查询词典 wave

The paper points out the defects of the const pressure wave velocity method and do some improvements on it rebuilding the expressions of the pressure wave velocity in accordance with the Simpson's rule.

指出了常负压力波波速定位方法的局限性，并采用改进的负压力波定位技术，将管道内的负压力波速公式采用复化辛普森公式进行了改造。

This function can generate sine wave, triangle wave.

详细说明：该函数可以产生正弦波，三角波。

When you're relaxed, your wave becomes smooth and consistent, like a sine wave.

当你感到有压力，你的波型变得犬牙交错和高低不平。

Now we can see the wave now ,it is sine wave !

是不是可以清楚是看出是正弦波了？

Output current is sine wave and does not include unnecessary high harmonic wave.

输出电流为正弦波，不包括多余的高次谐波。

We have both true sine wave and quasi sine wave types.

我们有正弦波和准正弦波两种类型。

To a general KdV equation with singular curves on phase plane, we explain the reason why these non-smooth traveling wave solutions arise.Based on the bifurcation analysis, all possible traveling wave solutions have been known qualitatively.

论文的第三章考虑奇异性对非线性波动方程解的结构的影响，针对相空间上出现奇异线的广义KdV方程，详细讨论了奇异线的存在对解的结构的影响，分析系统中非光滑行波解产生的原因。

And the envelope solitary wave solutions and envelope sinusoidal wave solutions have been obtained.

得到了该方程的包络孤立波解和包络正弦波解。

The envelope solitary wave solutions and envelope sinusoidal wave solutions of DNLS equation are obtained.

得到了DNLS方程的包络孤立波解和包络正弦波解。

In order to avoid the analysis difficulties of DBD circuit in time domain method, a new fundamental wave analysis method of DBD circuit is presented since the current of inverter is closed to sinusoidal wave.

3为降低时域分析方法的复杂和烦琐，本文利用串联谐振电路工作时电流接近正弦波这一特性，提出了串联负载谐振式DBD电路的基波分析方法，推导了DBD电源中主要电气量的表达式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。