... frequency filter 频率滤波器 frequency filtering 频率滤波 frequency function 频率函数；频率因数 ...
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The gases, SO_2、NO、NO_2、NH_3, had characters of approximate periods absorption at some wave band. The frequency filtering is introduced to measure the flue gas.
根据气体在局部区域具有准周期吸收特性，提出采用相关频率滤波技术测量烟气浓度的方法。
参考来源 - 紫外吸收光谱和相关频率滤波技术测量燃烧污染气体·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
At the receiver, the modulated optical carrier can be examined from a frequency filter to render target detection.
在信号分析中，有一类强相关干扰在频率上与有效信号相近，能量比有效信号更强，通常所用的频率滤波等方法都难以消除干扰。
In the signal analysis, there is a kind of correlation interference, of which frequency is close to the available signals and its energy is stronger than them.
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。
Chaotic signals at different wavelengths can be generated by adjusting the pump power, modulation frequency and tunable filter, and chaos synchronization is achieved.
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