And it turns out that my left ear’s hearing is noticeably weaker in certain frequencies—it has what ear docs call the “noise notch” that afflicts those exposed to serious sound.
原来我的左耳对某些频率的声音特别不敏感——这就是医生们所说的“噪音空隙”，它们困扰着那些在噪声下工作过的人们。
Notch filter for external noise suppression.
陷波滤波器外部噪音抑制。
On the right side is the Micro SIM slot and another notch in the band at the bottom, and up top there's the power / sleep button, headphone jack, another notch, and new noise-canceling microphone.
另一边是MicroSIM插槽和位于底部金属带中的缺口。顶端是电话和休眠按钮，耳机插口和另外一个缺口，以及新的降噪音麦克风。
For RFI and narrowband noise interferences, this dissertation studies notch filter and spectrum equilibrium and USES them to suppress narrow jammings in signal domain.
对于RFI和窄带噪声干扰，本文研究了频域陷波和谱均衡两种方法，并将之应用到信号域来抑制窄带干扰。
The Adaptive IIR notch filter has been widely used in many signal processing applications, especially in the estimation of the sinusoid component with unknown frequency buried in noise.
自适应IIR陷波器在许多不同的信号处理场合，尤其在估计淹没在噪声中的正弦波频率方面得到广泛应用。
The paper presents a new method used for optimizing array directional patterns, which is called notch noise-field method.
本文介绍一种处理传感器阵方向图最佳化问题的新方法，即所谓凹槽噪声场法。
During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.
在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。
During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.
在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。
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