当采用前向纠错编码时，扩频系统多址容量会明显提高。
The multiple access capacity increases greatly when coded systems are used.
为了保证视频质量，可以采用前向纠错编码(FEC)来提高视频数据传输的可靠性。
For guaranteeing video quality, FEC (Forward Error Correction) can be adopted to improve the reliability of video data transmission.
ALC协议采用发送方分多个组播通道发送数据，通过前向纠错编码来保证数据的可靠性。
ALC protocol sends data through many multicast tunnels and undertakes data reliable by forward error correction (FEC).
该模型依照资源预定协议，并采用混合差错控制方式，将前向纠错编码技术加以完善，增加了重传机制。
This transport model improves forward error correction-coding technology with adding a retransmission function in it. This model bases on both resource reservation protocol and hybrid error control.
本文重点介绍了DVB - S2系统中的三项核心技术：自适应编码调制(acm)、输入适配与新的前向纠错编码技术。
This article mainly introduces three kernel technics. Adaptive Coding and Modulation (ACM), Input Adaptation and a new method of Forward Error Correction.
在中国数字电视广播地面传输标准(DTMB)中，使用了非规则准循环ld P C码(QC-LDPC)作为前向纠错编码的核心部分。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
前向纠错通过一种Reed - Solomon算法和增强FEC编码技术的新颖结合得以实现。
Forward error correction is achieved using a novel combination of Reed-Solomon and Turbo FEC coding techniques.
前向纠错需要占用大量的带宽：这取决于编码速率选择，大量的编码比特和数据比特一起传输。
FEC consumes significant bandwidth: depending on which coding rate is chosen, a number of coding bits are transmitted along with the? Data 'bits.
许多配置不同的编码率的前向纠错方案都可以选用。
A number of FEC schemes are available with different coding rates.
许多配置不同的编码率的前向纠错方案都可以选用。
A number of FEC schemes are available with different coding rates.
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