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一种课堂考勤方法及系统

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成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明公开了一种时变信道下二进制相移键控信号均衡处理方法及系统，所述方法包括：正交频分复用信号经过时变信道后，正交频分复用系统接收端接收到采样信号；将单个正交频分复用周期内接收到的采样信号转换为采样信号向量；对采样信号向量进行傅里叶变换后获取接收到的频域向量；根据频域向量的实部和虚部，构造接收向量；根据MMSE准则构造第一均衡矩阵，并对均衡矩阵进行奇异值分解得到第二均衡矩阵；将第二均衡矩阵右乘构造的接收向量，获得估计的频域发送向量。本发明考虑BPSK信号只有实值的先验信息，提高了信号检测的性能，计算复杂度也得到了较大幅度的降低，可以应用于高速铁路、低空飞行器等移动环境下，为用户提供高质量的通信服务。

成果应用案例介绍

方法过程>处理方法>时变信道二进制相移键控信号平衡处理方法

联系方式

电话/微信: 13822630888

相关成果

免责声明 / 网站地图 / 平台简介 / 友情链接

邮箱：zeccea@qq.com QQ群：318441538 客服电话：0758-2721389 秘书处电话/微信：13822630888

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[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000010s ]
[ CACHE ] INIT File
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[ BEHAVIOR ] Run \addons\fastflow\Fastflow @app_init [ RunTime:0.000024s ]
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[ BEHAVIOR ] Run \addons\treaty\Treaty @app_init [ RunTime:0.000027s ]
[ BEHAVIOR ] Run \addons\upyun\Upyun @app_init [ RunTime:0.000015s ]
[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000031s ]
[ BEHAVIOR ] Run app\common\behavior\Common @app_init [ RunTime:0.000242s ]
[ LANG ] /www/wwwroot/open.juabc.com/thinkphp/lang/zh-cn.php
[ BEHAVIOR ] Run app\common\behavior\Common @app_dispatch [ RunTime:0.000011s ]
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