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DRSP
建立无线传感网中节点路由的减少重传次数的一种算法(An algorithm to establish the number of node routing in wireless sensor networks to reduce retransmission)
- 2012-08-03 13:58:55下载
- 积分：1
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IEEE_80211n_CMSC_20040527
802.11n的信道仿真matlab代码，对于学习研究802系列信道模型有帮助(802.11n channel simulation matlab code, study and research for channel model 802 series help)
- 2020-08-05 16:08:36下载
- 积分：1
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LDPC_Mackay
说明： 采用Mackay构造H矩阵的LDPC码仿真。(LDPC code simulation of H matrix constructed by Mackay)
- 2021-04-27 20:28:44下载
- 积分：1
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wavelets
说明： Pywavelets的cwt函数做连续1维小波变换的时频分析，并图形显示(Time and Frequency of Continuous 1-D Wavelet Transform and Graphic Display)
- 2019-07-01 18:44:56下载
- 积分：1
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GSM-cell
该程序全面仿真了蜂窝小区，主要是信道分配、切换等(The program overall simulation of a honeycomb village, mainly is the channel allocation, switch, etc
)
- 2012-04-20 09:56:36下载
- 积分：1
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一种基于高阶累积量的数字调相信号识别方法
说明： 对当前通信信号中常用的数字调相信号BPSK、QPSK、1／4一QPSK、8PSK的调制识别问题，提出了一种基于信号差分高阶累积量的识剐算法。该算法分两个层次进行调制识别，首先利用信号的四阶累积量特征对BPSK、QPSK和{1／4一QPSK、8PSK}信号进行识别，然后再利用信号差分的四阶和八阶累积量特征对1/4-QPSK、8PSK信号进行识别。从理论上分析了的该算法的有效性，并通过计算机仿真验证了算法具有良好的性能。(A recognition algorithm based on differential high-order cumulant is proposed for the modulation recognition problems of BPSK, QPSK, 1/4-QPSK and 8PSK, which are commonly used in current communication signals. The algorithm is divided into two levels for modulation recognition. Firstly, BPSK, QPSK and {1/4-QPSK, 8PSK} signals are identified by using the fourth-order cumulant characteristics of signals, and then 1/4-QPSK and 8PSK signals are identified by using the fourth-order cumulant and eighth-order cumulant characteristics of signal difference. The validity of the algorithm is analyzed theoretically, and the good performance of the algorithm is verified by computer simulation.)
- 2020-06-21 09:40:02下载
- 积分：1
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ResourceAllocationV2X-master
说明： 智能汽车和智能交通的关键技术，V2X（车联网）无线资源分配(The key technology of intelligent vehicle and intelligent transportation, v2x (Internet of vehicles) wireless resource allocation)
- 2021-03-19 09:14:00下载
- 积分：1
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HuaWei_Design
华为内部程序设计培训文档。
值得学习一下。。。
- 2009-11-20 18:10:13下载
- 积分：1
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4
说明： 4. 试说明卷积编解码的工作原理：
(1) 使用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码，其中的编码、译码全部是自己编写代码(S-Function方式)，不是调用Simulink的已有编码、译码函数。
(2) 请在加性白高斯噪声信道中，画出比特信噪比与误码率的关系曲线。(4. Try to explain the working principle of convolutional codec:
(1) Simulink was used to simulate convolutional coding, and Viterbi decoding method was used for decoding. The coding and decoding were all written by oneself (s-function method), rather than calling the existing coding and decoding functions of Simulink.
(2) in the additive white gaussian noise channel, please draw the curve of the relationship between bit signal-to-noise ratio and bit error rate.)
- 2021-01-23 11:48:39下载
- 积分：1
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H infinite transfer alignment
从实际应用的角度出发，提出利用跟踪微分滤波器抑制机冀挠曲变形产生的影响，通过杆臂效应补偿消
除干扰加速度，用延时补偿算法减少由数据传输延迟造成的量测信息误差。在此基础之上，采用“速度+姿态”
匹配方案，研究了基于H_滤波估计的快速传递对准方法.大量数值仿真、静态试验、动态跑车试验表明，这
些方法有收敛速度较快、精度较高的特点，并t,有较强的抗干扰能力。试验也验证了传递对准方法的有效、可
行，能满足控制系统对导航信息的精度要求.
()
- 2008-04-02 19:08:00下载
- 积分：1
