
By analyzing the current ripple of the filter inductor on the condition that the phase shift is different, the reduced value of the current ripple with the interleaving modulation strategy can be got.
通过分析变换器在不同开关相角下滤波电感电流脉动的大小，得出了在同样的电流脉动要求下，采用交错开关方式与采用传统开关方式相比，滤波电感可减小的幅度。
By analyzing the current ripple of the filter inductor on the condition that the phase shift is different, the reduced value of the current ripple with the interleaving modulation strategy can be got.
通过分析变换器在不同开关相角下滤波电感电流脉动的大小，得出了在同样的电流脉动要求下，采用交错开关方式与采用传统开关方式相比，滤波电感可减小的幅度。
应用推荐