音频滤波器?。
The results indicate that the Ag-air structure can be used as a multi-channel frequency filter and spatial filter.
结果表明，可以将该结构设计成多通道频率滤波器和多通道角度滤波器。
At the receiver, the modulated optical carrier can be examined from a frequency filter to render target detection.
在接收端，通过频率滤波实现对编码信号的提取，由编码信号的信号处理实现激光雷达水下目标探测。
We give the basic theory of frequency filtering. In the frequency domain, the work focuses on the adaptive Gaussian frequency filter.
给出了频域滤波的基本原理，重点研究了自适应高斯频域滤波器这一频域滤波算法。
This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.
这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题，而且结构简单。
Using the actual collected radar echo signals, we analyze the ground clutter suppression performance of the adaptive Gaussian frequency filter.
针对实际采集的雷达回波信号，分析了自适应高斯频域滤波器的地物杂波抑制性能。
Since it is a range predicate and there are no frequency and histogram statistics available, the filter factor is calculated with the basic statistics information HIGH2KEY and LOW2KEY.
由于它是范围谓词，而且没有频度和直方图统计数据可用，过滤因子是用基础统计信息HIGH2KEY和LOW2KEY计算得出的。
Frequency statistics are used by the optimizer to calculate filter factors for predicates that check for equality or inequality. For example.
优化器使用频率统计信息来计算用于检查相等或不等的谓词的过滤因子。
Chaotic signals at different wavelengths can be generated by adjusting the pump power, modulation frequency and tunable filter, and chaos synchronization is achieved.
通过调节泵浦功率、调制频率和可调谐滤波器，可以产生不同波长的混沌信号，并实现混沌的同步。
The most important thing to note is that the frequency response function ACTS as a filter on the input force which results in some output response.
最重要的一点要注意，频响函数作为滤波器，作用在输入激振力上，这样得到了某种输出响应。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.
该滤波器在基频处的幅值无衰减，相位无延时，能将2次以上的谐波全部滤掉。
Surfpoeten comes a DIY solution for home Cup-watchers driven to distraction by the stadium horns: a software filter that selectively mutes the particular frequency of the vuvuzela.
德国博客Surfpoeten为在电视机前观看世界杯比赛却被塑料喇叭搅得心神不宁的球迷带来了一个DIY的解决之道：一个能够选择性地消除呜呜祖啦所发出的特定波段的软件过滤器。
Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.
基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。
Therefore, the three pass filter of the filter is the need for regular cleaning of the filter, especially in the field of vehicles often carried water, but should increase the frequency of cleaning.
因此，洒水车的三通滤网的滤芯是需要定期进行清洗的，特别是经常在野外进行取水的车辆，更应加大清理频率。
The automatic filter and automatic frequency compensation techniques introduced by this paper are just for improving the conventional filter and deconvolution methods.
本文推出的自动滤波技术和自动频率补偿技术就是为了改进过去的滤波和反褶积技术所采取的新措施。
Mapped the FIR digital filter design of amplitude frequency characteristic curve.
绘出设计的FIR数字滤波幅频特性曲线。
In this paper, a novel design method of a passband edge frequency continuous adjustable FIR filter is presented.
提出了一种通带截止频率连续可调的低通滤波器的新的设计方法。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
用一低通滤波器和施密特触发器排除高频噪声脉冲。
Noise, High frequency, 8th Order Linear Phase Lowpass Filter.
噪声，高频率，8阶线性相位低通滤波器。
Analog synthesis often use low-pass filter to remove electronic audio generator generated by high-frequency noise.
模拟合成器常常使用低通滤波器来去除电子音频发生器所产生的高频噪声。
An algorithm which USES output of the Fourier filter to measure power system frequency is presented.
提出了一种利用富氏滤波器的输出测量电力系统频率的算法。
The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.
传统的低通滤波方法将图像的高频部分滤除，虽然能达到降低噪声的效果，但会破坏图像的细节。
Due to the frequency pulling of FLL, the passband of the filter in PLL can be made very narrow to suppress the noise, and the PLL can lock carrier's phase with high accuracy.
由于有锁频环的频率牵引，锁相环路滤波器可以设计得很窄，具有很好的抑噪性能，满足精确跟踪载波相位的要求。
This paper describes the application of frequency changer in filter, coal washer and GZG Feeder.
介绍了变频器在加压过滤机、洗煤机、给料机中的应用。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
The center frequency tunability characteristic of the filter is investigated as well.
研究了该滤波器的中心频率的可调谐特性。
The center frequency tunability characteristic of the filter is investigated as well.
研究了该滤波器的中心频率的可调谐特性。
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