Owing to the encoding principle, the outputs of the Photo incremental Rotary Encoder suffer from disorder when its shaft vibrates, especially when rotating slowly or halting.
光电增量式轴角编码器的输出信号由于其编码原理而在慢速或停止时易受轴抖动影响。
In this paper, its hardware structure is introduced as well as its working principle; especially, the performance of video encoding is analyzed.
详细阐述系统硬件设计及工作流程，重点分析了其视频编码的实现。
However, the performance of LDPC code depends on the girth of its bipartite graph, that is it depends on its sparse parity-check matrices H, especially the complexity of encoding with H.
而LDPC码性能的优劣，与其二分图中是否存在短长度的圈有关，也即与其奇偶校验矩阵的构造有关。
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