目前已出现多种数字水印算法,典型的水印算法有空域算法、变换域算法、小波域算法、超小波域算法等。
There are so many digital watermark algorithms at present. The typical examples are the airspace algorithm, transform domain algorithm, wavelet domain algorithm and beyond wavelets algorithm.
实验证明,基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时,表现出了优良的率失真性能。 并且算法复杂度适中,具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
本文采用超动态应变测试系统,实测了小药量条形药包在岩石模型中爆炸产生的应变波,对测试到的耦合装药加载条件下介质中区产生的轴向和切向爆炸应变波信号进行了分析。
In the paper, experiments in testing blast strain waves, generated from the explosion of some small cylindrical charge, were carried out in rock model using the ultra-dynamic strain testing system.
本文采用超动态应变测试系统,实测了小药量条形药包在岩石模型中爆炸产生的应变波,对测试到的耦合装药加载条件下介质中区产生的轴向和切向爆炸应变波信号进行了分析。
In the paper, experiments in testing blast strain waves, generated from the explosion of some small cylindrical charge, were carried out in rock model using the ultra-dynamic strain testing system.
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