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利用伪谱法实现颅脑模型下相控阵声场聚焦

成果领域: 节能环保

推广方式: 技术许可,技术合作,其他

成果归属企业: 吉林大学物理学院吕伟国教授科研团队

成果鉴定时间:0000-00-00

成果介绍

基于声学伪谱法开发颅脑模型下相控阵声场聚焦的技术，实现超声相控阵声源对脑部病灶进行超声聚焦，从而达到对脑部肿瘤的无手术精准治疗。为在复杂颅脑模型下实现相控阵声场聚焦，采用虚拟点源及时间反转的方式，通过在颅脑内部设置虚拟点源计算相控阵阵元处的声波到时，提取到时形成相控阵延时数据进行激励，实现在虚拟点源位置的声场聚焦。分析聚焦声场特性，分析各参数对聚焦声场影响规律，确定最优发射形式及换能器参数。在以上计算实现的基础上，逐步建立几何分布不规则的更接近真实状态颅脑模型，从而对实际聚焦声发射提供延时数据。

成果应用案例介绍

联系方式

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[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000015s ]
[ CACHE ] INIT File
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[ BEHAVIOR ] Run \addons\fastflow\Fastflow @app_init [ RunTime:0.000032s ]
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[ BEHAVIOR ] Run \addons\treaty\Treaty @app_init [ RunTime:0.000041s ]
[ BEHAVIOR ] Run \addons\upyun\Upyun @app_init [ RunTime:0.000022s ]
[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000045s ]
[ BEHAVIOR ] Run app\common\behavior\Common @app_init [ RunTime:0.000377s ]
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[ BEHAVIOR ] Run app\common\behavior\Common @app_dispatch [ RunTime:0.000016s ]
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[ DB ] INIT mysql
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[ RUN ] app\index\controller\Results->views[ /www/wwwroot/open.juabc.com/application/index/controller/Results.php ]
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[ BEHAVIOR ] Run \addons\wxfollowlogin\Wxfollowlogin @view_filter [ RunTime:0.000037s ]

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