The grating can filter signal and permit light with certain wavelength to pass through, and the signal will be reflected which can't go.
光栅对光信号有一定的过滤作用，只允许一定波长的光通过，不能通过的光波将被反射回来。
It would also need good shielding and special electronics to filter the DSSS signal from the radio-noise created by the Earth, the sun and the rest of the galaxy.
同时还需要良好的外层保护和特殊电子器件，从地球、太阳及其太空中传来的无线电“杂音”中过滤出dsss信号。
A large log file is difficult to use because you need to filter out a lot of noise to find the useful signal.
较大的日志文件很难使用，这是因为它们需要过滤大量的噪声才能找到有用的信号。
From this simple lowpass filter, the signal goes to the active tone control stage.
从这个简单的低通滤波器，信号到积极的基调控制阶段。
Using software technology to design correlation filter, the digital filter of vibration signal was realized and the precision and work efficiency was improved.
通过软件的方法设计了相关滤波器，实现了对振动信号的数字滤波，有效地提高了精度和工作效率。
For example, signal conditioning for audio data from a microphone may involve nothing more than grounding the system properly and perhaps using a lowpass filter.
比如，从麦克风采集的音频信号调节可能涉及以上任何接地系统的正确与否以及是否使用低通滤波器。
Compared with the traditional lookup table adaptive filter, the new configuration can synthesize a signal response with a long time delay and has the characteristic of fast convergence speed.
这种新的结构与传统的查表结构自适应滤波器相比，具有复盖较长时延的信号响应和收敛速度快的特点。
The picture elements across a line are converted to the video signal and low-pass filtered with an electrical filter .
沿着一条直线的图象象素被转换成视频信号，然后由一个电子滤波器进行低通滤波。
In the process of digital signal, let the signal through the FIR digital filter, then analyze and build models to get the solution for the dynamic weighing system.
在数字信号的处理中，先对称重信号进行FIR滤波，然后对信号进行分析、建模来得到动态称重系统的解决方案。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区，根据这一特点可以利用DFT方法来实现信号的解调和位同步。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
Because of these, SAW Filter is more and more comprehensively applied in electronic information field, especially in RF signal processing field.
正因为这样，才使SAW滤波器在电子信息领域中得到了越来越广泛的应用，特别是应用于高频端rf射频信号滤波。
On the basis of output of flight imitate system, the driving signal of flight simulation is formed by coordinates transforming, scale limiting, signal washout and filter.
根据飞行仿真模块的输出，通过坐标变换、比例限制、信号洗出和滤波等，形成运动平台的驱动信号。
Usually an inverse filter is designed and convolved with the signal, the objective being to nullify an objectionable effect of an earlier filter action.
通常是设计一个逆滤波器，然后与信号进行褶积，目的是使以前的滤波器对信号的影响变为零。
However, the DYNAS DSP asymmetrical filter response often means the T-4970 will have difficulty locking on to a DX signal above or in between the local signal (s).
然而，DYNASDSP的不对称滤波器响应往往意味着的T- 4970将很难锁定到一个以上的DX信号或信号之间的地方(第)。
Signal filter: signal filters can be useful in a number of circumstances, such as when spurious noise is inadvertently added to the signal as it travels through the switch.
信号滤波：在许多的环境下，信号滤波是非常有用的，例如当信号通过开关时会加入寄生噪声时。
It contains four main modules: signal producing and simulating, FFT, digital filter and basic mathematical operation.
可分为四个主模块：信号来源模块、滤波处理模块、FFT模块和序列基础运算模块。
The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
结果表明：应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
Filter is used to process signal in frequency domain and able to improve the performance of AMB control system.
滤波器用于对信号进行频域上的变换处理，可用于改善磁力轴承控制系统性能。
If input sigmal is supwrimpsed with high-frequency noise use a low-pass filter in the input signal line.
若输入信号伴随高频干扰，应在线里用高频过滤器。
Therefore, the filter design of digital signal processing is the basic problem.
因此，滤波器的设计问题也是数字信号处理中的基本问题。
The signal was processed through filter, division correction and differential amplifier circuits.
通过滤波、除法矫正和差动放大等电路对信号进行处理。
The system includes mixer module, the abstracting filter module and the signal producing module.
其中包括混频器模块、抽取滤波器模块、信号产生器模块。
The digital filter was done to the output signal of the analog ultrasonic sensor.
对模拟量超声波传感器的输出信号进行了数字滤波。
In the design of filter, especially for the real time signal processing, the demand on the filter performance is not as high as that on the filter velocity.
在滤波器设计中，特别是实时信号处理场合，有时对滤波器的性能要求并不高，但对处理速度要求高。
The scheme also adopts tracking differentiator to filter the signal.
并采用跟踪-微分器对信号进行了滤波。
The scheme also adopts tracking differentiator to filter the signal.
并采用跟踪-微分器对信号进行了滤波。
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