中国最大的综合性文献数据库 -维普资讯 关键词: 音频编码 定点实现 非线性量化 比特率控制[gap=790]Key words: audio coding; fixed-point implementation; nonlinear quantization; rate control
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In this paper, we mainly study a kind of multirate nonlinear sampled-data control systems, and discuss the stability properties of its solution while its sampler produces quantization during sampling.
本文主要研究一类多步长非线性采样控制系统，探讨系统进行采样过程中产生量化误差的情况下其解的稳定性质。
Hamiltonian of magnons system was simplified by the second quantization method presented by Holstein and Primakoff. The nonlinear interaction term of Hanitltonian was dealt with by mean theory.
采用霍尔斯坦和普里马科夫提出的二次量子化方法把磁振子系统的哈密顿量简化，并应用平均场理论处理了哈密顿量中的非线性相互作用项；
DCT coefficients were quantized through nonlinear scalar quantization and entropy coding.
变换系数采用非均匀标量量化和熵编码。
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