This too causes the waveform to lose energy as well as, in turn, frequency and pitch, resulting in you hearing a distorted, lower tone than what people hear directly from out of your mouth.
这同样使声波能量降低，随之带来音调和音高的降低，使得我们自己听到的声音远低于周围人直接听到的声音。
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 weak intonation is shown in the following features: low fundamental frequency, narrow pitch range, and the rising of boundary tone.
祈使句语气的弱化通常体现在以下几个方面：降低基频、缩小基频范围、以及抬高边界调。
The electromagnetic force decays rapidly in the molten steel, and its decaying speed is related to the current frequency and polar pitch of the stirrer.
在电磁搅拌作用下，电磁力的大小随钢液液池宽度的增加呈指数衰减趋势，其衰减速率与电流频率和搅拌器极距有关。
Its inputs are composed of feedback signals of pitch and yaw angles and Douplar frequency, whose outputs are signals compensating for the seeker command outputs.
它采集导引头俯仰和偏航两伺服通道的角反馈电位计和多普勒频率信号及输出俯仰和偏航两指令通道的补偿信号。
This paper studied the extraction of the pitch and yaw angular errors of the line-of-sight to seeker-axis under the function of MMW step frequency target identification.
本文研究毫米波频率步进目标辨识功能下获取弹目线相对于导引头轴的俯仰及偏航角误差的实现方法。
The dependence of the ac loss of coil-type samples on the peak value of magnetic field, magnetizing frequency, pitch of materials, matrix and diameter of filament were obtained.
得出了线圈型样品交流损耗与峰值磁场、励磁频率，材料扭矩，基体材料，细芯直径诸量间的依赖关系。
This added resistance causes the waveform frequency to drop, lowering the pitch of the sound you hear internally and creating a sort of feedback effect that stimulates the eardrum from both sides.
声波降调的可能性增加，并且随着鼓膜双次振动带来的反馈效应，音高也会随之降低。
The different pitch and the different formant frequency decide the different pitch-scale.
不同的语音音调主要体现在语音的基音周期和共振峰频率的差别上。
High frequency noise of gears is mainly from tooth error and base pitch, and low frequency noise from accumulated errors of tooth spacing.
齿轮高频噪声产生的主要原因是齿形误差和基节偏差；低频噪声产生的主要原因是齿距积累误差。
Smoothing algorithm is exploited to remove the errors of multiple frequency point, half frequency point and random point, and realize pitch curve smoothing.
使用平滑算法消除倍频点、半频点和随机点产生的误差，实现基音曲线平滑。
The acoustic analysis with computer indicated that pitch perturbation and width of frequency in electrolaryngeal voice were approximated to those in normal voice ( P >0.05).
计算机声学分析表明电子喉音的音调扰动值和频带宽度与正常人的喉音比较差异无显著性（P >0 .0 5 ）。
The design of servo system for pitch attitudes of a mine hunting sonar array was made using frequency domain control and variable structure control respectively.
本文对猎雷艇声纳基阵俯仰角姿态伺服系统分别进行了领域法控制律的设计和变结构控制律的设计。
To improve the efficiency of wind power utilization, we employ more and more variable-pitch controllers and variable-speed constant-frequency (VSCF) controllers in wind-power generating systems.
风力发电系统为了更充分更有效的利用风能，越来越多的采用变桨控制系统和变速恒频控制系统。
Then the piecewise PID pitch-controlled algorithm and the control strategy for transition between variable speed constant frequency (VSCF) and pitch control were used in the test-bed.
在此试验台上对提出的分段PID变桨距控制算法以及变速恒频和变桨距切换设定的控制策略进行试验研究。
The improved method based on fuzzy entropy, which analyzed and distilled the weight of speech duration, average magnitudes, pitch frequency, formants and Mel-frequency cesptral coefficients.
分析了发音持续时间、平均振幅、基音频率，第一共振峰和Mel频率倒谱参数，并基于模糊熵理论提取了各参数的权重。
The improved method based on fuzzy entropy, which analyzed and distilled the weight of speech duration, average magnitudes, pitch frequency, formants and Mel-frequency cesptral coefficients.
分析了发音持续时间、平均振幅、基音频率，第一共振峰和Mel频率倒谱参数，并基于模糊熵理论提取了各参数的权重。
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