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eg-fft
- fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
zhangyong_jun-shi-duan-bo-tong-xi-kang-gan-rao-xin
- 摘 要：建立了几个军事短波通信系统仿真模型，并简要叙述了军事短波通信系统中跳频、扩频的干扰方程。文章给出了仿真物理结构图以及功能模块图，也给出了军事短波通信抗干扰性能仿真评估的指标，提出了利用云模型及云不确定性推理对仿真结果进行评估，并给出了干扰和无干扰条件下军事短波通信的抗干扰性能评估结果。-Abstract: A number of military HF communications system simulation model, and a brief descr iption of
dsp5000fft
- 正弦余弦阵列放在twiddle1、2 输入信号（方波）.copy mdata 直接打开pjt文件 生成out文件即可看0x9000（program页）的频谱-Sine cosine arrays on twiddle1, 2 input signal (square wave). Copy mdata file generation out directly to open the file pjt able to see 0x9000 (program pages) of the
pingputu
- 用matlab画频谱图的程序 包括多种波形的频谱-Spectrum using matlab drawing program includes a variety of wave spectrum
1671-8836(2006)03-0371-04
- Extraction of sea state from HF radar sea echo:mathematical theory and modeling,一篇介绍海浪谱的非常好的文章，给初学者了解海浪模型，有一定的帮助。-Extraction of sea state from HF radar sea echo: mathematical theory and modeling, a descr iption is a very good article, wave spectrum,
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- 将高阶时频表示引入机械故障诊断领域。介绍了Wigner 高阶矩谱(WHOS)的概念、定义。针对多分量信号Wigner 高阶矩谱的交叉项会产生“虚假信号”,结合局域波法, 提出了一种抑制WHOS交叉项的新方法。首先对复杂信号进行预处理, 利用局域波分解方法把其分解成有限个具有单分量特性的基本模式分量,然后对每个基本模式分量计算WHOS。该方法能有效抑制WHOS时频分布的交叉项。通过仿真实验和转子的故障实验,以Wigner 双谱为例, 验证了该方法的实用性,为故障诊断的特征提取提供了新的工具-Hig
Ground-based-SAR
- The word Radar is the acronym of Radio detection and ranging. Radar is an active instrument, which measures the echo of scattering objects, surfaces and volumes illuminated by an electromagnetic wave internally generated belonging to the microwave po
sanjiaobo
- 三角波的频谱研究matlab程序，可以画出三角波，并根据性质来改变得到希望的波形-The triangle wave spectrum matlab program, you can draw the triangle wave and waveform hope to change based on the nature
Matlab-extracted-pulse-parameters
- 利用Matlab编程，从脉搏波频谱中获取与人体生理病理相应的信息特征，实现了参数提取的程序化，取代了人工读图的过程。-Matlab programming from the pulse wave spectrum to obtain the appropriate information and human physiological and pathological characteristics, parameter extraction procedures, replacing the
Regularization-method
- 基于正则化方法的高频地波雷达海浪方向谱反演-Regularization method based on the HF radar wave directional spectrum inversion
Spectrum-Analysis
- 海洋表面有各种各样的波浪，作为一种自然现象，其模拟已成为计算机图形学中最具挑战性的问题之一。风浪是最主要的一种波浪，其模拟在工程及影视中的应用已日益引起人们的关注。本文从海洋学已有的统计观测结果出发，利用海浪频谱与方向谱的相关公式，对开阔海面深水域的风成波浪进行了模拟。实践证明，该方法对波浪的模拟在实时性与真实感方面均取得了不错的效果。-There are a variety of ocean surface waves, as a natural phenomenon, which has b
Bluetooth_Full_Duplex
- Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and chan
Challenges-and-opp-of-mmwave-5G
- This paper provides an overview of research challenges and opportunities on mm-wave communication in the fifth generation (5G) mobile broadband networks. More specifically, different challenges, i.e. spectrum, propagation channel, cost and energy eff
mmwave-beamforming
- The ever growing traffic explosion in mobile communications has recently drawn increased attention to the large amount of underutilized spectrum in the millimeter-wave frequency bands as a potentially viable solution for achieving tens to h
Spectrum-2010
- 此文件为PEER美国太平洋地震工程中心的地震周期加速度反应谱编译工具，用excel编译地震波的反应谱，然后导入PEER，可得到自己想要的地震波。-This document for the PEER Pacific earthquake engineering center of the seismic cycle acceleration response spectrum compilation tool, using Excel to compile the seismic respons
Elfouhaily
- 绘制Elfouhaily海浪谱，对于研究GNSS-R反演海面风速的很有帮助-Drawing the Elfouhaily wave spectrum is very helpful in studying GNSS-R inversion of sea surface wind speed.
wave
- wavelet transform methods