实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally.
对AM信号进行峰值采样可以直接获得基带信号的信息，对PS K信号进行变频采样可以降低其载波频率。
By peak value sampling the information of baseband signal can be obtained from an am signal directly. By frequency conversion sampling the carrier wave's frequency of a PSK signal can be cut down.
对AM信号进行峰值采样可以直接获得基带信号的信息，对PS K信号进行变频采样可以降低其载波频率。
By peak value sampling the information of baseband signal can be obtained from an am signal directly. By frequency conversion sampling the carrier wave's frequency of a PSK signal can be cut down.
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