查询词典 waveforms

An improvement is made to the multi-user Prolate Spheroidal Wave Functions IR UWB orthogonal pulse waveforms design.

对多用户椭球波函数脉冲UWB正交波形设计方法进行了改进。

At last, the waveforms of points in the whole circuit are measured by digital oscillograph, and the results of test are analyzed in details.

最后，利用数字示波器对整个电路的波形进行了采样，并对测试波形进行了分析。

In order to get the high quality output voltage, there have developed many waveforms–control methods.

为了获得高质量输出电压，发展了多种多样的波形控制技术。

Computer simulation results indicate that the method can detect the chirp-like polyphase coded waveforms in the presence of strong noise effectively.

仿真结果证明，此方法可有效地对线性调频类多相码信号进行检测，并且有较好的抗噪声性能。

As an application, the recognitions of QRS complexes and ST-T sub-waveforms are implemented on computer.

作为应用，讨论了对于心电信号中QRS波以及ST-T子波形的具体识别策略。

Often divided into two types:(1) sine wave oscillator, according to the network oscillation frequency of the different loop selected further divided into RC sinusoidal oscillator, LC sinusoidal oscillators, quartz crystal oscillators, voltage-controlled oscillator, voltage-controlled crystal oscillator and other forms;(2) non-sinusoidal oscillation device, also known as relaxation oscillator, is the use of capacitor charging and discharging and active device (transistor, FET, single-junction transistor, etc.) to generate the pulse-off square wave, rectangular wave, triangle wave, sawtooth wave, or these basic waveforms synthetic waveform and its frequency by the LC time constant charge and discharge circuits to decide.

常分两大类型：（1）正弦波振荡器，根据振荡环路中选频网络的不同，又分为RC正弦波振荡器、LC正弦波振荡器、石英晶体振荡器、压控振荡器、压控石英晶体振荡器等多种形式；（2）非正弦波振荡器，又称张弛振荡器，是利用电容充放电及有源器件（晶体管、场效应管、单结晶体管等）的通断来产生脉冲方波、矩形波、三角波、锯齿波或这些基本波形的合成波形，其工作频率由LC充放电电路的时间常数来决定。

A wavelet modeling method is proposed to analyze the time domain reflectometry waveforms.

对于混凝土材料来说，其介电常数是随频而变化的，要了解这

The phase-averaged waveforms of residual' pulsant Reynolds stress term of coherent structures and Reynolds stress contribution term of random fluctuation during coherent structures burst process were extracted by conditional sampling and phase- average technique.

用条件采样和相位平均技术提取了相干结构碎发过程中相干结构剩余脉动雷诺应力和随机脉动对相干结构贡献的雷诺应力的条件相位平均波形。

Figure 22 shows a sequencer circuit with possible applications in many systems, and Figure 23 shows the output waveforms.

图22给出的是定序器电路，适用于许多系统的应用程序。图23显示的是输出波形。

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。

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。