查询词典 modulation capability

Consequently, genetic polymorphisms in both nicotine metabolism and dopamine catabolism genes may influence smoking behavior, and interact with each other resulting in risk modulation.

因此，在尼古丁代谢和多巴胺分解中的基因多态性可能会影响吸烟行为，它们的相互作用导致风险的调节。

Use is made of pulse-technique and intensity modulation of a cathode ray tube.

利用脉冲技术和阴极射线管栅极调亮法，可以在示波器上描绘出整套特性曲线，特别是正栅区域的特性。

Astronomer found this energy scope was very important forobserving high energy celestial bodies.Hard X-ray Modulation Telescope astronomy satellite is thefirst astronomy satellite of our country.

天体物理学家注意到，这个能区的高灵敏度巡天观测恰恰是了解天体高能物理过程的关键手段。

We propose that this transient chemokine modulation may help orchestrate local cellularity, thus minimizing competition for space and resources in activated lymphoid tissues.

趋化因子—在正在进行的免疫响应中将自己在淋巴结的生产减半并且阻碍T细胞的进入。这种出乎意料的行为也许增强了淋巴结环境产生最优免疫响应的能力。

Experimental investigation of modulation transfer spectrum of cesium D2 line.

调制转移光谱线型的理论计算。

An enhanced drain current model,along with an improved charge conservation capacitance model,is presented by the improvement of the channel length modulation and the hyperbolic tangent function coefficient based on the Materka model.

在Materka漏电流模型基础上，改进了沟道调制因子和饱和电压系数的建模方式，电容模型采用了改进的电荷守恒模型。

The invention also discloses a chromatic dispersion monitoring system, a modulation device and a monitoring device.

本发明还公开了一种色散监测系统、一种调制装置及监测装置。

The chromatic dispersion performance of the 120Gbit／s ODPASK modulation format is investigated in the single channel system.

研究了单信道系统中120Gbit／s 八进制差分相位幅度调制格式的色散性能。

The basic information consists of luminance information and chrominance difference signals. During the composition into one signal, the chrominance signals can interfere with the luminance. Therefore, the television technique has to adopt appropriate modulation methods to eliminate the interference between luminance and chrominance signals.

基本信息由亮度信息色差信号组成，由于在合成中，色度信号可能会干扰亮度信号，因此，还要采用适当方法消除色度信号和亮度信号之间的干扰。

Later, it makes some comparison with four kinds of modulation technique, and finally, it implements the three-level PWM switching power amplifier with the PWM technique. The power of the amplifier is 2kVA, and the frequency bandwidth is 10～3kHz. In the thesis, the author designs and makes the hardwares of the switching power amplifier. The hardwares contain power inverter rank circuit, control system circuit based on DSP, drive and isolation circuit, and protective circuit. The thesis also analyses the potential safety problems and put forward some solutions for the problems. Furthermore, the thesis accomplishes the software design of the control system, and successfully debugs it. The methods of designing higher power ampilfier are also discussed in the thesis. It analyses the feasibility of the methods, outlines the way of how to design higher power switching power amplifier, and does some experiments with the method of switches-parallelling.

根据电动振动试验系统对开关功放的要求，提出了以电感电流瞬时值控制技术为基础的三电平脉宽调制开关功放的设计方案，并通过系统仿真进行了原理性论证；然后设计并制作了开关功放的硬件，包括功率转换电路，基于DSP的控制电路，驱动、隔离电路以及保护电路；针对开关功放数学模型不易得出的特点，细致分析了模糊自适应PID控制方法，在此基础上编写了控制程序；研制出一台功率为2kVA，通频带为10～3kHz的三电平脉宽调制开关功放；论文中还探讨了实现大功率开关功放的方法，分析了各种方法的可行性，给出了实现大功率开关功放的思路，并进行了并联开关管实现大功率开关功放的实验。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。