-
L
说明: lms算法源程序
( lms code )
- 2009-02-18 22:07:16下载
- 积分:1
-
msk
民航ACARS系统的msk调制(模拟),解调(实际数据)程序(Msk modulation aviation ACARS system (analog), demodulation (actual data) Program)
- 2020-09-09 10:48:01下载
- 积分:1
-
DateConvert
DateConvert:简单而快速的日期转换
DateConvert转换DATESTR(0)格式的日期向量或序列号和日期向后。
Matlab的DATENUM,DATEVEC和DATESTR接受各种不同意见,但结果他们是缓慢的。如果输入格式正是众所周知,转换可以更快:
DATENUM( 17 - 10 - 2009 11时08分23秒 ):2.97秒
DateConvert( 17 - 10 - 2009 11时08分23秒 , 号码 ):0.039秒
=>“1.3%(1000环,1.5GHz的奔腾- M的,利用Matlab 7.7)
DateConvert不*不*验证作为Matlab的日期函数输入日期:
DATEVEC( 32 - 2 - 2008 25:62:63 )的答复[2008 3 4 2 2 7]
DateConvert( 32 - 2 - 2008 25:61:67 , 载体 )的答复[2008 2 32 25 61 67]!
因此DateConvert几乎微不足道,但对速度进行了优化。我需要时间排序200 000邮票,并从217个减少到11秒的时间。
请运行单元测试TestDateVec检查的有效性和速度。
测试:利用Matlab 6.5,7.7,7.8,winxp的,32位。
纯Matlab代码,所以兼容性的MacOS,Linux操作系统,64位预期。
英语月份名称是必要的。(DateConvert: Simple but fast date conversion
DateConvert converts the DATESTR(0) format to a date vector or serial date number and backwards.
Matlab s DATENUM, DATEVEC and DATESTR accept a variety of inputs, but in consequence they are slow. If the input format is exactly known, the conversion can be much faster:
DATENUM( 17-Oct-2009 11:08:23 ): 2.97 sec
DateConvert( 17-Oct-2009 11:08:23 , number ): 0.039 sec
=> 1.3 (1000 loops, 1.5GHz Pentium-M, Matlab 7.7)
DateConvert does*not* validate the input date as Matlab s date functions:
DATEVEC( 32-Feb-2008 25:62:63 ) replies [2008 3 4 2 2 7],
DateConvert( 32-Feb-2008 25:61:67 , vector ) replies [2008 2 32 25 61 67] !
So DateConvert is nearly trivial, but optimized for speed. I needed it for sorting 200 000 time stamps and reduced the time from 217 to 11 sec.
Please run the unit-test TestDateVec to check validity and speed.
Tested: Matlab 6.5, 7.7, 7.8, WinXP, 32bit.
Pure Matlab code, so compat)
- 2010-07-05 11:59:46下载
- 积分:1
-
bishe
说明: 永磁同步电机的直接转矩控制算法设计 matlab的仿真(PMSM DTC)
- 2011-03-24 21:47:25下载
- 积分:1
-
Modifying_Yuan_comment_zhao_a3_w2_2
N层多米诺介质的透射率和反射率随这介质厚度变化的matlab程序仿真。(N-tier transmission media Domino and reflection with the media thickness of the matlab program simulation.)
- 2011-09-08 20:44:30下载
- 积分:1
-
Pro3D_exmple
3D的激光脉冲在克尔效应下的传播,对解3维的非线性薛定谔方程有很重要的参考价值(3D NLSE)
- 2011-12-29 20:15:48下载
- 积分:1
-
Lidar2dlg
利用激光雷达技术生产数字线划图的技术参考文献,对3S技术人员很有帮助,难得的好资料。(By using laser radar technology to produce a DLG technique reference documents)
- 2010-11-05 20:20:12下载
- 积分:1
-
Matlab100
说明: Matlab精彩编程一百例,图形图像处理,函数处理(Exciting one hundred cases of Matlab programming, graphics, image processing, function handle)
- 2011-04-18 16:31:24下载
- 积分:1
-
SIMULINKintroduction
SIMULINK功能模块的处理SIMULINK功能模块的介绍SIMULINK功能模块的连接(Simulation module processing module SIMULINK introductory SIMULI NK functional modules link)
- 2007-06-10 00:19:29下载
- 积分:1
-
matlabsimulink-communications-
详解matlabsimulink通讯系统建模与仿真(Detailed matlabsimulink communications system modeling and simulation)
- 2014-12-23 11:53:51下载
- 积分:1