• Sound pulse technique is often used in the underwater acoustic measurement, but it has transients, so it can not be used in low frequencies.

    脉冲技术是一种常用水声测量技术,由于脉冲声存在着瞬态过程,严重影响了在低频下的使用。

    dict.cnki.net

  • This paper presents a theoretical analysis of the reflection of a sound pulse by the plane interface between the air and an idealized porous medium.

    本文理论上分析球面脉冲声波空气理想多孔性媒质界面反射问题

    dict.cnki.net

  • This paper studies the determination of datum station with GPS and the computation problems of the sound pulse signal received by the datum station of echo pulse receiver under water.

    研究GPS测定坐标,分析了基阵所接收脉冲信号处理。

    gpscenter.whu.edu.cn

  • This paper presents a study of the reflection of sound pulse from porous material in the ease that the impulse sound source and receiver are located on a line perpendicular to the surface of material.

    本文提出脉冲声源接收点同一条垂直材料表面直线时,脉冲多孔材料反射研究

    dict.cnki.net

  • The old choppy and clunky pre-swing rhythmic feel is still there in the pulse and banjo sound, but this was a new notion of how jazz composition might evolve.

    首曲子弦乐的跳跃中,虽然我们能感受到摇摆音乐前期爵士乐节奏上涩滞落,此时其作曲走向已略显初端。

    article.yeeyan.org

  • Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.

    实验表明脉冲压缩可有效增加浅海低频脉冲的传输距离,信道匹配用于消除多途对脉冲信号检测信比的影响。

    dict.cnki.net

  • Frequency, current, voltage and pulse width of successive wave and intermittent wave were similar. Frequency, current, voltage and pulse width of sound electric wave changed continuously.

    连续断续波(续波)频率电流电压脉冲宽度相同电波的频率、电流、电压、脉冲宽度均为不断变化的。

    dict.cnki.net

  • In this paper, the interaction between a cw plane wave and a plane pulse travelling with sound speed is considered. Both of them satisfy the homogeneous wave equation.

    本文讨论平面波一列平面脉冲相互作用,显然这个波不仅都满足波动方程,而且可以用来讨论公共区之外的声散射声问题。

    dict.cnki.net

  • The result is accord with geological sample and sediment chart, so this method can be applied on sediment classification of narrow-band pulse echo sound signal.

    分析结果地质采样结果海图吻合,说明本文提出方法应用于窄带脉冲信号的海底底质分类适用的。

    dict.cnki.net

  • M sequence signal can be chosen as the receiving deterministic pulse signal when using acoustic vector to determine the direction of the sound source. It possesses favorable anti-multipath capability.

    利用矢量接收脉冲信号确定声源方位,脉冲信号形式可以考虑采用M序列调相信号,具有良好抗多途效应。

    dict.cnki.net

  • This paper develops a theoretical formula for calculating interfacial noise of vibrating point from its vibratory quantity with pulse semisphere sound source as basic physical model.

    本文脉动半球声源基本物理模型,推导振动计算振动界面噪声理论公式

    dict.cnki.net

  • Pulse sound monitor developed by the authors was applied in testing pulse sounds of athletes of different events and levels before training.

    运用自研脉搏声谱检测仪不同项目不同水平运动员训练的脉搏进行了测试

    dict.cnki.net

  • This article discusses the research and special usage of a sound and light indicator of a kind of logic pulse probe.

    本文介绍一种和光指示瞬间电脉冲检测器的研制及其特殊用途

    www.chemyq.com

  • This paper presents the method of designing a acoustic sensor monitoring the shock wave and sound wave along with plasma produced in the process of interaction between short-pulse laser and teeth.

    介绍了用于激光牙齿作用产生等离子体监控声学传感器设计方法,可用于对激光作用过程的监控。

    www.dictall.com

  • For the man sound of body and serene of mind, there is no such thing as bad as weather... Every day has its beauty, and storms which whip the blood, do but make it pulse more vigorously.

    身心若是平静安然,无谓天气好坏每天都是美好激发血性的暴风只会使脉搏跳得更猛烈。

    www.falang.net

  • In the design, in view of the breakdown different form, has studied the sound detection law, the pulse magnetic field law, the audio frequency induction method and so on each method principle.

    设计中,针对故障不同形式研究脉冲磁场法、音频感应各种方法的原理。

    www.boshuo.net

  • This paper describes the major performance and applications of the PFM (pulse frequency modulation) optical fiber transmission equipment for colour TV programs with two accompanying sound channels.

    本文叙述PFM彩色电视双伴音传输设备主要性能应用

    dict.cnki.net

  • The field pulse signal forming and width control circuit generates a field pulse signal A with the width being controlled by the accompanying sound electric level.

    脉冲信号形成控制电路产生宽度伴音电平控制场脉冲信号A

    ip.com

  • A new method to calculate the distribution of sound pressure of a transducer pulse field is proposed. The distribution of sound pressures of transducers with different bandwidths is calculated.

    提出了一种计算超声换能器脉冲波声场声压分布方法计算不同带宽换能器脉冲波声场声压分布。

    hkxb.buaa.edu.cn

  • The standard medical stethoscope (9) can replace the pulse sound sensor (3), and the blood pressure can be measured by human.

    可用医用听诊器(9代替脉搏传感器3),人工判断血压。

    ip.com

  • The standard medical stethoscope (9) can replace the pulse sound sensor (3), and the blood pressure can be measured by human.

    可用医用听诊器(9代替脉搏传感器3),人工判断血压。

    ip.com

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定