利用人类视觉系统的纹理掩蔽特性和照度掩蔽特性自适应调整量化间距，以保证水印的透明性。
It utilizes the HVS peculiarity to change the quantization interval adaptively and ensure the visibility of the watermark.
研究了一种不等间距排列的球面相控阵列及其相位和幅度调控量化误差对声场的影响。
This paper provided a new spherical phased array with unequal center to center space between arrays and researched the effect of phased and magnitude quantization errors on the field patterns.
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