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AManchesterCodeDecodingSystemBased
- 本文在阐明反相对称调制（PISM）原理的基础上，结合曼彻斯特码的结构特点，给出了一种基于PISM原理的曼彻斯特码解码系统，并对其抗噪声性能进行了理论分析，揭示了曼彻斯特码潜在的抗噪声性能。-This article clarifies RP-symmetry modulation (PISM) on the basis of principle, Manchester code with the structural characteristics of a given based on the
mayd
- 非线性滤波除噪技术综述 中值 均值 还有自适应技术的区别-nonlinear filtering in addition to noise Technology Value adaptive technology also mean the difference between
AnadaptiveKalmanfilterfordynamicharmonicstateestim
- Knowledge of the process noise covariance matrix is essential for the application of Kalman filtering. However, it is usually a difficult task to obtain an explicit expression of for large time varying systems. This paper looks at an adaptive
AnadaptiveKalmanfilterfortheenhancementofspeechsig
- This paper deals with the problem of speech enhancement when a corrupted speech signal with an additive colored noise is the only information available for processing. Kalman filtering is known as an effective speech enhancement technique, in w
RobustadaptiveKalmanfilteringwithunknowninputs
- The standard optimum Kalman filter demands complete knowledge of the system parameters, the input forcing functions, and the noise statistics. Several adaptive methods have already been devised to obtain the unknown information using the measur
Y847565
- 提高卫星通信信道传输效率的新途径本 文 结 合 V SAT卫星通信系统设计中涉及卫星通信传输技术极为重要的 信道编码与调制解调方式，探讨了各种新型的卫星信道编码与调制解调技术， 它们的原理及在卫星通信中的应用。在数字调制中，信号传输质量主要取决于 比特差错率BER (Bit Error Rate)，因此要尽可能采用相同的每比特信号能量与 噪声功率谱密度比(Eb/N.)的条件下，BER低的调制方式，以节省卫星功率 另外频带利用率要尽可能的高，以节省宝贵的卫星频带。本文还对各种
duffingcheckfrequncy
- 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.
xdcode3
- 为了实现彩色栅格地图道路的全自动提取，提出了一种闭环反馈提取彩色 栅格地图道路的方法。在地图图像数学模型的基础上，根据地图中对象的颜色特征对地图图 像进行规范化处理。在采用一些算法去除噪声后提取道路，对道路进行细化处理。依据道路 和噪声的特征建立一些判据判断道路的正确性，把道路的提取变成了根据判据不断修正道路 的循环过程，实现道路的全自动提取。试验结果表明了该方法具有较高的准确性、全自动化 和通用性。-color raster to the road map automati
xdcode4
- 研究从彩色栅格交通地图中提取完整的道路网络集合。在地图规范化的基础上，基于彩色栅格地图上的噪声特征，处理欠识别和误识别的道路点集集合. 以实例说明该方法对道路提取的过程和效果-study from the color grid traffic maps extracted integrity of the road network set. Standardization of the map on the basis of color raster maps based on the nois
Analysis_and_Detection_of_Shadows_in_Video_Streams
- Robustnesstochangesinilluminationconditionsaswellas viewing perspectives is an important requirement formany computer vision applications. One of the key fac-ors in enhancing the robustness of dynamic scene analy-sis that of accurate and reliable mea
200613225718
- 语音识别模块的性能指标： 高识别率：在一定的硬件环境下，平均准确率可达97％； 端点检测：在识别过程，具备端点检测功能； 实时识别：具有唤醒功能； 环境噪音：一定范围之内，仍可保证高识别率-speech recognition module performance indicators : high recognition rate : some of the hardware environment, average accuracy rate of up t
graph-roberts
- 本文介绍了边缘检测的基本概念．使用 VC实现了 Roberts算子、Prewitt算子、 Sobel算子和 Laplacian算子．实验分析了各个算子的边缘检测效果及抗噪能 力。-This paper introduces the edge detection of the underlying concepts. VC use the Roberts operator, Prewitt operator, Sobel operator and the Laplacian operat
rfid_model
- A system simulation environment in Matlab/Simulink of RFID is constructed in this paper. Special attention is emphasized on the analog/RF circuit.Negative effects are concerned in the system model,such as phase noise of the local oscillator,TX-RX
A.spur-free.fractional-N.pll
- A new PLL topology and a new simplified linear model are presented. The new fractional-N synthesizer presents no reference spurs and lowers the overall phase noise, thanks to the presence of a SampleJHold block. With a new simulation methodology it i
dual.band.GMSK.transmitte
- This paper presents the key circuits of a 1MHz bandwidth, 750kb/s GMSK transmitter. The fractional-N synthesizer forming the basis of the transmitter uses a combined phasefrequency detector (PFD) and digital-to-analog converter (DAC) circuit elemen
PREDICTION.FRACTIONALN.SPURS
- Fast settling-time added to the already conflicting requirements of narrow channel spacing and low phase noise lead to Fractional4 divider techniques for PLL synthesizers. We analyze discrete \"beat-note spurious levels from arbitrary modulus di
A Nonlinear Adaptive Filter for Online Signal
- This paper presents various applications of a nonlinear adaptive notch filter which operates based on the concept of an enhanced phase-locked loop (PLL). Applications of the filter for online signal analysis for power systems protection, control a
Color Edge Detection in Presence of Gaussian Noise Using Nonlinear Prefiltering
- 用非线性滤波器检测高斯噪声的很好的论文 从ieee上下载
dealing with Acoustic noise
- 详细介绍语音信号噪声的处理
FM2018-380-Launch-PACK_042409
- 主要功能是消回音，消噪音，消回声，消噪声。效果不错。-Main function is to echo cancellation, noise cancellation, echo cancellation, noise-cancellation. Good results.