如果某个量化字长能反映出输出弱信号的变化，输出信噪比主要取决于自适应运算的字长。
If the variation of input weak signal can be reflected by certain word length, the output SNR mainly depends on the word length of adaptive operations.
定量分析了星载合成孔径雷达（SAR）原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响；
The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
提出基于量化噪声功率谱的信噪比（SNR）估算方法。
Offering SNR estimation method based on the quantization noise power spectrum.
给出了两种制作方法的对比实验结果，同时就量化编码误差对CGH信噪比的影响进行了理论分析。
In this paper, the comparative experimental results of two methods are given, and the effects of quantizing and coding errors on the signal-to-noise ratio of CGH are also analyzed theoretically.
结合量化噪声的影响，可定量计算影响信噪比各因素之间的关系。
Taking into account the quantization noise, an approximate formula of the relationship between SNR and other factors is obtained in time domain.
结合量化噪声的影响，可定量计算影响信噪比各因素之间的关系。
Taking into account the quantization noise, an approximate formula of the relationship between SNR and other factors is obtained in time domain.
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