Quantization decoding of QC-LDPC codes is studied. We simulated the decoding performance which is affected by quantitative precision and the scope of quantization.
研究了QC-LDPC码的量化译码，针对高速率的光纤通信系统，仿真验证了量化范围和量化精度的对译码性能的影响。
A variable step uniform quantization(VSUQ) sum-product algorithm(SPA) was developed to reduce the hardware complexity of low-density parity-check(LDPC) code decoding.
为降低低密度奇偶检验码译码的硬件实现复杂度，提出了一种可变步长均匀量化“和积”译码算法。
Error control can be done in any step such as prediction, transform, quantization, VLC, bitstream syntax structure, channel coding, decoding and etc.
差错控制可以在信源编码和信道编码的各个环节进行，如：预测、变换、量化、可变长编码、比特流结构、复用以及解码等。
The special video processing modules include a motion compensation unit (510), means (512) for performing IDCT and inverse quantization, an entropy decoding unit (513) and a filter unit (515).
专用视频处理模块包括运动补偿单元 （510）、用于执行IDCT和反量化的装置（512）、熵解码单元（513）以及过滤单元（515）。
This method connects fractal and vector quantization coding together, during the process of decoding, the only need to check the codebook and to transform the contrast.
由于该方法把分形和矢量量化编码结合起来，因此解码时只需查找码书，并仅进行对比度变换。
This method connects fractal and vector quantization coding together, during the process of decoding, the only need to check the codebook and to transform the contrast.
由于该方法把分形和矢量量化编码结合起来，因此解码时只需查找码书，并仅进行对比度变换。
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