查询词典 modulation

Also we may design the valve group for the distributor of the motor,like with balancing valve,high-pressured shuttle valve,velocity modulation cross valve or other performance valve groups.

摘要本设计是通过对液压绞车工作原理、工作的环境和工作的特点进行分析，并结合实际，在进行细致观察后，对液压绞车的整体结构进行了设计，对组成的各元件进行了选型、计算和校核。

Simultaneous inverted and non-inverted wavelength conversion based on cross polarization modulation in semiconductor optical amplifier.

基于半导体光放大器交叉偏振调制效应实现正、反相波长变换。

S. pump wavelength and pump power were discussed.Secondly, the spectrum broadening due to the cross phase modulation in DSF was analyzed, and the principle and experimental setup of actively mode-locked Erbium-doped fiber laser was introduced.

第四章对交叉相位调制效应导致频谱展宽的原理进行了分析，介绍了主动锁模掺饵光纤激光器产生锁模脉冲的原理及实验，对基色散位移光纤交叉相位调制的波长转换进行了实验研究。

The modulation of cross section is obviously,the intensity of it is smaller as the circular aperture is bigger and the intensity is bigger as the circular aperture is smaller.

平顶高斯光束经过圆孔衍射，孔径大时光强在横截面调制越厉害，但是强度小；孔径小时光强在横截面调制相对小，但是光强度相对大。

In order to acquire the largest extinction ratio of the converted signal in the cross gain modulation wavelength conversion, the signal wavelength λ pk,s should be longer than the small signal gain peak wavelength of the semiconductor optical amplifier.

增益调制型波长转换中，为得到转换后信号最大的消光比，信号光波长应该比半导体光放大器的小信号增益峰值波长长。

The average linewidth enhancement factor and the component effective linewidth enhancement factor are introduced for the performance analysis of interferometer all optical switches based on cross phase modulation of SOAs.

二、合理地选择和设定全光开关的性能参量是评价全光开关在OTDM解复用子系统中解复用性能的首要任务，本文选择全光开关中SOA平均线宽增强因子和器件有效线宽增强因子分析了基于SOA相位调制效应的干涉仪全光开关的性能。

Unlike typical electric actuators, Beck damper drives and valve actuators are capable of continuous modulation and precision control without thermal duty-cycle or motor burnout concerns.

与典型的电动执行器不同，Beck阻尼器和阀门执行器能够连续调制和精度控制。

The products shows professional GPS navigator, GPS burglarproof without monthly rent, Bluetooth hand free phone, move backward image systematic area lead line; make a dash across the red light prewarning, MP3/MP4 amusement audio-visual broadcast, FM voice frequency modulation launch function and etc.

感谢您选用本公司生产的搜虎汽车智能助理。本产品具有专业GPS导航，无月租型GPS防盗，蓝牙免提电话，倒车影像系统带引导线，超速闯红灯预警，MP3/MP4娱乐影音播放，FM声音调频发射等功能。

A novel method of double delta modulation for current tracing control.

新型双重D调制电流跟踪控制方法的研究。

Rayleigh-Taylor instability ; single point diamond turning ; modulation target ; inertial confinement fusion

Rayleigh-Taylor不稳定性；单点金刚石切削；调制靶；惯性约束聚变

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。