查询词典 modulated

Polynomial Wigner distribution offsets the disadvantage of WD in that it generates artifacts when processing none-linear modulated signal or multi-component signal. PWD can get FM signal IF direction of arbitrary orders, also fits for multi-component signal.

多项式维格纳分布弥补了WD分析非线性调频信号或者多频率分量信号时容易产生交叉项的缺点，对于任意阶次的调频信号，它都可以得到清晰的IF的走向。

Similar to DFT modulated filter banks, the filter banks have a simple polyphase structure.

类似于DFT调制滤波器组，2M通道交替DFT调制滤波器组具有简单的多相位结构。

High-frequency continuous modulation on the high-power semiconductor laser is required in our ladar system. The theory and driving methods of the semiconductor laser is summarized in this article. Two kinds of driving circuit including linear power amplifier and resonance power amplifier are designed for continuous and quasi continuous modulated laser.

针对研制的无扫描激光雷达系统，需要对大功率半导体激光器进行高频连续调制，本文总结了半导体激光器的原理和驱动方法，并针对连续和准连续调制大功率激光器的特点分别设计了两套驱动电路，包括线性功率放大驱动电路和谐振功率放大驱动电路。

Emergency Position Indication Radio Beacon can emit modulated wireless signals when ships are in trouble.

船用紧急无线电示位标是在船舶遇险情况下发射编码信息的无线电求救信标，本文采用软件无线电技术设计的中频数字接收机就是用于该设备的日常检测和维护。

The signal is modulated by rotating the torsion balance to ensure the effectiveness of detection for all possible orientations of the vector potential, and the influences of sidereal disturbances of environment are also removed by virtue of this modulation method.

此后，针对2002年的实验中存在的问题，作者重新设计了新的实验方案和高真空调制实验平台，并于2005年完成了改进的扭秤调制实验。

A silent communications system in which nonaural carriers, in the very low or very high audio-frequency range or in the adjacent ultrasonic frequency spectrum are amplitude- or frequency-modulated with the desired intelligence and propagated acoustically or vibrationally, for inducement into the brain, typically through the use of loudspeakers, earphones, or piezoelectric transducers.

一个沉默的联系是不承载听觉，在非常低或非常高音频范围里，或在邻近的超音速的频谱中，这是广阔的-或带有期望的智能并且传播声学的频率调节或振动，为了刺激大脑内部，典型的是通过利用扬声器，耳机，或压电式换能器。

This article introduces the technology of the soft starter for belt conveyor,and compares the working principles,advantages and disadvantages of velocity modulated hydraulic coupler ,liquid sliminess soft starter,CST,frequency conversion velocity modulation soft starter,silicon-controlled velocity modulation soft starter.

介绍了带式输送机软起动技术现状，比较了调速型液力偶合器、液体粘性软起动、CST，可控硅调压调速、变频调速技术等软起动技术的工作原理及优、缺点，展望了其发展趋势，对带式输送机系统中软起动装置的选用有一定的参考价值。

It is simulated numerically the transmission of beams phase modulated and spectrally dispersed by the unit for smoothing by spectral dispersion put in the laser driver for inertial confinement fusion.

用数值方法研究了激光驱动器系统中使用光谱色散平滑单元后光束的衍射特性。

Using Spectrally Modulated Spectrally Encoded framework, we design the hybrid overlay/underlay waveforms for the cognitive radio and show its performance gain over current cognitive radio systems.

这个名为软决策认知无线电的新方案能够在避免对主用户的干扰的同时，最大化认知无线电用户的传输性能。我们将讨论基于SMSE框架下针对该方案的波形设计和性能估计。

Survival fractions of melanoma B16 cells at different penetrationdepths exposed to 49.30MeV/u 12C ion beam and modulated 74.55MeV/u 12C ion beam with a ridge filter to form a spread-out Bragg peak were measured.

测量了49.30MeV/u及经脊形过滤器展宽的Bragg峰的74.55MeV/u12C离子束在不同贯穿深度上辐射后黑色素瘤B16细胞的存活率。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。