平时所说的多少“位”声卡，实际上是指声卡的采样位数（Sampling Resolution）。而采样位数是指每个采样点所代表的音频信号的幅度值，然后用二进制数表示，这里的二进制数的位数即为采样位数。
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pyramid resolution sub-sampling 金字塔式亚采样
Experimental results on real medical images indicate that the measurement is not sensitive to noise and low sampling resolution and can effectively improve medical image registration precision.
仿真实验结果在验证分析结果的同时也表明，方法对图像噪声、分辨率等具有较高的鲁棒性，可有效提高配准的精度。
By compensating with P-type bootstrapped switch, this circuit can overcome nonlinear distortion, which is generally introduced by signal-dependent on-resistance, and improve sampling resolution.
采用P型栅压自举开关补偿技术，可以有效地克服采样管导通电阻变化引入的非线性失真，提高采样精度。
Compared with traditional inverse Fourier transform method, which used zeros padding method, at the same condition of sampling resolution, the method proposed could decrease the calculation load.
与传统的数据长度补零逆傅里叶变换方法相比，在相同的采样分辨率条件下，该方法能有效减小计算量。
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