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radar
- 为配合新一代天气雷达应用与开发的需要，现将新一代天气雷达（CINRAD/SA、CINRAD/SC、CINRAD/SB、CINRAD/CB、CINRAD/CC、CINRAD/CD的原始数据格式和拟采用的统一数据格式以及读取程序挂在网上，供大家下载-read Doppler radar data, the process of the SA-Doppler weather radar on the original scan data processing
Rayleigh
- 使用整合的模組,定義在都普勒效應下,應用較小的數學模式,模擬出較佳的效應-The use of integrated modules, the definition of the Doppler effect, the application of mathematical models of smaller, better simulate the effects of
paper01
- A FFT-based partial matched filter (PMF) acquisition threshold setting method for fast GPS acquisition is presented. Normal distribution and numerical fitting technique instead of real decision variable (DV) distribution are used in derivatio
Dopplereffect
- expalins doppler effect and differnt losses
IP09_1
- This paper presents Doppler Effect formulation with two trajectories first we use the solution in low speedy density function which is general for this case, second we use the solution in high speedy density function for the first time with
wcdmathesis
- In this thesis a signal level simulator in uplink is implemented according to the physical layer specification of the IMT-2000 WCDMA system. The analytical WCDMA system through the use of linear algebra techniques is shown. Channel model is built on
Fast-VaryingDopplerCompensationforUnderwater
- 采用OFDM技术的水下通信中多普勒偏移补偿-Underwater communications using OFDM technology, Doppler shift compensation
dople
- the doppler filter have been development
A_method_based_on_Leo_satellite_communications_tim
- 摘 要:定时恢复是数字接收机中的关键技术,基于某特定LEO低轨卫星通信系统应用,重点研究了异步时钟采 样恢复法的工作原理,提出了一种改进的Gardner定时误差检测算法,给出了整个定时环路的具体实现方案,并针对其 性能进行了分析。仿真结果表明,在大多普勒加速度的卫星信道环境下,该方案能够满足系统设计的要求,且实现结 构简单、优化,可大幅降低算法复杂度,在较高信噪比的情况下,具有更加优化的性能。 -Abstract: The timing recovery is a key tec
GPS
- 究了适用于低轨卫星的Doppler-Range联合定位法及TDOA-TDOF联合定位法。分析了联合定位的误差计算公式，并提出了一种衡量联合定位性能的参数。 -Study of low-orbit satellites for the Doppler-Range joint positioning method and TDOA-TDOF joint positioning method. Analysis of the joint positioning error formula, and
CDMA
- 从多普勒载波频偏对CDMA接收 信号的影响入手，提出了分段匹配滤波器和循环累加码捕获环路相结合的方法进 行扩频码的捕获，并对该方法的性能进行了分析和仿真。 -Doppler frequency offset from the carrier signal on the CDMA receiver to start the impact of proposed sub-cycle accumulation matched filter code acquisition loop and
hundun
- ：针对正交编码信号已有设计方法计算复杂、编码长度和数量受限等问题，该文利用混沌序列类随机、初值 敏感， 易产生和易使用的特点， 提出应用混沌序列设计随机离散频率编码信号。 在给出编码信号设计方案的基础上， 详细推导此类信号的模糊函数，分析了其距离、多普勒分辨能力，讨论了信号的准正交特性，并比较了不同混沌序 列对信号性能的影响。 理论分析和仿真实验表明， 结合混沌序列的频率编码信号具有优良的模糊函数、 准正交性能， 且信号产生容易，编码长度和数量可以任意设置，可以作为一类有潜力的雷
weak-signal--carrier-freq-sync
- 《深空微弱高动态信号捕获与跟踪算法研究与实现》深空通信领域载波同步恢复需要初步了解，其中信号多普勒斜率动态特性分析和解决办法值得借鉴。-"Weak deep-space high dynamic signal acquisition and tracking algorithm research and to achieve" deep space communications field carrier synchronization recovery requires a prelimina
target-detection-in-sea-clutter
- 作者分析了海杂波的多普勒谱特性，给 出了两种基于多普勒谱特征的检测方法，应用联合瑞利概率密度函数描述海杂波 多普勒谱的统计特性和熵值方式表示多普勒谱的波形特性。 -As the present study on sea clutter are shown, based on the analysis of sea clutter Doppler spectrum characteristics, two target detection algorithms are propo
WirelessCommunications
- 无线通信中的多径效应与多普勒效应，本程序用于说明无线信道的基本特征（多径效应和多普勒效应）及其分类。-Wireless communications in the multipath effect and the Doppler effect, the procedure used to describe the basic characteristics of the wireless channel (multipath effect and the Doppler effect) and
SAR3
- 基于距离多普勒算法的matlab仿真，进行了距离向压缩，方位向压缩，以及距离徙动校正-The Range Doppler Algorithm and MATLAB Simulation
GH-719
- GH-719 微波模块 微波传感器 多普勒传感器-GH-719 microwave sensor of microwave modules Doppler sensor
carrier-frequency-capture
- 该文采用数字科斯塔斯环并结合数字匹配滤波辅助捕获的方法对T DRSS 中的大多普勒频移进行捕获和消除, 解决了大多普勒情况下载波恢复的难题, 为工程实践提供了一种新思路。-In this paper, using a digital Costas loop in combination with the digital matched filtering auxiliary capture the T-DRSS large Doppler frequency shift to capture a
doppler(matlab)_2005
- 关于多径多普勒的文章，具有很好的参考价值，并且含有MATLAB程序-Articles about multipath doppler, has the very good reference value.And contains MATLAB program
A-novel-range-Doppler-imaging-algorithm-with-OFDM
- OFDM range doppler imaging