Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Modern wireless communication requires that the frequency synthesizer should have fast settling time, small channel width and low phase noise.
现代无线通信要求频率综合器同时满足快速切换时间，小信道宽度和低噪声性能三方面的要求。
Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.
实验表明，脉冲压缩可有效增加浅海低频声脉冲的传输距离，信道匹配可用于消除多途对脉冲信号检测信噪比的影响。
Extremely low leakage current, standard size. Used in TVs frequency channel conversion or weak signal import loop circuits.
良好的低漏电特性，标准尺寸。适用于电视机频道转换或小信号输入回路。
It cart be combined with the general-purpose oscilloscope to realize non-fade mode display, waveforms freeze, and series mode display for 4-channel biological signals or ultra-low frequency signals.
该装置与通用示波器配合，即能对四路生理信号或超低频信号实现非消隐显示和波形的“冻结”、串接等显示功能。
It cart be combined with the general-purpose oscilloscope to realize non-fade mode display, waveforms freeze, and series mode display for 4-channel biological signals or ultra-low frequency signals.
该装置与通用示波器配合，即能对四路生理信号或超低频信号实现非消隐显示和波形的“冻结”、串接等显示功能。
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