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Ultra-Wideband 通信系统
- 为了提高通信系统的信息传输速率，人们提出了UWB通信系统，即Ultra-Wideband 通信系统。在UWB系统中，信号的带宽一般都在GHz的量级，这么宽的带宽造成了UWB系统和现有的通信系统频谱的重叠。为了降低对现有通信系统的影响，UWB信号的设计需要满足一定的频谱模板。如果一个信号的频谱基本满足频谱模板的规定（即在绝大部分频段内功率小于规定区间的上限），我们可以认定其为一个UWB信号。-In order to improve communication systems, informatio
MPD
- 文章介绍了MPD得基本原理，对于谱分解技术研究具有一定的指导意义-This paper introduces the basic principles of a MPD for the spectral decomposition technology research has a certain significance
Instantaneousspectralanalysis
- 谱分解快速算法，有助于地震信号的时频分析处理。-Fast Algorithm for spectral decomposition, contribute to seismic signals time-frequency analysis of the treatment.
AR_spectrla_analysisissatisfactory
- 本文主要介绍在PCI图像采集系统的基上，由B超序列图像重建出全方61 t4型心动图。通过梯度算法、曲线拟合算法等图像处理技术获得心动图波形函数，采用自回归谱估计分析获得较为满意的结果。谱分析方法为心脏病的临床诊断提供了一种新的方法。 -This paper mainly introduces the PCI-based image acquisition system, the B-sequence of images from the reconstruction of a full si
mmsp08
- Feature extraction is a key issue in contentbased image retrieval (CBIR). In the past, a number of texture features have been proposed in literature, including statistic methods and spectral methods. However, most of them are not able to accu
SpectralSurfaceReconstructionfromNoisyPointClouds.
- We introduce a noise-resistant algorithm for reconstructing a watertight surface from point cloud data. It forms a Delaunay tetrahedralization, then uses a variant of spectral graph partitioning to decide whether each tetrahedron is inside or out
main.c
- stress tensor is computed by using the finite difference method and the described spectral radius for SOR is computed.
spectralMattingCode
- codings for spectral matting
Signal
- 分析了在超宽带通信系统中的扩频干扰，并用两种通用的调制技术实现了对提出的抗干扰方法的仿真-he ultra wideband (UWB) interference to direct sequence spread spectrum (DSSS) receiver is analyzed. Two popular UWB modulation schemes, the time hopping pulse position modulat
mypaper4
- To fully utilize the character of the bioradar echo signal, autocorrelation analysis, spectral estimation methods and time-frequency analysis are presented in this paper. These methods are employed to deal with no one, single people and multi-people
08-NTAV-SPA_165_Marciniak-Rochowniak-etal
- In this paper we propose a method for voice activity detection (VAD) in a speech signal recorded in the presence of noise. The so-called endpoint detection (EPD), i.e., detection of voice activity (speech) boundaries is very difficult if the
Spectroscope-pdf
- 光谱仪开发必备资料--主要包括《光谱&谱线》《光谱仪模块汇总》《光谱仪原理讲义》《光谱仪总汇》《光譜分析儀原理簡介》《光学名词解释大全》-Spectrometer development of the necessary information- including " & spectral line" , " Spectrometer Module Summary" " spectrometer principle notes" &q
optimizing-spectral-efficiency--prime-codes
- IN THIS NOVEL AN ALGORITHEM IS DESCRIBED TO INCREASE THE SPECTRAL EFFICIENCY OF OCDMA SYSTEMS
Clustering-for-Chinese-Word-
- 这是关于谱聚类在汉字聚类领域应用的文章，谱聚类表现出比k-means更好的聚类效果。-This is the article on the spectral clustering in the field of Chinese characters clustering, spectral clustering performance better than the k-means clustering effect.
4634
- 中国近40年来雾的研究 包括雾的光谱特性和物理特性-China nearly 40 years to the fog of the study included the spectral characteristics and physical properties of fog
159Spectral_Digital_Signal_Image_Processing
- An immediate observation for those who deal with the processing of signals is the omnipresence of the concepts of frequency, which are called “spectra” here. This presence is important in the fields of theoretical research as well as in most appl
Rayleigh-Mie-lidar-
- 本文介绍了用来测量对流层温度垂直分布的基于高光谱分辨率雷达技术的瑞利-米激光雷达系统（激光是对人眼安全的355nm波长的紫外线）。在该系统中，用两个法布里-珀罗标准具滤波器对影响大气温度的两个瑞利信号进行过滤。这些滤波器放在瑞利散射频谱的同一侧，并带有双端口光学输出通道。这种配置对米氏散射能获得较高的抑制比以及合理的瑞利散射透光率。米氏信号用第三个位于激光频率中间位置的法布里-珀罗标准具滤波器进行检测。这三个滤波器的参数是经过数值计算优化了的。实验结果表明，对于这两个瑞利通道都能实现-45dB的
553-1504-1-PB
- Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation and multiplexing technique proposed for 3G, 4G LTE-A systems to achieve higher data rates with better spectral efficiency at low latency. Time varying nature of the wi
2512ijcsa01
- As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate tr
2005-Spectral-Analysis-of-Signals
- 原版英文，频谱分析的经典专业著作，Petre Stoica 和 Randolph Moses的专著。对信号处理方面来说非常值得看。-Petre Stoica and Randolph Moses Spectral Analysis of Signals