1、

Large amount of work has been done on the statistical properties of small signal sound fields in reverberation rooms yielding the theoretical distribution of rms pressure and mean-squared pressure.

对于线性单频混响声场的统计特性的研究人们曾做了许多工作,建立了均方根声压和平均声能密度统计分布理论。

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2、

Cabled distribution systems primarily intended for television and sound signals

GB/T6510-1996电视和声音信号的电缆分配系统

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3、

Responsible for recording and mixing of sound and acquisitions of developed entertainment videos and music videos for domestic and international distribution.

负责取得优质音乐录影带、娱乐性节目等之美国本土以及全球发行权。

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4、

Study of Crack Distribution Effects on Sound Wave Propagation in Basalt

玄武岩中裂隙分布形式对声波传播的影响

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5、

Different characteristics of sound field can be extracted by the CSD distribution in different cyclic frequencies, which may be mixed up in the frequency domain of the PSD distribution obtained by the ordinary partial coher-ence method, and not be shown clearly.

因此,与只能得到部分声场功率谱密度分布的传统偏相干方法相比,该方法可更清晰地了解循环平稳声场中各个声源的特性。

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6、

According to the theory of wave acoustics and ray acoustics, train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.

根据波动声学和几何声学原理,将列车看作一运动着的有限长线声源,建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。

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8、

By monitoring noise and recording the variation of vehicle model and traffic thins of each lane in monitor sites of thruway and referring to other parameters of the monitor sites of thruway, sound source distribution of traffic noise was studied.

通过现场噪声监测,记录高速公路监测点位各车道车型车流量的变化,同时参照该点位高速公路的其他参数,探究高速公路交通噪声的源强分布。

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9、

Sound intensity distribution and acoustic power output of a sound source in reverberation chamber

混响室内声源的声功率输出及声强分布

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10、

The complex sound field distribution of the focused transducers was calculated by the coordinate transform method, and the acoustic power was measured.

该文应用坐标变换法对该聚焦换能器的复杂声场分布进行了数值计算,并测定了其声功率。

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11、

A detection method of heart sound signals using Choi Williams distribution

一种基于Choi-Williams分布的心音信号检测方法

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12、

To build the affluent society successfully not only depends on the sustained, sound and rapid development of Chinese national economy but also depends on whether the income distribution system can be adapted to the requirement of fast economic development.

全面小康社会建设能否成功,不仅取决于我国国民经济能否继续保持健康、快速的发展,而且还在于我国的收入分配制度的改革能否适应经济快速发展的要求。

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13、

There exist differences between the two languages, but the principle and effect of distribution of sound beauty reflected by permutation of word order shows the wonder of equally satisfactory results.

两种语言虽有差异,但通过语序变位体现出来的音美配置原则和效果却有异曲同工之妙。

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14、

cabled distribution systems for television and sound signals - passive wideband equipment for coaxial cable networks

电视和声音信号的电缆配电系统.共轴电缆网络的无源宽谱带设备

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15、

hall acoustics in the process of acoustical design plays a significant role, to make a good listening hall effect, it is necessary to calculate and design the sound running track, reflection, distribution and time and so on.

声学在厅堂音质设计过程中起着相当大的作用,要使一个厅堂有良好的听音效果,就要计算并设计好声音的运行轨迹、反射、分布及其时间等。

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16、

the results are very useful in analyzing the sound field distribution of combination source in the underwater sound channel.

该成果对于分析水声信道中组合声源的声场分布具有一定的参考价值和指导意义。

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17、

In speech sound statistics, the word occurance deviates from Poisson distribution for random discrete variable.

在语音统计中, 发现语词出现不符合无规出现的泊松分布.

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18、

The salient district complementary distribution indicates that the force of the sound change from velar plosive initial before a high front vowel in the northern dialects to a alveolar affricate comes from outside influence rather than internal change.

这种明显的地域互补分布表明了北方汉语方言前高元音前面的舌根声母转变为舌面音的力量来自于外部的人文影响,而非内部语言音变。

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19、

Nonstationary quiver spindle background sound analysis of airplane via Wigner-Ville and wavelet time-scale distribution

基于Wigner-Ville分布和Wavelet时间尺度的飞机非平稳抖杆背景声分析

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20、

A sound sales and distribution network and payment system.

有健全的网络销售和物流配送和支付体系.

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