首页> 外文会议>International Conference on Signal Processing(ICSP'06); 20061116-20; Guilin(CN) >A MLP Network based Adaptive UWB Modulation Scheme Recognizer
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A MLP Network based Adaptive UWB Modulation Scheme Recognizer

机译:基于MLP网络的自适应UWB调制方案识别器

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摘要

This paper proposes an artificial neural network based Ultra-Wide Band modulation scheme recognition algorithm. A three-layer MLP network is designed to obtain the recognition task. The statistical characterization parameters of the UWB signal are extracted as the input neuron parameters of the input layer, and the hidden layer of the MLP network has two layers. Experiments show that the MLP network with tansigmoidal neurons in the hidden layer and with linear neurons in the output layer can achieve good recognition performance. The probability of the correct recognition of the MLP network with proper transfer functions is higher than 95% at 10dB SNR condition. Compared with the traditional pattern recognition and statistics judgment algorithms, the MLP recognizer can achieve higher correct recognition probability and can classify the modulation scheme automatically. The method may be widely used in the design of adaptive coding UWB systems.
机译:提出了一种基于人工神经网络的超宽带调制方案识别算法。设计了一个三层MLP网络来获取识别任务。提取UWB信号的统计表征参数作为输入层的输入神经元参数,MLP网络的隐藏层有两层。实验表明,在隐蔽层中具有类S形神经元,在输出层中具有线性神经元的MLP网络可以实现良好的识别性能。在10dB SNR条件下,正确识别具有适当传递函数的MLP网络的概率高于95%。与传统的模式识别和统计判断算法相比,MLP识别器可以获得更高的正确识别概率,并且可以对调制方案进行自动分类。该方法可广泛用于自适应编码UWB系统的设计中。

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