查询词典 square wave

In addition, changing soil penetrance, its value is bigger when the wave attenuation is larger.

另外较大之土壤渗透率时，对波浪之衰减亦越大。

The top layer in princely date is pensile a few meters high ship sail, wave with the wind dance, evil spirit it is good-looking, in board carrying a layer on the head view scene has astronomy binoculars and travel binoculars, still have outdoor beer, taste beer view scene here, amorous feelings is provided alone.

在王子号的顶层悬挂着几十米高的船帆，迎风飘舞，煞是好看，在顶层甲板观景有天文望远镜及旅游望远镜，还有露天啤酒吧，在这里品啤酒观景，风情独具。

When you return to the north, wave the Pentacle in front of the tablet three more times.

当你返回到北，打pentacle前面的平板3次以上。

Influence of beam turning error of pentagonal prism on wave-front measurement［J］.

五角棱镜的光束转向误差对波前测量的影响［J］。

And others waxing hopeful that the next wave of Internet progress is finally starting to percolate.

并让其他人逐渐希望下一波的网络发展浪潮正最终开始涌现。

This paper analysized the relationship between sampling frequency fs and the taps N of low pass filter in A/D transform and got a formula expression, which can give reference to the parameter design of quadrature sampling.; aiming at the wave distortion in traditional arithmetic of quadrature sampling with pulse compression, an improved algorithm has been studied and validated in Matlab and get perfecter result. In order to enlarge the detect distance of Radar, a method of part pulse compression is put forward, the realistic sense and the implement scheme is analysized.

本文分析了在正交插值前端A/D变换中采样率的选择与正交插值低通滤波器的阶数的关系，得到公式化的表达式，可为正交采样参数设计提供参考；针对传统的正交插值及脉冲压缩算法中的波形畸变提出了改进方案，并通过仿真实验得到较好的效果；为扩大雷达的探测距离，提出部分脉压的方案，详细分析了其理论意义及实现方法。

Xi ′ an Jiaotong University, Xi ′ an 710049, ChinaAbstract : Propagation of generalized Rayleigh wave in a layered piezoelectric structure with initial stress is investigated. It involves a thin elastic layer bonded perfectly to a piezoelectric elastic substrate.

摘 要：通过求解考虑初应力时的耦合波动方程，研究了覆盖层为各向同性材料、基底为横观各向同性压电材料的压电层状结构中广义Rayleigh波传播时初应力和相速度的关系。

Perilla seed oil was extracted from the perilla seed by using ultrasonic wave assisted extraction technology. The antioxidantion effects of different antioxidants, such as TBHQ, BHT, and VE were compared with each other by using the Rancimat method.

以紫苏子为原料，利用超声波辅助提取技术提取苏子油；用Rancimat法比较TBHQ、BHT和VE等不同抗氧化剂单独作用及复配时对苏子油的抗氧化作用。

In the year of El-Nino, the shortened main period of wave oscillation in summer is clearer than that in winter.

4El-Nino事件，夏季的波动振荡主周期比冬季主周期缩短明显。

He says, new round of periodic change element is very much, shipping transport power is supplied, dock is managed, wave motion of boat price change, freight.

他说，新一轮周期的变化因素很多，船舶运力供给、码头经营、船价变化、运费波动等。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。