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anl_081232f
- 为了减小传统的反锐化掩模算法对噪声的敏感性，提出了一种新的反锐化掩模图像 增强算法，该算法在图像的平坦区域进行去噪处理，并依据人眼视觉特性对图像的不同细节 区域做不同程度的增强。通过几种算法的实验结果比较，表明本算法不仅增强效果较好，且 抑制了噪声的增强。-In order to reduce the traditional unsharp masking algorithm sensitivity to noise, a new Unsharp Masking image enha
HFilterTechnologyinIntegratedNavigationSystem
- 研究了自主水下航行器组合导航系统精度.仿真结果表明,在有色噪声情况下,组合导航系统有效地克服了传统滤波容易发散的缺点.-Studied the combination of autonomous underwater vehicle navigation system accuracy. The simulation results show that in the case of colored noise, integrated navigation system to effectivel
zy1
- 摘要 该文主要考虑利用图像噪声再生技术来提取图像细节 其思想是利用被滤除的噪声信号进行回收再利用 通过对噪声信号和初步去噪信号进行小波变换 比较它们的小波系数 当噪声信号的小波系数达到一定的阈值时 将噪声信号的小波系数保留叠加至初步去噪信号的小波系数 然后利用传统的软阈值去噪的方法来进行图像的去噪 从而达到既能够去除噪声 又能保留图像细节的目的 实验证明 该方法较传统的方法在去噪和细节保持上有改进-Abstract In this paper, consider using images to
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- 基于MSP430F149 单片机的温度监测系统的设计介绍了一种通用温度监测仪。阐述了以MSP430F149 为核心的温度检测仪的硬件模块和软件设计。该温度检测仪具有 低成本、低功耗、可靠性高、抗干扰能力强等特点, 根据不同需要可应用于多种温度检测系统中。 关键词:MSP430 , 温度, 检测系统-Abstr act: Introduced a currency instrument of temperature measurement. This instrument was base
z2
- 1 摘
OFDM@
- OFDM的频偏估计对同步影响尤为重要，改源码对其在不同噪声比下进行了仿真-OFDM Frequency Offset Estimation of the impact of synchronization is particularly important to its source-noise ratio under different simulation
ofdm
- 正交频分复用（OFDM，Orthogonal Frequency Division Multiplexing）是一种多载波数字调制技术，也可以被当作一种复用技术。具有频谱利用率高、抗多径干扰等特点，OFDM系统能够有效地抵抗无线信道带来的影响，例如信道的频率选择性衰落，脉冲噪声和共信道干扰的影响。本文主要介绍了OFDM原理的相关知识。-The Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Divisi
gaosizaosheng
- 此程序是C++程序 在VC++6.0中编译通过的，可以实现高斯白噪声的生成程序，高斯噪声在实际生活中是很普遍的，尤其是通信领域，此程序为大家提供了方便，并通过了测试。 -This program is C++ program in VC++6.0 compiler adopted to achieve the generation of Gaussian white noise process, Gaussian noise in real life is very common, espe
hownarrow
- the paper I uploaded was submitted in my DSP2 class. The paper discusses the results of the simulation based on the paper of Zatman on "How Narrow is Narrowband?" It investigates the second eigenvalue parameter of the received signal that determines
FPGA
- 为了满足科研与实验需要,提出并实现了一种以FPGA和高速D/A为核心,其结构简单,控制灵活,信号质量高的多功能信号源生成系统。该信号源生成系统能够实时产生中心频率在30~130 MHz的各种雷达、通信、导航和白噪声等信号,且产生的各种信号频率、幅度、相位和其他参数均可控。信号源作为基带信号单元配以混频模块,可实现在任意频段的信号。另外,该信号源还可以作为一个通用平台,通过FPGA内部程序的更新来实现其他复杂信号。-This paper presents and makes a multi-fun
jkdde
- 模拟单边带调幅及解调 基本要求： 产生300 ~ 3400Hz的调制信号，画出时域波形及频谱； 产生载波信号，频率自定义，画出时域波形及频谱； 产生加性高斯白噪声，画出时域波形及频谱； 单边调幅，画出叠加噪声后的调制信号和已调信号的波形及频谱； 设计滤波器，画出幅频响应图； 解调，画出解调后的信号时域波形及频谱，并对比分析。 -Simulation of s
mmse_eq
- Here we design the minimum mean-squared error (MMSE) equalizer coefficients {q[k]}assuming that the input symbols {a[n]} and the noise { ˜ w[k]} are white random sequencesthat are uncorrelated with each other.-Here we design the minimum mean-squa
MemoirematchingHausdorff
- In this study, approaches of image enhancement, edge extraction, and line-based image matching for remote sensing images are proposed. The image enhancement includes noise reduction and contrast enhancement. We apply wavelet shrinkage technique
ImageProcessing-CircleDetection-RenatoSalas_final
- The present report outlines the design, implementation and performance of the application of Hough Transform (HT) to detect circles in arbitrary pictures. Detecting circles in arbitrary pictures involves a two step process in this project. First,
1
- 研究自适应抵消技术的论文，文章很详细的分析并对比了各种自适应噪声抵消技术，且有仿真结果-Adaptive offset technology research papers, articles, very detailed analysis and comparison of various adaptive noise cancellation technology, and simulation results are
ruido
- Generates a noise parameter
FPGA
- 基于FPGA数字乘法器的设计：数字乘法嚣是目前数字信号处理中运用最广泛的执行部件之一，本文设计了三种基于FPGA 的数字乘法器．分别是移位相加乘法嚣、加法器树乘法器和移位相加一加法嚣树混合乘法器。通过对三种方案的仿真综合以厦速度和面积的比较指出了混合乘法器是其中最佳的设计方案-FPGA-based digital multiplier design: the number of multiplicative noise is the use of digital signal processin
12
- 本设计分为四个模块，分别是：信号前向调整模块，数据采集模块，数据输出模块和控制模块。信号前向调整模块采用高速低噪音模拟开关(MAX4545)和宽带运算放大器(MAX817)构成可编程运算放大器，对幅度不等的输入信号分别进行不同等级的放大处理-The design is divided into four modules, namely: the signal prior to adjustment module, data acquisition module, data output modu
AD603
- 可控程控滤波芯片，可实现0—40DB范围的增益可控，可通过引脚接法不同，实现不同的带宽。-The AD603 is a low noise, voltage-controlled amplifier for use in RF and IF AGC systems. It provides accurate, pin selectable gains of –11 dB to+31 dB with a bandwidth of 90 MHz or +9 dB to+51 dB wit
signalgenerator
- 一种可添加噪声的多功能虚拟信号发生器的源程序-Add a multi-function virtual noise source signal generator