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利用duffing振子检测微弱信号频率的matlab程序。可以检测与周期策动力频率相差0.03之内的微弱信号频率。信噪比达到-68db-use Duffing oscillator frequency detection of weak signals in Matlab procedures. Can be detected with the cycle driven frequency difference of 0.03 within the weak signal frequency.
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二维相干技术在微弱信号检测中的应用等一些有用的PDF,大家下载哦,很有用的-Coherent two-dimensional technique in weak signal detection applications, such as some useful PDF, download the U.S. Oh, very useful
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微弱信号检测 信号分析 检测原理方法PPT -Weak signal detection method of signal analysis for detection principle PPT
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微弱电流信号检测原理与应用实例
微弱电流信号检测原理与应用实例-Weak current signal detection theory and its application
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晚期瞬变电磁信号是大参数、 多频率、 且各频率分量未知的电磁信号， 特别在晚期还是强噪声背景下的微弱信号． 随机共振系统可以在极限信噪比的情况下提取微弱信号， 但仅适用于小参数、 单一频率或频率已知的高频信号的情况． 为此， 本文提出一种基于尺度变换的随机共振算法用于检测晚期瞬变电磁信号， 该方法充分利用了随机共振检测弱信号的优势， 通过引入尺度变换， 消除了随机共振系统对待测信号频率的限制， 在绝热近似理论下，实现了从强噪声中提取出微弱晚期瞬变电磁目标信号．-Transient Electro
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Bit Loading
The amount of bits that can be carried per channel depends upon the SNR at that particular frequency, lower SNR levels may need more power to transmit data and since each frequency is subject to an overall power limit, those frequencies
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基于Duffing振子的微弱正弦信号检测。-The weak sinusoidal signal detection based on Duffing oscillator.
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微弱信号检测
加法电路
信号处理
c++编译-Weak signal detection
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滚动轴承故障诊断是机械故障检测中一个重要方面。使用小波包分析和包络分析相结合的方法提取轴承微弱振动信号, 克服了传统包络分析方法易丢失信号有效成分的缺点。包络信号的细化谱较好体现了轴承故障信息。-Bearing Fault Diagnosis of mechanical fault detection in an important aspect. The use of wavelet packet analysis and envelope analysis method of combini
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The MST717 is a highquality ASIC for NTSC / P AL car TV application. It receives analog NTSC / P AL CVBS and
S-V ideo inputs from TV tuners, DVD or VCR sources, including weak and distorted signals, as well as analog RGB
input from GPS systems.
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光电倍增管检测电路的设计，要求，电路例子。用于弱光电的检测与信号处理。-Photomultiplier tube detection circuit design, requirement, circuit examples. For weak photoelectric detection and signal processing.
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采用遗传算法的自适应随机共振系统弱信号检测方法研究-Adaptive stochastic resonance system weak signal detection method using genetic algorithms
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基于随机共振原理的大频率微弱信号检测方法研究-Research large frequency weak signal detection method based on the principle of stochastic resonance
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弱信号检测领域中随机共振的理论及应用研究-Theoretical and applied research in the field of weak signal detection stochastic resonance
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随机共振方法在弱信号检测中的应用.pdf-Application of stochastic resonance in weak signal detection
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用于微弱信号检测的随机共振系统设计.pdf-Weak signal detection for stochastic resonance system design
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心脏向外泵血引起与心跳同步的身体的震动,产生体震信号,其规律与心率相关,可在脊椎轴上通过敏感的力传感器检测出来.体震信号微弱且易受干扰,针对此特点设计了传感器电路和信号处理电路,说明了检测方法.所获得的原始体震信号先经预处理去除噪声,再应用模极大值算法得到每个心动周期中的峰值点,最后求得心率.采集体震信号时,同步采集一路单通道心电信号作为基准,评价测量的准确性.实验结果表明,基于体震信号的心率测量方法获得了良好的效果.-The heart to pump blood out of the bod
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参数可调节的随机共振系统对微弱信号的检测-Parameter Adjustable Random Resonance System for Weak Signal Detection
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