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finalresults
异质结双极型晶体管的设计与仿真，运行在silvaco(The design of the heterojunction bipolar transistor and simulation)
- 2018-01-29 18:55:55下载
- 积分：1
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code
说明： 对舰载 HFSWR（高频地波雷达）的阵列误差进行数学建模，通过 MATLAB 仿真来分析阵列误差对两种阵列信号处理算法的影响，并在此基础上以幅相误差为例研究了误差校正算法。(Construct the mathematical modeling of array error, and to analyze the influence of array error on the array signal processing algorithm. Based on this, the error calibration algorithm is studied by taking the amplitude and phase error as an example)
- 2020-03-02 23:49:08下载
- 积分：1
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DOA_2
说明： 其中第一个压缩文件为ESPRIT在一维和二维下的算法，二维采用的是L形阵列，另外的一个文件是MUSIC算法以及rootMUSIC算法，以及两者的对比代码文件(One dimension and two dimension Esprit DOA estimation algorithm)
- 2019-10-16 16:14:37下载
- 积分：1
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Watterson
短波信道watterson模型的建模仿真，已经编译通过。(Watterson HF channel modeling and simulation model has been compiled through.)
- 2021-04-01 10:29:07下载
- 积分：1
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matlab
蜂窝移动通信系统中的同频干扰仿真。旨在找到簇大小为N时，无线移动蜂窝系统中同频干扰的分布。(Co-channel interference in cellular mobile communication system simulation. To find the distribution of cluster size N, wireless mobile cellular systems in the same frequency interference.)
- 2013-04-12 10:39:34下载
- 积分：1
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BX-5K 5MK user manual
说明： BX-5MK2 user manual guide
- 2020-06-20 16:40:02下载
- 积分：1
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chapter6
J2ME开发精解原码 第5章内容 大家多多交流 共同提高(J2ME development of sperm solution Chapter 5 of the original code the content of many U.S. exchanges enhance common)
- 2008-05-03 11:59:55下载
- 积分：1
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5
说明： 5. 在三条径的瑞利信道中，对于直接序列扩频：
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum:
(1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate.
(2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve.
(3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)
- 2019-01-15 10:58:23下载
- 积分：1
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123
为了提高MIMO-OFDM系统的数据传输率和频谱利用率,提出一种新的自适应算法。该算法在保证信道质量所需误码率和总发射功率的前提下,按照各个子载波衰落程度动态地分配比特和功率,使系统的总数据传输速率最大。理论分析得出,该算法降低了系统运算复杂度,能很大地改善系统的整体性能。(In order to improve data transmission rates and spectrum efficiency of MIMO-OFDM systems,this paper proposes a new adaptive algorithm. While the channel transmission quality to meet the requirements of a certain target BER(bit error rate) and total emissive power,according to each sub-carrier decline degree to adjust each sub-carrier modulation method freely,try to minimize the total data rate of system. Theory analysis shows the algorithm can reduce system complexity and improve overall performance of the ...)
- 2011-09-05 15:22:03下载
- 积分：1
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bp
说明： BP神经网络信道均衡，matlab的仿真实现(BP neural network channel equalization)
- 2020-06-03 20:18:50下载
- 积分：1
