The analysis indicates that the more quantification bit number, the less RMS error;
分析表明，量化比特数越大，均方误差越小；
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.
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；
Based on the study of the influence of the quantification noise and the gray level noise on target feature image, the error model of the target feature image centroid coordinates is built.
深入研究了灰度噪声、量化噪声对目标特征图像的影响及其误差模型，并由此建立了目标特征图像质心坐标提取误差模型。利用仿真试验分析了灰度噪声、量化噪声导致的航天器间相对状态参数测量的误差分布。
Based on the study of the influence of the quantification noise and the gray level noise on target feature image, the error model of the target feature image centroid coordinates is built.
深入研究了灰度噪声、量化噪声对目标特征图像的影响及其误差模型，并由此建立了目标特征图像质心坐标提取误差模型。利用仿真试验分析了灰度噪声、量化噪声导致的航天器间相对状态参数测量的误差分布。
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