查询词典 modulation capability

This paper describes various methods of analog modulation based on Convolution Theorem and Hilbert Transform unitedly to simplify the theoretical analysis in the" communication principle" course.

本文基于信号处理概念中的卷积定理和希尔伯特变换统一地描述各种模拟调制方式(括DSB，SSB，AM，FM)原理，旨在简化"通信基础"课程中关于模拟调制理论的分析。

For aeronautical static converter then three-phase unbalanced load, made use of four-leg three-phase main circuit topology solution based on abc coordinates of the three-dimensional vector control, so that the switch to select the vector and duty more than a simple calculation, a significant reduction in the modulation of the complexity of the algorithm.

为解决航空静止变流器在不平衡负载情况下不能正常工作的问题，提出了三相四桥臂主电路拓扑解决方案，并采用基于abc 坐标系下的三维空间矢量调制，使开关矢量的选取和占空比的计算简单化，显著降低了调制算法的复杂性。

We have analyzed the interaction between lightwave and microwave in polymeric electrooptic modulators. Local poling structure was suggested to apply to the waveguide modulators, which will enhance the interaction between lightwave and microwave and improve the modulation efficiency considerably. In addition, instead of the coplanar electrode, the microstrip line was proposed to be the modulating electrode.

对有机聚合物电光波导调制器中光波与微波的相互作用进行了分析，提出利用局域极化结构可使在光波导中传播的光波与调制微波间的相互作用明显增强，与传统的使用平面电极的电光波导调制器进行了比较，调制效率增强一倍以上。

Among the 10 descriptors, the coplanarity of three phenyl substituents with the imidazole ring, the hydrogen-bond acceptance, the molecular weight and logP are the most important factors for the modulation efficacy.

借助半经验分子轨道法AM1和从头计算法RHF/6-31G计算得到分子的多种描述因子，采用多元线性回归方法进行了结构药效分析，基于分子的结构参数、接受氢键的能力、脂水分配系数等对药物分子半有效剂量的影响提出一套拟合效果比较理想的构效关系方程，其复相关系数和标准偏差分别为0.897和0.323。

Corncob PH value of modulation techniques and technology research projects.

玉米芯PH值调制技术及工艺的研究项目。

Digital Correlator has different realizing structure for different modulation mode and data frame.

对于不同的调制方式和不同的数据帧结构，数字相关器的实现方案有很大不同。

The origin, propagation and modulation of cosmic ray can be studied through its variation.

通过研究宇宙线变化可以帮助我们了解宇宙线起源及传播区域的有关信息。

E. , the fundamental cause of nonlinear coupled oscillation is the results of the interaction between the several nonlinear factors existing inside the motor, as well ws the mechanical drive, and the converter control system with discrete-sample and modulation.

本文依据理论分析、实验及现场测试研究，详细地分析了电力传动系统中存在的非线性耦合振荡现象，基本弄清了此类非线性耦合振荡的机理，即：电机内部非线性及机械拖动部分存在的多种非线性因素与具有离散采样和调制非线性特性的变流器控制系统之间的相互作用是造成系统非线性耦合振荡的根本原因。

This opens the possibility of a new type of cross modulation, where a beam of light at one of the absorption frequencies can turn on or off the light of the other.

这就可能制造出新型的交叉调制器，一束有特定吸收频率的激光能打开或关闭其它的光。

Endogenous opiate like substances may be involved in the modulation of the acquisition of CTA.

内源性阿片样物质可能参与了CTA形成过程的调制作用。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。