sound frequency的例句大全

extraction of sound frequency features of gear processing error in transmissions

汽车变速器齿轮制造缺陷的声频特征提取

Using the sound frequency features extracted a knowledge base for the expert system is created.

依照提取的齿轮制造缺陷的声频特征建立了汽车变速器噪声故障诊断专家系统知识库.

the system can display sound frequency (= how often sounds repeat in a recording).

该系统可显示声音频率。

for different porous aluminum alloys, the change of sound absorbent coefficient with sound frequency is basically same.

减小孔隙尺寸和增加孔隙率，多孔铝合金的吸声系数增大。

this article is an article which designs about the digital stereo sound frequency modulated transmitter software.

本文是关于数字立体声调频发射机软件设计的文章.

Under the high-frequency, high power sound radiation conditions, the mechanical strength of thin disk get insufficient. Then the thick disk is a good choice because it possesses advantages of small transverse dimension and high frequency.

在高频、大功率声辐射条件下，薄盘的机械强度显得不足，这时厚圆盘是个不错的选择，因为它横向尺寸不大，频率又高。

Adding the airspace can improve the sound absorption properties under low frequency.

增加空腔可以提高材料在低频的吸声性能；

The common color television picture intermediate frequency ( PIF) signal with sound intermediate frequency ( SIF) signal are handled in the same passage, and the way of the adoption line alternation scanning to dissolve the big area in picture gleams phenomenon.

普通彩色电视机图像中频信号和伴音中频信号是在同一通道中进行处理的，并采用隔行扫描的方式来消除图像大面积闪烁现象。

The three-dimensional sound graph may show the relations among time 、 frequency and intensity, which can be selected to show in color or monochrome mode. A movable cursor is set up to select and show two-dimensional analysis graph of frequency and intensity at some time arbitrarily.

三维声图可显示时间、频率与声强的关系，可以选择彩色或灰度显示，并设一可移动光标，可任选显示某时刻频率与声强二维分析图。

RESULTS: The contact quotient of vocal fold gradually decreased along with the increase of audio frequency at thoracic sound area in all testees with significances.

结果：全部受试者在胸声区随音频由低到高发音，声带接触率逐渐下降，差异具有显著性意义；

The playing sound of guitar will persist a long time and provide chord tone when the natural frequency of guitar structure couples well with that of the strings.

当琴身结构固有振动频率与琴弦振动频率耦合时，弦振声易产生声波持续时间长、且具有和弦音的效果。

Standard sound spectrum of low-noise tire and its frequency band conversion

低噪声轮胎标准谱线及其频带转换

At low frequency, this equation can be simplified to the stereo law of sines, but as the frequency increases the sound image position has reference to frequency.

新的公式在低频时将简化为通常的正弦定理，而随着声音频率的增加，声像位置将与声音的频率有关。

We know light waves are different in frequency just as sound waves are.

我们知道光波像声波一样在频率方面是不同的。

Auditory fusion frequency ( AFF) of impulse sound and paired pitch in 80 workers exposed to noise and 60 non exposed ones were measured to study the relationship between AFF and auditory fatigue.

为探讨闪声融合频率与听觉疲劳的关系，测量了80名接触噪声工人和60名非接触噪声人员的脉冲声和双音调闪声融合频率。

The relationships between the ultrasonic field parameters and the rate of scale control are studied, of which the frequency, sound intensity, irradiation times and pulse width are the major factors influencing the scale rate, while the intermittent rate is the next factor.

实验研究了超声场参数与防垢率之间的关系，其中频率、声强、辐照时间和脉冲宽度是影响防垢率的主要因素，而间歇比为次要因素。

This paper presents the way of the structure and analogy circuitry of a sound box working in inverse-phase type and the usages of the assistant soft for sound box in low frequency design.

介绍了倒相式音箱类比成集中参数等效电路的方法和音箱低频特性计算机辅助设计软件及其使用方法。

INTERVENTIONS: The pronunciation with different audio frequency at thoracic sound area of 120 normal subjects were examined by EGG.

干预：利用电声门图对120例正常人在胸声区以不同音频发音进行检测。

The scrooping sound of silk mainly depends on F-V and S-S vibrations and belongs to lower frequency sound. The effect of S-C vibration is very small.

2丝鸣鸣音主要取决于F-V及S-S振动，属中低频音，S-C振动对鸣音的影响极小。

The Principle of Frequency Weighting for Sound Recording and Reproducing in Motion-Picture and Television

影视录还音的频率加权原理