查询词典 waveform

Considering the characters of the waveform of impulsive noise, on the base of robust statistics, the thesis uses the robust statistical function mending the customary adaptive algorithm based on second order statistic, applies it to the system identification problem.

考虑到α-稳定分布波形的性质，在稳健估计理论的基础上，利用稳健估计函数改进了原有的基于二阶矩的自适应算法。

Thanks to this scheme, the phase, root-mean-square value, frequency, and waveform of the output sinewave voltage can be controlled precisely and the system has excellent steady-state performance, fast dynamic response performance, fast and reliable current cut-off protection function.

提出了一种新的适应"模块化"要求的高性能逆变电源控制方案，该方案是一种带有输出电压相位控制及负载电流前馈控制的多环反馈控制方案，能对输出正弦波电压的相位、有效值、频率、波形进行精确控制，使系统具有良好的稳态、动态特性以及快速可靠的截流保护功能。

A new strategies for restraining harmonics are presented in the paper, the methods adopt the right carrier frequency and the sine wave superimposed a proper three-time harmonics to make it saddle-shaped wave, produce SPWM waveform to control the inverter switching devices for the on and off .

并提出了一种新的易于工程实现的谐波抑制策略，该方法通过正确选择载波频率和在正弦调制波上叠加一个三次波使之成为鞍形波，产生相应的SPWM波形来控制逆变器开关器件的通断从而改善输出波形。

The triangle waveform, which has approximately equal rise and fall slopes, is one of the commonest used, but you can use a sawtooth (where the voltage falls quickly and rinses slowly).

三角波形，其中大约有平等的上升和下降的斜坡，是最常见的使用，但您可以使用锯齿（其中电压下降迅速，漂洗慢）1。

However, the classical Schwarz waveform relaxation method has a disadvantage, namely its convergence rate is slow.

但一般的Schwarz波形松弛算法同时也有收敛速度慢的缺点，本文就是通过将传统Schwarz区域分解算法进行改进，以加快它的收敛速度。

In correlation seismogram section, the position corresponding maximum absolute value of event waveform indicates real position information of an interface.

相关地震剖面同相轴波形的最大绝对值出现的位置反映了界面的真实位置信息。

It is also used to generate SPICE stimulus waveforms for these special sequential logic circuits quickly according to user's logic parameter specifications, as can speed up the logic parameter extraction process and guarantee a proper SPICE simulation waveform for the logic extraction.

提出了对具有反馈信息的时序逻辑电路进行逻辑参数提取时用于SPICE模拟的激励波形自动生成方法，该方法能根据用户指定的要提取的时延参数要求，很快产生这种时序逻辑电路的模拟激励波形，从而可以加快逻辑参数的提取过程，保证参数提取激励波形的正确性。

A novel high efficient combined discharge driving waveform for three electrodes shadow mask PDP structures was submitted in this paper.

等离子体平板显示技术是目前实现大屏幕、高亮度平板显示的主流技术之一，已成为高清晰度电视的主要候选者[1]。

Through studying distribution regularity of switching angle in SHET and the problem found when improving quality and efficiency of output waveform, optimal strategies that double switching angles and minimum pulses are ignored are proposed, the goal that hardware circuit is convenient to be made and more harmonics are eliminated by using less loss switching transistor is reached.

通过对特定消谐技术中开关角的分布规律及在提高输出波形质量和效率时所遇问题的研究，提出了省略开关角对及省略窄脉冲的优化策略，达到了便于硬件实现、功率开关管的损耗较小、而消除的谐波次数较多的目的。

The method is used to simulate the distribution of a skin current and characteristics of waveform on a ground laying shielded cable excited by the electromagnetic pulse.

计算与实验结果在误差范围内的一致性证明了数值结果的可靠性，以及该时域计算方法在处理电磁脉冲电缆耦合问题的可靠性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。