The Nyquist law is applied to all the conventional compression coding algorithms, which prescribes that the sampling rate must be at least as twice as the signal frequency.
在传统的压缩编码技术中，采样均遵循奈奎斯特定律，该定律规定采样速率要高于原信号频率的两倍。
The stochastic damage constitutional law models of concrete under uniaxial tension, uniaxial compression and biaxial tension compression combination are established.
建立了混凝土单轴受拉、轴受压与双轴拉压组合条件下的随机损伤本构关系模型。
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