登录
首页 » matlab » 5

5

于 2019-01-15 发布
0 309
下载积分: 1 下载次数: 15
我要下载

代码说明：

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.)

文件列表：

5, 0 , 2018-12-13
5\1, 0 , 2018-12-12
5\1\BER, 0 , 2018-12-13
5\1\BER\DS_CDMA2.slx, 24659 , 2018-12-13
5\1\BER\DS_CDMA2_m.m, 313 , 2018-12-13
5\1\BER\slprj, 0 , 2018-12-12
5\1\BER\slprj\modeladvisor, 0 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_, 0 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1, 0 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder.png, 305 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_failed.png, 3257 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_pass.png, 3217 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_warning.png, 3250 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_folder.png, 3115 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_procedure.png, 3295 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task.png, 3040 , 2007-06-18
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_disabled.png, 3318 , 2007-02-21
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_pselected.png, 3350 , 2007-02-21
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_required.png, 3243 , 2007-06-18
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\info_icon.png, 3394 , 2007-12-10
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\minus.png, 272 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\ModelAdvisorData, 9976832 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\model_diagnose_custom.html, 179507 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\plus.png, 283 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_failed.png, 3372 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_passed.png, 3305 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_warning.png, 3304 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\report.html, 78152 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\report_691.html, 78152 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_disabled.png, 267 , 2009-10-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_failed.png, 3209 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_failed_h.png, 503 , 2011-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_forcepass.png, 3479 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_passed.png, 3483 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_req_forcepassed.png, 3391 , 2006-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_req_passed.png, 3349 , 2006-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_warning.png, 3131 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\task_warning_h.png, 637 , 2012-10-05
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\vandv.png, 162 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\vandvback.png, 162 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2, 0 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\folder.png, 305 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\folder_failed.png, 3257 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\folder_pass.png, 3217 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\folder_warning.png, 3250 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_folder.png, 3115 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_procedure.png, 3295 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_task.png, 3040 , 2007-06-18
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_task_disabled.png, 3318 , 2007-02-21
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_task_pselected.png, 3350 , 2007-02-21
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\icon_task_required.png, 3243 , 2007-06-18
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\info_icon.png, 3394 , 2007-12-10
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\minus.png, 272 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\ModelAdvisorData, 9976832 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\model_diagnose_custom.html, 179507 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\plus.png, 283 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\procedure_failed.png, 3372 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\procedure_passed.png, 3305 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\procedure_warning.png, 3304 , 2007-11-17
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\report.html, 78152 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\report_691.html, 78152 , 2018-12-12
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_disabled.png, 267 , 2009-10-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_failed.png, 3209 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_failed_h.png, 503 , 2011-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_forcepass.png, 3479 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_passed.png, 3483 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_req_forcepassed.png, 3391 , 2006-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_req_passed.png, 3349 , 2006-12-20
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_warning.png, 3131 , 2006-11-19
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\task_warning_h.png, 637 , 2012-10-05
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\vandv.png, 162 , 2005-05-15
5\1\BER\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA2\vandvback.png, 162 , 2005-05-15
5\1\BER\slprj\sl_proj.tmw, 82 , 2018-12-12
5\1\MSE, 0 , 2018-12-13
5\1\MSE\DS_CDMA1.slx, 28304 , 2018-12-13
5\1\MSE\DS_CDMA1_m.m, 313 , 2018-12-13
5\1\MSE\slprj, 0 , 2018-12-13
5\1\MSE\slprj\modeladvisor, 0 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_, 0 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1, 0 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder.png, 305 , 2005-05-15
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_failed.png, 3257 , 2006-11-19
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_pass.png, 3217 , 2006-11-19
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\folder_warning.png, 3250 , 2006-11-19
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_folder.png, 3115 , 2006-11-19
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_procedure.png, 3295 , 2007-11-17
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task.png, 3040 , 2007-06-18
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_disabled.png, 3318 , 2007-02-21
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_pselected.png, 3350 , 2007-02-21
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\icon_task_required.png, 3243 , 2007-06-18
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\info_icon.png, 3394 , 2007-12-10
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\minus.png, 272 , 2005-05-15
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\ModelAdvisorData, 9976832 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\model_diagnose_custom.html, 179507 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\plus.png, 283 , 2005-05-15
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_failed.png, 3372 , 2007-11-17
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_passed.png, 3305 , 2007-11-17
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\procedure_warning.png, 3304 , 2007-11-17
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\report.html, 78152 , 2018-12-12
5\1\MSE\slprj\modeladvisor\com_2emathworks_2eSimulink_2eUpgradeAdvisor_2eUpgradeAdvisor_\DS__CDMA1\report_691.html, 78152 , 2018-12-12

