... 高频凿岩机 high-frequency rock drill 高频噪声 high-frequency noise 高频增益降 {半} high-frequency gain fall ...
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特高频噪声 canaries
高频噪声音频 HF channel noise
电子管高频噪声测试仪 electronic tube HF noise tester
低噪声高频放大器 LNA
高频头称低噪声降频器 LBN
Then, a low-pass filter is designed in the DCT transform domain. High frequency noise is eliminated through the dynamical cut-off frequency of filter.
然后在DCT变换域内设计一个低通滤波器,通过动态设计滤波器的截止频率消除高频噪声。
参考来源 - 基于导频的OFDM系统的信道估计算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
用一低通滤波器和施密特触发器排除高频噪声脉冲。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
目的探讨中低强度高频噪声对作业人员心电图的影响。
To explore the effect of medium and low intensity noise on the electrocardiogram of the workers.
目的探讨中低强度高频噪声对作业人员心电图及听力的影响。
Objective to explore the changes of electrocardiogram (ECG) and hearing on the workers exposed to medium or low intensity noise.
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