实验表明嵌入式零材编码方法可以用在非分离型二维子波变换情况，在低比特率时有很好的巅值信噪比PSNR。
The experiment shows that the embedded zerotree coding method can be used in the case of nonseparable wavelet transform and has good PSNR at low compression ratio.
采用一种IIR自适应格型陷波滤波技术，调整陷波器的深度，提高了输出信号信噪比。
The depth of the notch is adjusted by using the adaptive lattice IIR notch filter, so as to improve the SNR of output signal.
结果表明，使用CH151型光子计数探测器作为检测器，灵敏度高，基线稳定，信噪比高。
The results indicated that CH151 photon counter detector showed better selectivity and stable baseline.
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