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The receiver performance is quantified by depicting the receiver operating char- acteristics (ROC) curves. This curves serve as a tool to and study the performance of a sensing scheme. ROC graphs are employed to show trade-of vs between detection probability and false alarm rates, (i.e. PD versus PFA), thus allowing the determination of an optimal threshold. To illustrate the performance of energy detectors, we generate complementary ROC curves (the average probability of miss detection $ P_{md} 1 - P_d$ versus the false alarm probability $P_f$ for different receiver structures and in different fading environments.Fig. 1 illustrates the complementary ROC curves for a single channel reception (no diversity) over AWGN channels. This figure depicts the complementary ROC curves for energy detectors.

用matlab演奏音乐《卡农》，非常好的matlab代码(Play music using matlab " Canon" , very good matlab code)

Signals and Systems with MATLAB Computing and Simulink Modeling - Steven T. Karris

使用matlab中的GUI设计的译码器，配有适当的注释，适合初学者。(The GUI design using matlab decoder, with appropriate comments, suitable for beginners.)

The program computes the solution to a Laplace problem by the boundary element method.

基于matlab车辆文字识别处理方法(Matlab vehicles based on text recognition processing method)

说明：  viterbi算法在matlab环境下的具体实现程序。(viterbi algorithm matlab environment in the concrete realization of the procedure.)

在瑞利衰落信道下的回加性高斯白噪声的功率谱密度和概率密度函数(In Rayleigh fading channels back to the additive white Gaussian noise power spectral density and probability density function)

Arduino hx711库文件，在编写程序省去很大力气，很好用的头文件，大力推荐(Arduino hx711 library files, eliminating the need to write programs in a lot of effort, a good use of header files, strongly recommended)

寻找灰度图象分割阈值的matlab程序，图像处理工具(Looking for gray image segmentation threshold matlab program, image processing tools)