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Clarke_Jakes_Zheng模型matlab仿真
说明： Clarke_Jakes_Zheng模型matlab仿真(Clarke_Jakes_Zheng-matlab)
- 2020-01-06 10:02:08下载
- 积分：1
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gbcemu
说明： 手机游戏模拟器 对于开发手机游戏的朋友来说很难得 。只有源代码 没有文档(Mobile phone game emulator for the development of mobile games for a rare friend. Not only the source code documentation)
- 2008-09-15 15:22:13下载
- 积分：1
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谱修正与CPM
通过伪随机序列进行频率调制，并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
- 2018-05-03 11:27:49下载
- 积分：1
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DatagramChannelTest
Test for DatagramChannel Source Code for Andriod.
- 2014-02-17 14:55:18下载
- 积分：1
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MobileSimulationSystemBesedC++
基于DEVC++的手机模拟系统，文件共计1500行，(Based on DEVC++ Analog mobile phone systems, document a total of 1500 lines,)
- 2008-08-08 17:58:03下载
- 积分：1
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kasami
kasami序列的生成程序及相关论文，带64位的生成程序，供学习者使用。(kasami sequence generation)
- 2017-08-27 13:55:09下载
- 积分：1
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QoS-of-markov-selection-strategy
面向QOS的马尔可夫选择决策算法，通过对算法模型合理化构建过程于异构环境特点的紧密结合，最大程度满足异构网络环境中用户QOS的长期效益(Facing the QOS markov selection decision algorithm, based on the rationalization process in constructing algorithm model heterogeneous environment characteristics of closely, satisfy heterogeneous network environment the user QOS long-term benefits
)
- 2011-12-26 17:38:14下载
- 积分：1
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线性调频，正弦信号
说明： 中频30MHZ，带宽5MHZ，脉宽25us，采样率140MSPS(If 30MHz, bandwidth 5MHz, pulse width 25us, sampling rate 140msps)
- 2020-12-03 11:09:25下载
- 积分：1
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IIR 数字滤波器的设计与实现
设计一个巴特沃兹数字低通滤波器，其技术指标为：3dB带宽为0.2π，阻带截止频率为0.3π，通带纹波为1dB，阻带衰减大于30dB，采样间隔T=10ms。
1）采用冲激响应不变法；
2）采用双线性变换法设计；
3）采用FIR的窗函数（Hanning窗、Hamming窗或Blackman窗）设计。(A Butterworth digital low-pass filter is designed. Its technical specifications are: 3 dB bandwidth is 0.2 pi, stopband cut-off frequency is 0.3 pi, passband ripple is 1 dB, stopband attenuation is more than 30 dB, sampling interval T=10 Ms. 1) Impulse response invariance method is adopted. 2) Design by bilinear transformation method; 3) FIR window function (Hanning window, Hamming window or Blackman window) is used to design.)
- 2019-04-19 10:03:16下载
- 积分：1
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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
