编码信号可以包括软判决信号。
介绍了软判决译码和消息传递的基本思想;
The principles of soft decoding and message passing are discussed.
本文采用遗传算法实现快速软判决译码(GSD)。
In this paper, a fast soft decision decoding using genetic algorithms (GSD) is presented.
软判决输出值反应了原信号相对应数字值的置信度估计值。
The soft decision output value reflects a measure of confidence of the value of the corresponding digit of the original signal .
论述一种基于软判决反馈迭代译码的比特交织编码调制方案。
A bit interleaved coded modulation (BICM) scheme was introduced, with iterative decoding using soft decision feedback.
提出了一种多码元差分检测与软判决译码相结合的解调译码方案。
This paper proposes a demodulation and decoding scheme, which combines multiple symbols differential detection with soft-decision decoding.
提出了一种多码元差分检测与软判决译码相结合的解调译码方案。
The paper proposes the application of nonredundant error correction in differential demodulation combined with soft-decision decoding.
LDPC码的译码算法主要分为两类:硬判决算法和软判决算法。
There are two types of LDPC codes decoding algorithms: hard decision algorithms and soft decision algorithms.
结果表明:在短波衰落信道上进行数据传输时采用软判决检测可以大大提高系统性能。
According to the result of data error code experiment, white noise experiment and SW communication on spot experiment, the quantitative analysis of soft judgment detection on SW signal is presented.
论证了软判决译码对短波信道性能的改善,给出几种复杂程度较低的实用软判决编译码方案。
The soft judgment decoding which improves the features of short wave channels is elaborated. Several less complicated practical soft judgment decoding schemes are given.
针对通信系统中非线性均衡器的计算复杂度问题,提出一种基于最低误码率准则的多级软判决均衡器。
A multistage soft decision equalizer based on minimum bit error rate principle is proposed in this paper for reducing computational complexity in communications.
基于双多进值正交扩频系统非相干解调的硬判决信息不利于软输入软输出译码,提出了一种新型软判决信息提取算法。
This paper presented a novel decision scheme with soft output for SISO decoding when noncoherent receiver for dual M-ray orthogonal spreading symbols is employed.
实验结果表明,软判决检测的比特错误率普遍低于硬判决检测的比特错误率,在高斯噪声情况下,甚至能低0.169。
Experimental results indicate that the Bit Error Rate (BER) of soft-decision detection femains lower than that of hard-decision detection, even 0.169 lower in gaussian noises.
深入研究了数字电视地面广播COFDM解调方案中的解映射软判决技术,提出了适用于该系统的信道状态信息CSI提取方法。
This paper investigates the soft decision of de-mapping technique in COFDM de-modulation scheme. It proposes a new method suitable for the scheme for extracting CSI from communication channel.
提出了一种适用于所有M-QAM软判决解映射的简化算法,并将其扩展到不对称的二维QAM解映射中,如DTMB中的32-QAM。
A new simplified soft-output demapping algorithm for M-QAM is proposed in this paper, and the method is expanded to unsymmetric 2-D QAM demapping such as 32-QAM in DTMB.
在分布式检测系统中,对于融合中心采用软判决融合的情况,大多数研究都假定各传感器的量化位数相同,而没有考虑各传感器量化位数之间的关系。
Most researches assume that the quantization bits of all sensors are identical for distributed detection system adopting soft decision fusion, and ignore the relationships among them.
针对经典决策层融合检测过程中本地“硬”判决导致的信息损失问题,利用模糊子集理论,提出了一种基于模糊“软”判决的融合检测方法。
A novel fusion scheme is presented based on fuzzy sets, considering the problem of information loss resulting from local "hard" decision during the traditional decision layer fusion process.
针对经典决策层融合检测过程中本地“硬”判决导致的信息损失问题,利用模糊子集理论,提出了一种基于模糊“软”判决的融合检测方法。
A novel fusion scheme is presented based on fuzzy sets, considering the problem of information loss resulting from local "hard" decision during the traditional decision layer fusion process.
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