error correction code

The Error Correction Code was unable to correct errors on this media. The restore has been canceled.

错误更正码无法更正该媒体错误。还原操作被取消。

Within a certain range of SNR, error correction code can correct error effectively, and improve system performance.

在一定信噪比范围内，纠错码可以有效进行纠错，改善系统性能。

At the same time, use error correction code can improve the self-recovery ability of the whole image. ( 2) Improve a region-based medical image lossless watermarking algorithm, adding tamper recovery part.

同时使用纠错码的纠错特性提高图像整体的自修复能力。（2）在基于区域的医学图像无损水印算法上进行改进，增添篡改恢复功能。

In this paper, the background of turbo codes are firstly introduced, which includes the base principle of Error Correction Code 、 Block code and Convolutional code;

本文首先介绍了Turbo码的背景知识，包括差错控制的基本原理、分组码和卷积码；

Low density parity check ( LDPC) code, which is a special case of error correction code with sparse parity-check matrix, has the performance very close to the Shannon Limit.

LDPC码是一种特殊的具有稀疏校验矩阵的纠错编码，其性能逼近香农限。

After analyzing FEC/ ARQ transmission mechanism, we propose a novel transmission mechanism of AFEC ( Adaptive Forward Error Correction) code in this paper in order to improve the jitter performance of FEC coding on the client end.

在分析了FEC/ARQ传输机制的基础上，为了提高FEC编码在抖动参数上的性能，在本文中提出了一种改进的自适应FEC（AFEC）传输机制。

An RS code is twice powerful at erasure correction than at error correction.

里德所罗门码对[抹除]的更正能力是一般错误的两倍.

Secondly, it introduces the frequency selection, EMC ( Electromagnetic Compatibility), the basic generation theory and modulation of the third civil signal ( L5 signal), including LS ranging code, Forward Error Correction, QPSK modulation and Neuman.

其次，介绍了其信号的频段选择、电磁兼容性及其调制和产生的基本原理，包括L5测距码、卷积码、QPSK调制以及Neuman。

By utilizing error correction code, the robustness of robust watermark is improved.

两类水印均实现了盲提取,且算法是公开的.