| 1. | Shannon limit explanation on the unb modulation
超窄带调制的乡农极限解释 |
| 2. | Construction of low - density parity - check code approaching the shannon limit
构造接近香农极限的低密度校验码 |
| 3. | In awgn channel , this paper gives the shannon limit analysis of bfsk coherent detection
本文还对bfsk信号相干检测在awgn信道模型下的香农限进行了分析。 |
| 4. | Ldpc codes and turbo codes are similar in many aspects , both can extremely approach to the shannon limits by their unique ways
Ldpc码的重新发现是继turbo码后在纠错编码领域的又一重大进展。 |
| 5. | This paper gives the shannon limit analysis and numerical results while the modulation is bpsk . the numerical results of different coding rate are shown
本文对bpsk信号调制格式下的香农限进行了理论分析和数值求解。 |
| 6. | Shannon limit is the limit of communication resource utilization . the main aim of coding is to construct the practical codes to approach the shannon limit
香农限是通信资源利用率的极限,编码的目标是构造实用的逼近香农限的码。 |
| 7. | The conclusion is made that in the same case , the shannon limit of bfsk based on coherent detection is 3db more than that of bpsk in bsc channel
通过本文的分析可以得到结论,同样条件下, bfsk信号相干检测时的香农限比bpsk信号在bsc信道模型下的香农限多出3db 。 |
| 8. | 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。这种码具有实现复杂度低和数据吞吐量高的优点。 |
| 9. | Low density parity check codes are a class of linear block error - correcting codes that can be defined by the very sparse parity - check matrix . their error performance approach shannon limits
Ldpc码(低密度校验码)是一类可以用非常稀疏的奇偶校验矩阵定义的线性分组纠错码,具有逼近香农限的性能。 |
| 10. | Conventionally , dtv systems adopt coding schemes such as rs or convolutional codes , or concatenated codes , where the error correction performance is still quite far away from the shannon limit
通常的，数字电视系统采用的信道编码方案为rs码或卷积码，或二者的级联码，它的纠错性能与香农极限相比，仍有一定的距离。 |
