Study on Weak Signal Detection Methods

机译：弱信号检测方法研究

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Weak signal detection technology refers to a technology which analyzes the noise's production laws and researches the characteristics and correlation of signals with relevant electronics, physics, information, and computer knowledge and techniques, to detect the weak signals that are submerged by noises. In this paper, the basic principle of weak signal detection is discussed from the improvement of Signal-to-Noise Ratio (SNR) of signal processing system, and also the principles and methods of relevant detection, sample integral, time domain averaging, frequency domain detection, and time-frequency analysis are emphatically analyzed, expecting that different methods can be applied by people in detection according to the signals of different characteristics.

机译：弱信号检测技术是指一种分析噪声产生规律并与相关电子，物理，信息以及计算机知识和技术一起研究信号的特性和相关性，以检测被噪声淹没的微弱信号的技术。本文从信号处理系统信噪比（SNR）的改进出发，探讨了弱信号检测的基本原理，以及相关检测，样本积分，时域平均，频域的原理和方法。着重分析了检测和时频分析，期望人们可以根据不同特征的信号采用不同的方法进行检测。

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《International conference on green communications and networks》|2013年|553-560|共8页
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Shikun Zhu;
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Weak signal detection; Relevant detection; Sample integral; Time domain averaging; Frequency domain detection; Time-frequency analysis;

机译：弱信号检测;相关检测;样本积分;时域平均;频域检测;时频分析;

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2. Anomalous Photoconduction of Low-Temperature Charge-Density Wave in NbS-3-Ⅱ as a Physical Basis of a Method for Detection of Weak Signals [J] . Zybtsev S. G., Pokrovskii V. Ya., Nasretdinova V. F., Journal of Communications Technology and Electronics . 2018,第9期

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3. A novel weak signal detection method for Linear Frequency Modulation signal based on bistable system and Fractional Fourier Transform [J] . Zhao Dazhi, Luo Maokang Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2016,第10期

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4. Study on Weak Signal Detection Methods [C] . Shikun Zhu International conference on green communications and networks . 2013

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5. Development of combined GPS L1/L2C acquisition and tracking methods for weak signals environments. [D] . Gernot, Cyrille. 2009

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6. Using tree-based methods for detection of gene–gene interactions in the presence of a polygenic signal: simulation study with application to educational attainment in the Generation Scotland Cohort Study [O] . Joeri J Meijsen, Alexandros Rammos, Archie Campbell, -1

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7. New detection method of very weak high-frequency wave signals of elctrocardiogram. A study by using subtraction method. [O] . HIDETAKA TOCHIGI 1990

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8. Feasibility Study for the Detection of Weak Electromagnetic Signal/Bursts with Hard-Limited Arrays [R] . Kanefsky, M. , Rajput, A. Q. K. 1981

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Study on Weak Signal Detection Methods

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