查询词典 sinusoidal wave

The calculated results indicated central wavelength of impurity mode and whole forbidden band move towards shortwave when incidence angles increase. Remotion of impurity mode of P-wave consist with that of S-wave basically.

研究结果表明，杂质模的中心波长及整个光子禁带随入射角的增加逐渐向短波方向移动，P偏振光和S偏振光的杂质模的移动情况基本一致。

Under the control of microprocessor, this pest repeller with an oscillating implement embedded in can produce mulriple-scanning pulse electromagnetic wave with variable frequency. It penetrates walls and transmits by the wire within walls and makes all connected wire producing pulse electromagnetic wave. By irritating the nervous systems of pests, it makes them be on the rack, physiology disorganized and the capability of procreation reduced. The pests are driving away as they are compelled to escape.

QC101型微电脑变频驱虫器：由完全内置的震荡器，在微电脑的控制下可产生多重扫描变频脉冲电磁波，它可以穿透墙壁，沿室内的电源线传播，让所有在墙中或建筑物内相通的电线都发出脉冲电磁波，刺激鼠类和其它害虫的神经系统，使老鼠和其它害虫感到极端恐慌，生理功能紊乱，繁殖能力降低，感到无法生存而逃离现场。

Achieve wave effects of code examples, in the pictures of a wave rippling like!

实现水波特效的代码例子，在图片上有水波荡漾的样子！

In the analysis, a nonlinear wave vibration equation of the thin cylindrical shell including damping and items due to geometric nonlinearities was established and then transformed by Galerkin's method. With different combinations of modes different nonlinear differential equations in modal coordinates were obtained. The Runge Kutta method was used to solve the equations numerically and some features of nonlinear wave vibration were discussed.

在研究过程中，首先，考虑阻尼并引入几何非线性项，建立薄壁圆柱壳的非线性波动方程，然后，采用Galerkin方法对波动方程进行转换，选取不同的模态组合，得到相应模态坐标下的非线性微分方程，最后用Runge-Kutta法进行数值计算并对圆柱壳的非线性波动振动特性进行了分析。

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。

In comparison, it is proved that the wave functions occuring in the two formalisms are identical, apart from a constant multiple which represents the scalar product of the wave functions of a bare nucleon and a dressed nucleon.

这个常数倍即是物理核子及裸核子的波函数的内乘积。第二，我们讨论了一般的含有二个h函数的Chew-Low方程的解，方程的形式使它们在实轴上在(1，∞)及(-1，-∞)二段上不连续。

By analyzing the result, three most main factors influencing the calculation accuracy are found: the constitution of wave scatter diagram, interpolating the irregular wave and the estimating of roll damping coefficient.

通过分析计算结果提出了影响计算精度的三个最主要的因素：海浪能量谱的构成、不规则波的合成方法、横摇阻尼的估算。

Numerical simulation ; pseudo shock wave ; shock wave/turbulent boundary layer interaction ; schlieren experiment ; asymmetric characteristic

数值仿真；拟似冲击波；冲击波/湍流边界层相互作用；纹影实验；非对称特性

He was also an avid scuba diver, so it's not surprising that Hilary's music is akin to floating in the ocean, wave after wave ...

在我人生最低谷的时候，音乐就象是一条清澈的河，我站在不远处聆听，我知道那始终是河在歌唱，用最自然最。。。

The virtual instrument combined with Ku-Band Microwave Doppler phase detect radar is used for the sea wave height measurement according to the Doppler frequency of the sea wave echo and stores the data.

结合Ku波段多普勒相检雷达，运用虚拟仪器根据海浪回波的多普勒频率来判断海浪变化，测出海浪波高存储数据。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。