... 热离子噪声 thermionic noise 热离子管 thermionic tube [valve] 热离子功函数 thermionic work function ...
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Averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on.
对由于图像采集、传输、量化过程中产生的热电子噪声，利用了邻域平均和加权中值滤波方法来有效地减小。
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