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This code plots the receiver operating characteristics (ROC) curve for Rayleigh channel. The formulas for the probability of detection and the probability of false alarm are taken the following paper:
Digham, F.F. Alouini, M.-S. Simon, Marvin K.,
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,在强干扰中提取信号,不仅要求有一定的信噪比,而且必须对信号作恒虚警处理.在自动检测系统中,对一定的检测门限来说,当干扰电平增大几分贝,虚警率就会大大增加,致使显示器画面饱和或计算机过载,这时即使有足够大的信噪比,也不可能做出正确的判决.为此在自动检测雷达中,必须具备恒虚警处-, extracting signal in strong interference, not only requires a certain signal-to-noise ratio, and must make co
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Energey Detection ROC plot. Probablity of detection vs Probablity of false alarm.
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雷达基础知识，主要有脉冲压缩，型心算法，检测概率和虚警率等方面的仿真-Radar basics, there are pulse compression, core simulation algorithms, probability of detection and false alarm rate and other aspects of
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在matlab7.4基础上实现恒虚警检测,包括单元平均CFAR检测实例过程，杂波边缘虚警性能，GO-CFAR等-Achieve CFAR in matlab7.4 basis, including cell averaging CFAR detection instance procedure, clutter edge false alarm performance, GO-CFAR, etc.
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应用在认知无线电频谱检测中。环境：经过加性白噪声的信号。功能：求解虚警概率和漏检概率。-Used in cognitive radio spectrum detection.Environment: after additive white noise signal.Function: to solve the false alarm probability and missed detection probability.
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本文提出了一种新的自动换合成孔径雷达（SAR）时间序列检测技术，即广义有序序列分析方法。-This paper presents a new automatic change de-
tection technique for synthetic aperture radar (SAR) time se-
ries, i.e., Method for generalIzed Means Ordered Series Analysis
(MIMOSA). The method comp
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在一定的虚警概率下，检测概率随着信噪比的增大而增大-Under a certain false alarm probability, the detection probability increases with the increase of the signal to noise ratio.
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认知无线电合作感知，合作下的检测和虚警概率关系以及最有门限选择-Cognitive radio cooperative sensing, detection and false alarm probability relations and cooperation under the most threshold selection
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认知无线中的能量检测，仿真了高斯信道和瑞利信道的检测概率、虚警概率与判决门限的关系曲线以及两者之间的关系曲线-The detection probability, false alarm probability and the decision threshold of the Gauss channel and the Rayleigh channel are simulated by the energy detection in cognitive radio.
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simple Energy detection that plot false alarm probability with detection probability
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ofdm Theroretical ecpression of Probability of Detection refer above reference.
thresh = (qfuncinv(Pf)./sqrt(L))+ 1
Pd_the = qfunc(((thresh - (snr + 1)).*sqrt(L))./(sqrt(2).*(snr + 1)))
plot(Pf, Pd_the, r- )
xlabel( probability of false ala
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prob of detection vs prob of false alarm
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This paper is devoted to the coherent detection of target burried in sea clutter, by use of a radar sensor. After reminding the
spectral and statistical sea clutter properties, we present a Constant False Alarm Rate (CFAR) detector, initially devel
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恒虚警检测仿真程序，模拟雷达信号检测。得出虚警概率后，计算发现概率,定义信噪比为幅度比。-CFAR simulation program to simulate the radar signal detection. After obtaining the false alarm probability, calculated that the probability amplitude ratio is defined as the signal to noise ratio.
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A new and robust constant false alarm rate (CFAR) detector based on truncated statistics (TSs) is proposed for ship detection in single-look intensity and multilook intensity synthetic aperture radar data.The approach is aimed at high-target-density
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本程序实现对烟火、火苗的检测，效果非常好，虚警率低，检测概率高，代码很容易看懂的。-This procedure to achieve the detection of smoke and fire, the flames, the effect is very good, false alarm rate, detection probability is high, the code is easy to understand.
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In this paper we uate the performance of cooperative spectrum sensing (CSS) where
each cognitive radio (CR) employs an improved energy detector (IED) with multiple antennas and
uses selection combining (SC) for detecting the primary user (PU) in
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Matlab Energy Detection Simulation to plot Probability of Detection (Pd) vs. Probability of False Alarm (Pf)
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Cognitive radio Energy Detection Simulation to plot Probability of Detection (Pd) vs. Probability of False Alarm (Pf)
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