sound frequency的例句大全

FM receiver through demodulation , the frequency signals into sound signals.

调频接收机通过解调, 鉴频将信号转换成声音信号.

Expenses for repairing and maintenance were reduced after the frequency sound wave deashing device was used.

经采用低频声波清灰装置,减少了检修和维护的费用.

To transmIt'sound by AC earphone and vibrator, to write minimal hearing threshold in each frequency.

通过气导耳机和骨导振子传声, 由此可判断出人耳在各个频率上所能听见的最轻的声音.

Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.

声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。

Another haunted and related natural phenomenon is known as frequency infrasonic sound waves.

另一种与闹鬼相关的自然现象是称作次声的低频声波.

Larger air window of Ocarina will increase the frequency of basic sound.

加大陶笛的气窗,会使其基本音的频率提高.

In fact, the frequency shifter can greatly enhance the usable gain of the sound reinforcement system.

实践证明, 移频器能显著提高扩声系统增益.

The decline effect of fabric on sound wave has the chractaristic of frequency alternative.

织物对声波的衰减作用具有频率选择性.

Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency.

假定两个扬声器都发射恒定频率的纯正弦声波.

Ultrasonic devices use sound waves of extremely high frequency.

超音波装置使用极高频率的声波.

The frequency, wave length, and speed of sound are closely related.

频率, 波长和声速三者是密切相关的.

Influence of Vitamin B_1 and B_6 on the Changes of Mice Liver Glycogen Content Caused by High Frequency of Sound

维生素B1、B6对高频音引起小鼠肝糖原含量变化的影响

According to basic values of ISO standard evaluation of audiometric environment noise by using A-weighted sound level meter is proposed. Different audiometric contents and various frequency ranges are analyzed.

根据ISO标准的基本数值，提出了用A-计权声级评价测听环境允许噪声，分析了不同测听内容和各种测听频率范围的噪声特征。

Using the stream data processing and distorting audios. Through changing the frequency of the sound, formants, time compression and expansion to achieve the voice changing.

使用文件流方式处理音频，通过改变声音的频率，共振峰，压缩和扩展时间帧频实现了声音的变化。

Booster compressor noise has the characteristics of wide frequency band, intense low fre-quency sound and considerably high total sound pressure level.

增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。

PSpice Simulation Analysis of Frequency Shifting in Sound Reinforcement System

扩声系统移频增音的PSpice仿真分析

Test Method Based on the PC Sound Card to Test the Frequency of Electric Mains Precisely

基于PC声卡的电网电源频率精密测试方法

Sound Reflection and Sound Shadow Simulation Technology of High Frequency Sonar

高频声纳回波影像仿真技术

Sound reflection and sound shadow of high frequency imaging sonar detecting sea mine underwater was simulated with computer.

对高频图像声纳探测水雷的回波和声影进行计算机仿真。

According to a distance of different frequency sound warning.

按距离远近发出不同频率警示音.