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包括了基于能量检测方法的信号检测,其中采用M2M4算法进行了噪声方差估计。本程序为MATLAB仿真,可以直接应用。-this program contains the energy-based signal detection method. and the M2M4 method is used to estimate the variance of the background noise.
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介绍了端点检测的基本方法:基于短时能量的、基于短时过零率的、双门限检测的方法-Describes the basic method of endpoint detection: Based on short-term energy, zero crossing rate based on short-term, double threshold detection method
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CR中基于能量检测的频谱感知matlab程序仿真-CR in the detection of spectrum sensing based on energy simulation program
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基于能量检测和周期循环检测的认知无线电频谱检测matlab代码
用周期循环检测算法检测:
首先运行a.m程序,通过此程序运算得出循环频率a值;
再运行zhouqi.m程序,对a值进行确定,通过周期循环算法对信号进行检测;
用能量检测算法检测:
运行nengliang.m检测程序,使用能量检测对信号进行检测。
检测完毕,对检测性能进行分析。
-Cognitive radio based on energy detection spectrum detecti
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基于双门限的能量检测算法,实现在各种信道环境下的仿真-Energy based on double threshold detection algorithm, implemented in various channel environments Simulation
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基于能量检测的双门限频谱检测性能仿真研究-Detection based on energy detection performance dual threshold Simulation of the spectrum
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基于短时能量的语音端点检测 matlab程序
基于短时能量的语音端点检测 matlab程序-Short-term energy-based voice activity detection matlab program
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语音端点检测,以及基于短时能量的语音增强的减谱法,matlab文件。-Voice activity detection, as well as short-term energy-based speech enhancement by spectral method, matlab file.
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VAD检测源代码,可作为声控的启停判断,已经过验证,在使用时修改具体的能量阈值-VAD detection of the source code can be used as voice-activated start and stop judging, has been verified when using modified specific energy threshold
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基于短时能量和过零率的语音端点检测 只能实现单个词的语音端点检测-Based on short-term energy and zero crossing rate of voice activity detection
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简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响. 仿真表明,能量检测法是一种简单、有效的频谱感知方法.-A brief introduction of cognitive radio spectrum sensing based on energy detection method, the analysis and performance of energy detection principle, based on t
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基于单片机的红外检测人体检测节能灯。人体感应及在床检测节能灯,无人状态下,半小时后亮度降为50 ,再半小时后关闭。-Infrared detection of the human body based on single chip testing energy-saving lamps. Human detection sensor and energy-saving lamps in the bed, no state, half an hour later reduced to 50 br
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优秀论文及配套源码。电压暂降是动态电能质量问题中最受关注的热点之一。大量新型电力电子设备的广泛使用对电网电能质量的要求越来越高,而且电压暂降在电网中又具有一定的传播性。因此,无论从电网还是用户都迫切需要对电压暂降进行研究和治理。对电压暂降的检测是解决电压暂降的前提条件,故本论文主要对电压暂降的检测方法进行研究。
本文分析了国内外短时电能质量扰动检测的研究现状,并着重讨论了短路故障、感应电动机启动和变压器激磁三种电压暂降扰动情况下电压暂降的特性;在此基础上选择了基于S变换的短时电能质量扰动检测
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认知无线电中基于能量检测的频谱感知方法研究-Cognitive radio spectrum sensing based on energy detection method
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谱感知是认知无线网络中的一个重要功能,是实现其他功能的基础。研究了新型的基于特征值的感知算法,充分利用随机矩阵的渐近谱分布特性和特征值的收敛特性来设置判决门限,提高感知性能。理论分析和仿真结果均表明,新型算法性能明显优于典型的能量检测算法,克服了能量检测算法的噪声不确定性问题-Spectrum Sensing is an important function in the cognitive radio networks.A new eigenvalue-based detection sche
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Real-time motion detection in video surveillance using a level
set-based energy functional
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基于短时能量的基音短点检测,有基于短时能量的计算方法、短时过零率,有matlab程序,同事对应word讲解,算法原理图,和算法详细介绍。-Short pitch detection based on short-term energy, based on the calculation method of the short-time energy, short-time zero-crossing rate, matlab program, colleagues corresponding w
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基于matlabGUI 的图形化界面,展示了snake能量边缘算法检测,并通过调节参数查看算法效果-MatlabGUI-based graphical interface that shows the snake energy edge detection algorithm, and the algorithm by adjusting the parameters to see the effect of
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Energy detection is a spectrum sensing method that detects the presence/absence of a signal just by measuring the received signal power. This signal detection approach is quite easy and convenient for practical implementation. To implement energy det
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detection energy based on comparative to the sensitive uncertainty factor
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