查询词典 waveform synthesizer

The criterion is formed and the fault line is detected according to the analysis of correlation degree of measured waveform and simulated waveform of each feeder line's zero sequence current.

对各馈线零序电流的实测波形和由测后模拟法所求解的波形在一定数据窗下进行相关度分析，籍此形成选线判据，实现选线。

Dynamic experiments of domestic sewage treated by electrocoagulation process with triangle-wave power, sine wave power and full-wave rectifier power, which had the different power waveform and waveform frequency, were studied. And the removal characteristics of organic pollutants were studied.

采用三角形波电源、正弦波电源、全波整流电源进行动态实验，研究采用不同电源波形和波形频率电源的电凝聚对处理生活污水的影响，以及对有机污染物的去除特性。

1Based on the characteristics of carbonatite reservoir in Sangtamu area, we summarize the type of seismic reflection and the distribution of oil and gas.(2)Through the study of the lateral difference of local amplitude, which can predict the short, unorderly reflective energy gobbet of carbonatite reservior, we study the distribution of carbonatite reservoir with crack.(3)Analyzing the change of the seismic waveform, applying nerve network method to classify the seismic waveform, find the rule of its change, recognizing the change rule of seismic facies.(4)Applying the seismic multi-attribute cross method to study the surface and inner of carbonatite reservoir in buried hill. We first extract the 5 kinds of seismic attribute. Through a series of choices, we find those seismic attributes that are sensitive to the change of carbonatite reservoir.

主要的研究包括：①根据桑塔木碳酸盐岩的储层特点，总结了该区的地震反射特征及油气分布特征；②研究出一种有针对性的地震属性--局域振幅横向差异性，来定量刻画潜山内部"短轴"杂乱反射能量团，预测缝洞型碳酸盐岩内部储层的平面分布规律；③通过对地震波形变化的分析，运用神经网络对地震波形进行有效分类，找出波形变化的总体规律，从而认识地震相的变化规律；④应用交会法地震多属性分析方法，对潜山表层和内部分别提取了5大类40种地震属性，通过一系列分析表层及内幕各自优选出3种、4种地震属性用于进行交会分析。

HST-FSK uses the Hadamard matrix to expand a newly defined FSK waveform in both spatial and temporal dimensions according to the Kronecker product, and it achieves a higher spectral efficiency than ST-FSK owing to the more parameters are introduced into the new FSK waveform.

HST-FSK采用Hadamard矩阵对一个新的FSK波形向量在空、时二维上作Kronecker扩展，由于新的FSK波形向量中引入了更多的参数，因而HST-FSK能够获得比ST-FSK更高的频谱利用率。

Taking a real single-phase half-wave controlled rectifier as an example to research rectifier s waveform factor,this article analyzes the relationship of waveform factor and thyristor s trigger delay angle,then draws some important conclusion.

以一个实际的单相半波可控整流电路为例，对整流电路中的波形系数进行了研究。

The instantaneous voltage inner loop is used to control output voltage waveform to track a sinusoidal waveform.

在逆变器控制策略上采用电压瞬时值内环和平均值外环的双环控制方法。并用TMS320LF2407实现数字控制。

To control the output waveform, the mathematic model of three-level inverter is set up. The output voltage instantaneous value control system is employed to obtain high quality output waveform.

为了对输出电压的波形进行控制，该文建立了三电平逆变器的数学模型，使用输出电压瞬时值控制系统来获得高质量的输出电压波形。

Keywords asymptotic waveform evaluation;size dimension;Power/ground planar structure;impedance characteristics;adaptive sectional method;Laurent series expansion;broad-band asymptotic waveform evaluation;multi

渐近波形估计技术；尺寸维；电源/地平面结构；阻抗特性；自适应分段方法；洛朗级数展开；宽带渐近波形估计技术；多维渐近波形估计方法；自适应跳点技术；参数提取；电源完整性分析；参变分析

After studying the exciting waveform in LVI method, it can be concluded that the change of input waveform often shows distortion near the excited terminal.

FRA法和LVI法都能很灵敏地检测到各种绕组的大部分变形故障，但同时两种方法都存在着不灵敏区域，该区域涉及范围很小且靠近绕组入波端的可能性较大。

What we need is a waveform-less voltage, otherwise we'd hear the twice mains frequency waveform.

但我们需要的是没有波形的电压，否则我们会听到交流电源频率两倍的声波，以及大量失真。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。