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Abstract:Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become
the main form ofnoise jamming at present。because the wideband was gained by it.Tne spectnlnl ofnoise FM
jamming is analyzed by time domain autocorre
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超宽带无线通信,频域接收机实现程序,带有仿真图,Ultra-wideband wireless communications, frequency-domain realization of the procedures receiver with simulation map
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传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此我们需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。
-Wideband signals in the traditional sinusoidal interference suppression method is to use a notch filter (notch fil
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正交频分复用的调制解调:实现了mb-ofdm的基带超宽带信号调制解调-Orthogonal frequency division multiplexing of the modulation and demodulation: the mb-ofdm of base-band ultra-wideband signal modulation and demodulation
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这篇英文文章讲述利用频域不变形性进行宽带信号DOA估计的理论和方法-This article about the use of English is not the deformation of the frequency domain for wideband signal DOA estimation theory and method
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Cognitive radio frequency spectrum detection-The spectrum sensing of a wideband frequency range is studied by dividing it into multiple subbands.
It is assumed that in each subband either a primary user (PU) is active or absent in a additive white
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宽带接收机窄带信号频率和二维方向角估计的新方法,对研究阵列信号处理的有帮助-Wideband receiver narrowband signal frequency and two-dimensional DOA estimation of the new method, array signal processing research help
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正交频分复用技术是近年来发展起来的新技术,在高速无线数据传输领域有很大的应用前景。文章在分析和总结相关文献的基础上,介绍了正交频分复用(OFDM)技术的发展历史,讨论了正交频分复用技术的基本原理和实现方法。通过分析表明,在高速无线通信中OFDM对于消除符号间干扰(ISI),降低系统的复杂度等方面具有很大优势。正交频分复用(OFDM)是一种多载波宽带数字调制技术,它能有效地克服传输中的多径干扰和消除码间串扰,适合于高速率的地面信道视频传输。本文就OFDM技术进行了较为详尽的分析,并对OFDM的传输
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在高阶谱分析工具箱是一个M文件集合实施了多种先进的信号处理算法的频谱估计,polyspectral估计,时频分布计算,并包含许多实际应用如时延估计,谐波恢复,参数估计的Volterra(非线性)模型,以及自适应线性预测。其他潜在的应用包括音响,生物医学,经济学,地震勘探,无损检测,海洋学,等离子体物理,雷达,声纳,语音等-The Higher-Order Spectral Analysis Toolbox is a collection of M-files that implement
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多頻帶正交分頻多工之超寬頻系統模擬與等化器設計--超寬頻(Ultra-wideband UWB)是一種已經有實體層規格被提報出來 的新系統,它
具有高位元傳輸率 ,能在短距離 的通訊網路 上提供高速的數 據傳輸。近來 ,因為UWB的
多項優點,使得UWB技術被研究來 用於室內短距離 的傳輸上,且在很多其他的使用上還
有很大的發展潛力 。在這份論 文中,我們將用mat
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Functional Processing of Wideband
Radio Frequency Hopping Signals
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Multiple—input multiple—output(MIMO)wireless technology in combination with orthogonal
frequency division multiplexing(OFDM)is all attractive air—interface solution for next—generation wideband
wireless networks.This paper provides all overview o
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Wideband Frequency Domain Adaptive Filter
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在超宽带相干光传输系统中,一个新的频率便宜估计方法。-In ultra wideband coherent light transmission system, a new method to estimate the frequency of cheap.
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This paper presents a proposed model in an
explicit form and its simulation results for
characterizing wideband line-of-sight (LOS)
radio channel in an urban microcellular
environment. The model is fast to compute, easy
to implement, and on
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Modern wireless communication systems are expected to support high data rate, allowing users to access high quality multimedia content, anytime-anywhere. To support high data rate, wideband frequency channels are required. However, frequency selectiv
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宽带天线的表面电流,辐射功率和方向图的计算,包含频率扫描-wideband antenna: surface currents,radiation pattern and the calculation of power, including the frequency sweep
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宽带信号目标方位估计,直接处理法,基于频域正交分解方法-wideband source location through frequency-dependent modeling
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提出了一种新的宽带DOA估计方法:频域子空间正交性测试方法(TOFS:Test of orthogonality of frequency sub- space)。该方法通过同时测试频域信号共同带宽内各频段噪声子空间与阵列流形之间的正交性来进行DOA估计。与宽带相干信号子空间方法不同,TOFS方法不需要任何初始值的预估及聚焦操作。与宽带非相干信号子空间方法也不同,TOFS方法同时测试各频段噪声子空间与阵列流形之间的正交性。本文仿真了TOFS与IMUSIC、CSSM、TOPS的性能比较。仿真结果表
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改进的非相干信号子空间宽带测向算法(最大功率频点选择)-Improved non-coherent signal subspace wideband direction finding algorithm (maximum power frequency selection)
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