用“LDPC”造句大全，LDPC造句

Research of LDPC Decoding Based on Modified LLR BP Algorithm

Application Research of LDPC in Free Space Opticl;

LDPC check matrix function claims that can be generated in accordance with the corresponding distribution check matrix, for a very long code length LDPC.

Design and implementation of a high-throughput decoder for multi-rate LDPC code

The Research on the Concatenated LDPC Coding and Space-Time Multiple Input Multiple Output System for Wireless Communications;

Study on the Construction Method of Quasi-Cyclic LDPC Codes Based on Progressive Edge-Growth (peG) Algorithm

Performance of Optical Wireless Communication System Basing on the Sub-Carrier PSK Intensity Modulation and LDPC Code

針對此係統,提出了簡化的LDPC碼編碼調製譯碼初始化算法。

矩陣LDPC碼不同於現有其它結構LDPC碼的獨特之處在於，對碼長和碼率參數的設計具有高度靈活*，使其能與現有標準兼容。

提出了一種基於置換矩陣的非規則低密度奇偶校驗（LDPC）碼的校驗矩陣設計方法。

中短長度LDPC碼在採用BP算法譯碼時，由於短環的存在會導致某些比特llr值出現振盪現象，從而影響了譯碼*能。

Design of Array LDPC Decoder

Principles and Code-Design of LDPC Codes;

Research on the Turbo, LDPC Encoding/Decoding and Implementation of LDPC Decoding;

Modified LDPC BF Decoding Algorithm Based on Reliability Ratio

A Semi-Random Construction of Linear Encoding LDPC Codes and Its Simulation

QC-LDPC codes constructed by circulant permutation matrices will lead to inevitable cycles, named balanced-cycles.

For short and middle length LDPC codes, the oscillation of LLR owing to cycles degrades the performance of BP algorithm.

水印嵌入之前進行隨機置換與LDPC編碼增強了水印抗攻擊能力。

*結果表明：中短幀情況下，由PEG因子圖編碼的四進制LDPC碼的*能明顯好於隨機編碼的四進制LDPC碼的*能。

對準循環Q矩陣和完全循環差集進行了研究，在此基礎上提出了一種LDPC碼碼族的代數構造方法

An FPGA Implementation of QC-LDPC Decoder

Performance of LDPC-Coded IDMA System;

Research on the Hight Efficient Encoding/Decoding Technique for LDPC Codes and Serially Concatenated LDPC/Convolutional Codes;

Research and Improvement on IRA-LDPC Decoding Algorithm in DVB-S2

Based on some characteristics of decoding and error-floors of low-density parity-check (LDPC) codes, an approach of adding vertical parity-check blocks to original LDPC blocks over GF (2) is proposed.

Density evolution (DE) is one of the most powerful tools for analyzing the performance of low-density parity - check (LDPC) codes.

針對已有ARA碼譯碼複雜度較高的問題，結合空間通信的特點，構造了一族新的基於原型圖的碼率兼容LDPC碼。

An improved BP quantum LDPC decoding algorithm

According to Chen's master thesis, LDPC coded MIMO using interblock memory outperform LDPC coded MIMO without interblock memory in some short code-length conditions.

LDPC碼校驗矩陣聲稱函數，可以根據度分佈生成相應的校驗矩陣，適用於碼長很長的LDPC。

該譯碼器可兼容多種碼長、多種碼率的LDPC碼，因此只需要設計一個譯碼器，就可以完成對具有相同列重的不同LDPC碼的譯碼。

Researches on Simple-encoding LDPC Codes

Principles of the Codec for LDPC Codes and Its Hardware Implementation;

And in the last section of chapter3, we present a "quasi-cyclic LDPC based" code division scheme, which can be possibly applied to the adaptive coding.

Research on Joint Source-Channel Coding Using LDPC Code;

討論了準循環低密度校驗碼(QC - LDPC)在淺海水聲信道中的實現方案。

Digital AGC input-matching circuit for soft-decision LDPC Decoders

一百而LDPC碼*能的優劣，與其二分圖中是否存在短長度的圈有關，也即與其奇偶校驗矩陣的構造有關。

Shift Auto-Correlation Frequency Offset Correction of MIMO-OFDM System in Frequency Domain and LDPC New Parameter Decoding;

在用循環置換矩陣構造準循環LDPC碼時會出現一類無法消除的環，稱爲平衡環。