-
cifafenxiqi
做了詞法分析器,不知道怎樣,希望有人給我提提意見(Done a lexical analyzer, I do not know how, I hope someone is going to give me make a suggestion)
- 2007-12-03 16:25:32下载
- 积分:1
-
xiaobotongyonghanshu
列举了所有小波的通用函数,以方便以后使用过程中直接查看函数的意义。(General lists all wavelet functions to facilitate the process of direct view later use the meaning of the function.)
- 2011-05-18 11:37:41下载
- 积分:1
-
OFDM
首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提取出导频信息,根据导频信息估计出剩余定时误差以及剩余的信道响应误差,将误差量送入环路进行跟踪。当收到所有数据后,重新回到信号到达检测状态,进行下一次信号到达的检测和信号接收。(First, according to the characteristics of the short training word correlation operation, the signal reaching the detector, when the detected correlation value is greater than the threshold after a certain number of times that a signal arrives. And then the characteristics of long training word, the correlation operation for the FFT window starting position of an OFDM symbol estimate. The estimated position of the FFT window, the first small frequency offset in the time domain estimation, the two long training word small frequency offset compensation, the FFT operation, the FFT result of the operation for integer frequency offset estimate. These parameter estimation is completed, the data can be demodulated on. The first portion of the data for a complete frequency offset compensation, and based on the estimated FFT window position of the FFT operation to obtain frequency domain data, demodulated. Then corresponding to the position of the pilot subcarriers are extracted on pilot inform)
- 2020-11-04 23:49:52下载
- 积分:1
-
LED_road
LED路灯配光需要计算许多重要参数。本程序通过利用LED路灯实测数据来讨论这些参数间关系。(lots of parameteres have to be calculated before using the LED road lamp. this program use the measured data to discuss these parameteres.)
- 2012-04-26 02:11:24下载
- 积分:1
-
tic_toc_use
matlab中tic与toc函数联合进度条使用例子(tic toc function matlab in combination with the use of examples progress bar)
- 2013-07-31 15:47:16下载
- 积分:1
-
impedance
说明: 电缆阻抗求取程序,高频电缆串联阻抗,根据高频中压电缆模型建立,(Cable impedance calculation program)
- 2019-12-23 22:19:25下载
- 积分:1
-
matlab
结构拓扑优化 99行matlab代码 结构优化(99 line topology optimization code structure optimization matlab)
- 2009-05-19 09:12:22下载
- 积分:1
-
optimal
优化问题实验
优化问题实验
优化问题实验(optiaml funtion)
- 2009-02-04 22:15:20下载
- 积分:1
-
bpass_ado
This is a Stata program that filters time series data using an approximation to the
- 2010-03-04 17:04:33下载
- 积分:1
-
two_joint_workspace
利用matlab的simulink进行两杆的工作空间仿真(workspace simulation using matlab)
- 2013-08-13 11:03:30下载
- 积分:1