查询词典 waveform synthesizer

And a retiming scheme based on the above method is also presented to optimize the timing behavior of sequential circuits. Also from waveform polynomials of sequential circuits, a precise clocking method based on multiple-period sensitization is presented.

为了适应超深亚微米电路测试的要求，本文建立了一种新的基于布尔过程论的逻辑级噪声预测模型，用波形多项式描述的同时发生的跳变数来预测噪声大小，并生成能产生最大跳变数目的输入波形；然后同基于波形敏化的长敏化通路选择法相结合，形成一种能产生最大噪声效应的敏化测试波形生成新方法。

Hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform ,decrease stress peak value,prolong effectual act

认为与桩等波阻的细长状锤体能够产生理想的应力波波形；在桩锤重量一定的情况下，可针对不同的地质情况和桩，通过选择不同刚

Results of numerical simulations were validated by measuring the piston displacement, cylinder pressure, discharge valve displacement. The calculated displacement waveform of the discharge valve is accordant with the experimental one, which demonstrates that the valve model is reasonable.

通过分析比较不同工况下排气阀位移的计算值与实验值，可以看到阀片位移波形的变化趋势是一致的，位移峰值相互对应，说明模拟计算的结果基本正确，建立的气阀模型是合理的。

In the case of plane-parallel electrodes.the variation between the voltage wave form of two dielectric plates and the voltage waveform of power supply was theoretically discussed-the times of different discharge shapes were respectively calculated-and what is more.the movement of charge ions was demonstrated.

从理论上对介质阻挡放电的放电气隙上的电压变化进行了系统分析，完整地讨论了放电过程中气隙上的电压波形变化以及各波形阶段对应的时间。并进一步确定了放电离子在不同波形阶段的运动情况。

The channel estimation is formed by projecting a give user's spreading waveform into the estimated noise subspace and nulling the projection.

利用信号向量在噪声子空间的投影为零的性质，可以估计出信道的参数。

This study has developed a LabVIEW-based digital control system, which features the following functions: adjustment of the distorted waveforms, pulse count to the quarter pitch, waveform subdivision by Lissajous circle, back propagation neural network and PID control, and the position feedback control of the stage.

本项研究开发了基于Labview的数字控制系统，该系统具有失真波形的调整、1/4栅距脉冲计数、基于Lissajous圆环的波形细分、后传神经网络和PID控制以及平台的位置反馈控制等特征。

The general problems of UWB-SAR waveform design were investigated from the aspects of working frequency and polarization pattern.

论文共分三大部分：第一部分对UWB-SAR信号设计的理论与应用进行了研究。

Methods Patients with nodules and polyps of the vocal fold were examined and analysed by EGG.EGG waveform of nodules and polyps pre-and post-operation were compared.

用EGG对声带息肉和声带小结患者进行测试和分析，并对手术的患者做了术前术后的对比。

But the same time for guaranteeing mode curve satisfy the whole boundary condition , at other vibration direction the waveform number isn t only.

在两个振动方向上所采用的振动曲线形态要与相应的边界条件所限定的变形形态相吻合。

The transient charging behavior under dynamic positive bias stress could be observed and analyzed by varying the duty cycles of stress pulse waveform at a specific frequency, and a universal charge trapping model has been proved in terms of the effective stress time.

此外，我们可以藉由改变在特定频率下之应力脉冲波形的责任周期大小，来观察及分析动态正偏压应力测试下的瞬间充电行为，并证实一以有效应力时间为参数的通用电荷捕捉模型。

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。