-
TQ2440
本文系统的介绍了TQ2440开发板相关知识，对这方面的读者很有作用。(This article describes the system development board TQ2440 knowledge, useful in this respect the role of the reader.)
- 2010-01-29 19:52:52下载
- 积分：1
-
tdma
说明： TDMA的opnet仿真模型，比较简单，适合初学者(TDMA the OPNET simulation model is relatively simple, suitable for beginners)
- 2021-04-13 15:18:56下载
- 积分：1
-
ofdm
ofdm 仿真 ofdm 仿真 ofdm 仿真 ofdm 仿真(ofdm simulation ofdm simulation ofdm simulation ofdm simulation of)
- 2020-07-02 02:40:02下载
- 积分：1
-
用matlab编码，可以生成随机骨料 matlab daima
此程序用matlab编码，可以生成随机骨料，适用于有限元分析。。。。(This program is progressed by matlab, which can generate the concretebone. It can be used in finte element analysis.)
- 2020-06-22 02:40:01下载
- 积分：1
-
on-the-modulation-technology-in-OFDM
在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同
步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环
前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参
数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信
道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计
算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声
的影响，从而提高了低信噪比下信道估计的精度。仿真结果表明，改进算法在低
信噪比下具有良好的性能。
(OFDM mathematical principles and transceiver model based on frame synchronization, timing synchronization, frequency synchronization and sampling synchronization to the OFDM system, the impact of the theoretical analysis are also discussed based on the cyclic prefix or training symbols typical OFDM synchronization algorithm . Reference 802.11a burst data frame structure and system parameters, analyze several OFDM synchronization algorithm for burst packet transmission performance several classic channel estimation algorithm based on a compromise between complexity and performance, select a suitable estimation algorithm in this article. Finally, the author proposed a modified LS channel estimation algorithm that takes into account the effects of noise in the LS algorithm, thus improving the low SNR channel estimation accuracy. Simulation results show that the improved algorithm has good performance in low signal-to-noise ratio.)
- 2013-05-10 15:18:30下载
- 积分：1
-
resource-allocation
子载波功率资源分配，OFDM技术将信道分成许多正交子信道，在每个子信道上使用一个子载波进行调制，并且各个子载波并行传输(Power resource allocation of the sub-carriers, OFDM technology will channel into a number of orthogonal subchannels, in each subchannel to use a sub-carrier modulation, and the respective sub-carrier parallel transmission.)
- 2012-11-19 11:11:38下载
- 积分：1
-
SUMPLE
非均匀天线组阵SUMPLE权值信噪比及信号合成性能分析(Non-uniform antenna arraying SUMPLE weights SNR performance analysis and signal synthesis)
- 2013-12-20 13:31:43下载
- 积分：1
-
OQAM
ofdm/oqam系统源码 4qam调制下oqam与cp——ofdm比较(ofdm/oqam system source code modulation oqam 4qam with cp- ofdm Compare)
- 2020-07-02 17:40:02下载
- 积分：1
-
831551
微机之间串口通信,实现两台微型计算机之间快速简便的串行通信,()
- 2018-06-16 22:20:48下载
- 积分：1
-
smfeuvz
这个是易语言源码,首先声明不懂易语言的不要下,毒软误报的问题不再解释,源码内容：禁止运行程序()
- 2018-03-09 00:01:30下载
- 积分：1
