We found modified min-sum algorithms can tremendously reduce the computational complexity, while keeping the performance degradation less than 0.2dB.
通过仿真发现,两种修正最小和算法在大大降低计算复杂度的同时,性能损失不大于0.2dB。
参考来源 - 准循环低密度校验码译码器的FPGA实现·2,447,543篇论文数据，部分数据来源于NoteExpress
最小和算法具有简单、容易实现的特点，但使译码性能较大幅度地降低。
Minimum sum algorithm is very simple and is easy for hardware implementation. But the decoding performance is degraded.
哈希非常类似于指纹，通过构建哈希算法，即使是源中的最小更改也会产生完全不同和不可预知的哈希值。
A hash is very much like a fingerprint and the hash algorithm is constructed so that the smallest change in the source produces a completely different and unpredictable hash value.
然后通过梯度下降法和最小二乘法相结合的混合学习算法，对控制器参数进行调整以提高其控制精度。
Then some parameters of the controller are modulated by hybrid learning algorithm of ladder descent (LD) and least square error (LSE) so as to attain better control precision.
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