下载说明：请别用迅雷下载，失败请重下，重下不扣分！

发表评论

0 个回复

  • pskfangzhen
    实现4psk调制 理论和实际对比的误码率曲线输出(4PSK modulation error rate output)
    2018-04-20 09:24:46下载
    积分：1
  • WVD
    <应用WVD估计AM_FM信号的瞬时频率>,该文研究了应用WVD谱峰检测估计AM-FM信号的瞬时频率的方法及其性能。(< Application WVD estimate AM_FM signal instantaneous frequency> This paper studies the application of WVD peak AM-FM signal detection estimates the instantaneous frequency method and its performance.)
    2011-08-10 20:57:58下载
    积分：1
  • CS_DepthMap
    提供了用MATLAB进行数字图像处理、压缩感知、多种信号重建算法、多种熵编码的MATLAB代码。(The MATLAB codes for digital image processing, compression sensing, multiple signal reconstruction algorithms and multiple entropy coding are provided.)
    2018-10-18 20:19:10下载
    积分：1
  • cpofdm
    说明：  cpofdm信道模型仿真，通过仿真得到cpofdm信道模型的复杂度和在各种信噪比下的误码率(Through the simulation of cpofdm channel model, the complexity of cpofdm channel model and the bit error rate under various SNR are obtained)
    2021-04-15 10:08:55下载
    积分：1
  • kpsgv
    本程序的性能已经达到较高水平，用于特征降维，特征融合，相关分析等,对于初学者具有参考意义。( The performance of the program has reached a high level, For feature reduction, feature fusion, correlation analysis, For beginners with a reference value.)
    2017-04-25 11:28:18下载
    积分：1
  • 利用Matlab软件来实现基于滤波的正交频分复用F-OFDM
    说明：  利用Matlab软件来实现基于滤波的正交频分复用F-OFDM(use the matlab to achieve the F-OFDM)
    2019-09-28 09:27:32下载
    积分：1
  • 公交非接触IC卡读写器的应用设计
    公交非接触IC卡读写器的应用设计采用PHILIPS公司的Mifare卡作IC卡，设计以射频技术为核心，以单片机为控制器的IC卡读写器在公交自动收费系统中的应用。制作的IC卡读写器可以实现制卡、售卡、自动收费等功能，具有安全、实用、方便、快捷、可靠性高的特点，解决了城市公共交通服务行业既频繁又琐碎的收费管理问题，有广泛的应用前景。(Bus non-contact IC card reader applications designed using the Philips Mifare cards for IC cards, designed to RF technology as the core, microprocessor controller IC card reader automatically charges the transit system applications. The production of IC card reader card system can be achieved, A file, automatic charges and other functions, is safe, practical and convenient, fast and high reliability features to solve the urban public transport sector is also frequent charges trivial issues, a broad range of applications.)
    2005-08-12 10:21:07下载
    积分：1
  • function_and_note_in_matlab
    MATLAB的主要函数及其注释 可方便查找用(The main function of MATLAB and its notes can be easily used to find)
    2008-03-26 23:19:24下载
    积分：1
  • whigehook
    This m file models a DPSK UWB system using a delay in one leg
    2018-09-28 06:15:25下载
    积分：1
  • matlab_channel
    wireless communication channels model
    2020-06-21 15:00:02下载
    积分：1
  • 696516资源总数
  • 106914会员总数
  • 0今日下载

热门标签

Visual C++ matlab C/C++ Java Others Unix_Linux EasyLanguage易语言 Visual Basic C# PDF C++ Delphi VHDL ASP WINDOWS
热门下载

Copyright© 2019-2026 | Powered by Imdn | 浙ICP备16007336号 | IMDN交流 | 联系客服（QQ：3324461878）

本网站资源收集自网络及网站用户上传，若有侵权请邮件至（3324461878@qq.com），核实后我们会在24小时内删除，谢谢！