查询词典 sound wave

In this paper, based on the propagation characteristic of sound wave in pulsed electroacoustic method and temperature dependence of polyethylene properties, the effect of temperature gradient on space charge measurement is analyzed and the space charge waveform is recovered.

本文基于电声脉冲测量方法中声波的传播特性和温度对聚乙烯材料特性的影响，分析了温度梯度场对空间电荷测量结果的影响并进行了波形恢复。

Because of the existence of natural detecting blind area o f general radar on detecting flying object flying in veryˉ low altitude, it is so essential to put forward a suspended bomb t heory which would make use of sound wave's characˉ teristic parameters as its wavelength and spectrum to get the obje ct's direction and position, and to discuss its orientaˉ tion method and embattle model.

由于现有的常规雷达探测超低空飞行的来袭兵器有其固有的盲区，作为雷达的必要补充，利用声音的大小、频谱等特征能够反映声源的方位等特征参数的特性，提出了一种被动声学探测悬浮弹理论，并对其定位算法和布阵模式进行探讨，目的是防御拦截低空超声速巡航导弹。

In real ocean channel, surface and water column is space-time variability that can' t be ignorable, and makes the sound wave propagated in it abnormal and fluctuant.

在实际的海洋信道中，界面与水体都存在不容忽视的空一时变异性，使得在其中传播的声波存在强烈的畸变和起伏。

One, serve as a signal generator with computer, the software of COOLEDIT of sine sound wave that produces a standard is software of the acoustic frequency processing with a kind of powerful function and editor, it can be generated, broadcast the voice that with transcribe we need, the weaveform that can show phonate news undertakes study for us, be acoustics research and acoustic frequency processing

一、用电脑作为信号发生器，产生标准的正弦声波COOLEDIT 软件是一种功能强大的声频处理和编辑软件，它可以生成、播放和录制我们所需要的声音，并可以显示出声音的波形供我们进行探究，是声学探究和声频处理的得

When sound wave irradiates suspension layer, there is propagation attenuation in the layer besides reflection and transmission in the interface.

声波照射到悬浮层上，除界面处产生反射和透射外，在层中传播还会产生衰减。

Second sound wave was a hot research point for many years.

超流氦中的第二声波一直是一个研究热点。

This paper analyzed the advantage and disadvantage of three sound wave focus methods, that is lens focus, curved autofocus, and phased-array focus on the base of draw lessons from supersonic focus technic, consequently preferred and designed the infrasonic phased-array focus system.

文中在借鉴超声波聚焦技术的基础上，分析了透镜聚焦、曲面自聚焦、相控阵聚焦等三种声波聚焦方法的利与弊，从而选用和设计了次声相控阵聚焦系统。

This paper summarizes the study progress on the impending earthquake prediction by Chinese scientists from the method of multi-subject intersection and the internal and external factors coupling. Depending on very hard work during recent years, they get some important signals of predicting impending earthquakes, including the anomalies of infrasonic sound wave, crustal stress, behavior of budgerigars, general geoelectric, geomagnetic, satellite heat infrared and high frequency gravity pulsation.

文章综述了中国科学家从多学科交叉和内外因耦合的科学途径，已在大地震临震信号方面获得了次声波异常、地应力突跳、虎皮鹦鹉跳跃异常、地电和地磁异常、卫星红外异常、重力高频脉冲等临震预测的手段。

A 9 -Bit square lattice gas model with temperature was introduced. We fulfilled an acoustic driver using Monte Carlo Method. Using this driver to generate plane waves, a standing sound wave was established in a two\|dimensional pipe.

引入带温度的 9- Bit正方形格子气自动机模型，利用MonteCarlo方法模拟声源并激发平面波，在二维谐振腔中建立了声驻波场。

Based on exchange principle, by using self-developed software,the compensation sound wave logging can be realized with the results from single-emission and double-receiving logging equipment the same as that from double-emission and double-receiving.

对老式的单发双收煤田测井仪，利用互换原理，通过自行开发编制的软件，以实现与双发双收效果相同，结果一致的补偿声波测井，并通过几个孔的资料对比，达到满意效果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。