linear encoding中文什么意思

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The efficient encoding problem of ldpc codes is discussed in detail , and the reasons that tornado codes and repeat accumulate codes are linear encode - able and the relationships between them and efficient encode - able ldpc codes are presented . two constructions of linear encode - able ldpc codes are brought up and their performances under awgn channels are simulated
對低密度校驗碼的快速編碼問題進行了深入研究，指出了旋風碼和重復累積碼能夠達到線性編碼的原因及其與可快速編碼的低密度校驗碼之間的關(guān)系，提出了兩種可線性編碼的低密度校驗碼的構(gòu)造方法并對其在高斯信道下的糾錯性能進行了仿真。
At the same time , a novel approach to construction of ldpc codes based on the permutation matrix was proposed which got a parity check matrix with the shortest girth is 6 . these codes keep the advantage of linear encoding and become more flexible . simulations show that the performance of short length codes of this kind is as excellent as other ldpc codes
同時提出一種基于置換陣循環(huán)移位的構(gòu)造方法,得到的校驗矩陣圍長至少為6 ,且保持編碼的線性復雜度,碼率靈活,仿真結(jié)果驗證了置換陣ldpc碼碼長較短時,在高斯信道下性能接近或超過現(xiàn)有其他構(gòu)造方式的ldpc碼。

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