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OFDMforWirelineLogging
说明： 常规的单载波调制技术在带宽有限的测井电缆上的低传输速率制约着成像测井技术的发展。在分析测井
电缆传输特性和 OFDM 技术原理的基础上 ,设计了一种基于 OFDM 技术的测井电缆高速数据传输系统 ,并介绍了
基于 OFDM 技术的测井电缆高速数据传输系统的参数设计和工作原理 ,给出了不同长度测井电缆上的测试结果。
电缆实测结果表明 ,在 7 000 m长的测井电缆上 ,基于OFDM 技术的测井电缆高速数据传输系统可获得900 kbit / s
以上的数据传输速率和低于 5E28 的误码率。当变压器的接入模式为 Mode2II时 ,系统最高的数据传输速率可达到
1. 1 Mbit/ s。(To solve t he low data t ransmission rate problem in t he conventional single car rier mod2
ulation met hod for logging cable and enhance t he data t ransmission rate , a new data t ransmission
system with high data t ransmission rate for logging cable is propo sed , which is based on t he Or2
t hogonal Frequency Division Multiplexing (OFDM) technology. The working principle of OFDM
modem and t he procedure of data t ransmission system are al so presented and lot s of test s are car2
ried out on logging cables with different lengt hs. It is verified that t he data t ransmission rate can
reach 900 kbit/s on 7 000 meter s logging cable wit h bit er ror rate (BER) lower t han 5E28 , and
t he maximum data t ransmission rate is 1. 1 Mbit/s under Mode2II of t he t ransformer .)
- 2009-08-15 22:22:38下载
- 积分：1
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F16model_old
主要是利用matlab/simulic对F16建模并对其飞行条件进行仿真(mainly using Matlab/simulic of its F-16 flight modeling and simulation conditions)
- 2007-06-08 13:35:24下载
- 积分：1
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chap5
用matlab编写的程序，关于MATLAB图像处理的中计算图像的欧拉数。(Matlab program, about calculation in matlab image processing of the euler number of image。)
- 2013-12-18 10:04:18下载
- 积分：1
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lms
关于lms的作业，有详细的注释，程序经过验证没有问题，(homework for the lms，)
- 2013-07-26 15:00:53下载
- 积分：1
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matlab-function
matlab函数速查，很不错哦。。。。。。。。(matlab function。。。。。。。。。。。。。。。。。。。)
- 2012-04-15 10:15:33下载
- 积分：1
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fskdigital
这是简易的FSK信号调制，把文件放入matlab的文件库中，通过在matlab的命令窗口直接调用功能函数并运行，可以直接看到仿真结果。(This is a simple FSK signal modulation, the file into Matlab file library, call function directly in the Matlab command window and run the simulation results can be seen directly.)
- 2013-04-27 12:29:36下载
- 积分：1
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StereoVision_FunMatrix
本算法在Matlab2008b 环境下实现了立体视觉中摄像机的基础矩阵计算。包括main, sevenPoint、eightpoint 和eightpoint_norm三个函数。
main.m 是程序的入口，包括生成和读入实验数据，分别调用sevenPoint、eightpoint 和eightpoint_norm 三个函数求基础矩阵，最后绘制出最后的结果。sevenPoint.m 是用7 点法求解基础矩阵。eightpoint.m 是用8 点法求解基础矩阵，eightpoint_norm.m 是数据规格化后的8 点法求解基础矩阵。(The algorithm is implemented in Matlab2008b environment based stereo vision camera matrix calculations. Including the main, sevenPoint, eightpoint and eightpoint_norm three functions.
main.m is the entry, including the generation and reading test data were calling sevenPoint, eightpoint and eightpoint_norm three fundamental matrix function evaluation, and finally draw the final result. sevenPoint.m 7 method is based on matrix. eightpoint.m 8-point method is based on matrix, eightpoint_norm.m the data after the 8-bit normalized fundamental matrix method.
)
- 2011-01-25 19:33:55下载
- 积分：1
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zyck
N 维电测深可视化正演窗口 可用于地下水平底层的情况 试错法正反演(N-dimensional visualization of electrical sounding the forward underground level of the bottom window can be used for the case of trial and error method and inverse)
- 2010-05-20 23:41:03下载
- 积分：1
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FLL
自己做的锁频环的实现源码，希望对正在设计锁频环的人有所帮助(Own frequency-locked loop to achieve source, in the hope of people being locked loop design help)
- 2020-11-11 21:29:44下载
- 积分：1
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filter
1.FFT.doc
2.用MATLAB进行FFT频谱分析
3.傅立叶变换与频谱分析.pdf
4.快速Fourier变换算法及Matlab程序实现.pdf
5. 利用MATLAB和窗函数法设计FIR数字滤波器.pdf
6. 用MATLAB辅助设计FIR数字滤波器.pdf(1.FFT.doc
2 MATLAB FFT spectrum analysis
3 FFT and spectrum analysis . Pdf
4 fast Fourier transform algorithm and Realization of Matlab program . Pdf
5 MATLAB and window function method using FIR digital filter design . Pdf
6 MATLAB aided design FIR digital filter . Pdf)
- 2011-12-08 14:00:13下载
- 积分：1
