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超声成像是医学影像技术的主要工具之一，通常被称为医学超声波诊断法。产生超声波的超声换能器技术的发展是医学超声研究的热门课题。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/0\/csm_fem-ultrasound-transducers_b4f45914e1.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/0\/csm_fem-ultrasound-transducers_b4f45914e1.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/fem-ultrasound-transducers.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/fem-ultrasound-transducers.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/fem-ultrasound-transducers.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/fem-ultrasound-transducers.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/0\/csm_fem-ultrasound-transducers_eab18513ee.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/0\/csm_fem-ultrasound-transducers_eab18513ee.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/0\/csm_fem-ultrasound-transducers_b4f45914e1.jpg","alt":"ultrasound transducers","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E8%B6%85%E5%A3%B0%E6%8D%A2%E8%83%BD%E5%99%A8%E7%9A%84%E6%9C%89%E9%99%90%E5%85%83%E9%AA%8C%E8%AF%81","origUid":6692,"readingTime":"6 min","subline":"仿真VS实测","tags":[{"title":"Micro & nanotechnology","uid":10}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"超声换能器的有限元验证","uid":6692,"visits":1855}],"articles":[{"authors":[],"datetime":null,"description":"

Climate change is one of the dominating challenges of modern society and industry. Even though steel is one of the worlds most recycled materials, the steel industry remains the largest industrial emitter of carbon dioxide. For a more sustainability and responsible manufacturing, ProSpeed® Laser Surface Velocimeters can assist in process control  ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_a545f11d3a.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_a545f11d3a.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_483ef93ce9.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_483ef93ce9.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_f90c32bdda.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_f90c32bdda.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_f7103acc1e.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_f7103acc1e.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_a545f11d3a.jpg","alt":"Steel process control","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/sustainable-production-in-steel-and-metals-industry","origUid":7326,"readingTime":"3 min","subline":"Sustainable production in steel and metals industry","tags":[{"title":"Production, process & quality","uid":12},{"title":"Automotive & aerospace","uid":3},{"title":"Civil & structural engineering","uid":7}],"technologies":[{"title":"Velocimetry","uid":213}],"title":"Efficient process control using ProSpeed® laser speed and length sensors","uid":7330,"visits":11},{"authors":[{"fullName":"Rong Zhu Gan","fullOfficialName":"Prof. Rong Zhu Gan"},{"fullName":"Vikrant Palan, Ph.D.","fullOfficialName":" Vikrant Palan, Ph.D."}],"description":"

我们有幸于2022年7月26日远程采访了干荣珠教授。在她所在的科研领域里，她的声名如雷贯耳。她是俄克拉何马大学机械工程系的首席教授，已在该大学工作了25年，更重要的是，她是人耳力学领域的先驱之一。她做过中耳，内耳的有限元建模、植入式装置、组织生物力学等等。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_84250bdd87.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_84250bdd87.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_0f252ecea2.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_0f252ecea2.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_84250bdd87.jpg","alt":"Prof. Rong Zhu Gan","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E5%90%AC%E5%8A%9B%E6%B5%8B%E8%AF%95%E9%A2%86%E8%B7%91%E8%80%85","origUid":7324,"readingTime":"3 min","subline":"听力测试领跑者","tags":[{"title":"Biology & medical","uid":4},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"庆祝干荣珠教授出色的职业生涯","uid":7324,"visits":55},{"authors":[{"fullName":"Mareike Kohm","fullOfficialName":"Dr.-Ing. Mareike Kohm"},{"fullName":"Joline Dank","fullOfficialName":"M.Sc. Joline Dank"}],"description":"

随着人们对基础设施的安全性关注度越来越高，对现有结构的安全评估和剩余使用寿命预测提出了挑战。可靠的、技术上可行的和经济的健康监测解决方案是保证结构安全和满足用途的必要条件，是获得有关结构损伤过程和当前结构特性的有用信息的关键前提。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_f04c99bf7c.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_f04c99bf7c.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_307755a405.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_307755a405.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/validation-of-bridge-superstructures.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/validation-of-bridge-superstructures.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_51f3a3435e.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_51f3a3435e.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/5\/csm_validation-of-bridge-superstructures_f04c99bf7c.jpg","alt":"Bridge","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E6%A1%A5%E6%A2%81%E4%B8%8A%E9%83%A8%E7%BB%93%E6%9E%84%E7%9A%84%E8%AF%95%E9%AA%8C%E6%A8%A1%E6%80%81%E9%AA%8C%E8%AF%81","origUid":7259,"readingTime":"5 min","subline":"桥梁上部结构的试验模态验证","tags":[{"title":"General R&D","uid":6},{"title":"Civil & structural engineering","uid":7}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"基于模态测试的监测系统","uid":7259,"visits":75},{"authors":[{"fullName":"Kristian Kroschel","fullOfficialName":"Prof. Dr.-Ing. Kristian Kroschel"}],"description":"

心脏和循环系统疾病是人类最常见的致死病因——甚至比癌症还要严重！因此，我们要非常重视心脏的健康。那么该如何重视呢？我们知道，当医生使用心电图(ECG)测试心脏功能时，会观察脉搏上升曲线图。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_09a48cd7b5.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_09a48cd7b5.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/cardiac-fibrillation-from-distance.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/cardiac-fibrillation-from-distance.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_7cdbdd533d.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_7cdbdd533d.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E9%9D%9E%E6%8E%A5%E8%A7%A6%E5%BC%8F%E8%A7%82%E5%AF%9F%E5%BF%83%E8%84%8F%E9%A2%A4%E5%8A%A8%E7%9B%B8%E5%BD%93%E4%BA%8E%E7%94%A8%E5%85%AB%E5%80%8D%E9%95%9C%E8%A7%82%E5%AF%9F%E8%99%BD%E8%BF%9C%E4%BD%86%E7%BA%A4%E6%AF%AB%E6%AF%95%E7%8E%B0","origUid":7199,"readingTime":"6 min","subline":"用激光测试心跳","tags":[{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"非接触式观察心脏颤动，相当于用八倍镜观察，虽远，但纤毫毕现","uid":7199,"visits":229},{"authors":[{"fullName":"Harald Mittelhammer","fullOfficialName":" Harald Mittelhammer"}],"description":"

在MAN ENERGY SOLUTIONS，我们为海事部门提供系列综合发动机、螺旋桨、艉部设备和涡轮增压器。可靠性是我们行业（尤其是船舶业）关注的第一要务。在产品的研发阶段，我们使用德国Polytec公司的扫描式激光测振仪来获取测试数据，不断地对样件进行模态验证及模型优化，测试，直到部件可以进行量产。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_d1d42e4f8b.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_d1d42e4f8b.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_5ec2c5b1dc.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_5ec2c5b1dc.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/turbolader-schiffsmotoren.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/turbolader-schiffsmotoren.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_ae84c87e3a.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_ae84c87e3a.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_turbolader-schiffsmotoren_d1d42e4f8b.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E8%88%B9%E8%88%B6%E5%8F%91%E5%8A%A8%E6%9C%BA%E6%B6%A1%E8%BD%AE%E5%A2%9E%E5%8E%8B%E5%99%A8%E7%9A%84%E6%BF%80%E5%85%89%E6%8C%AF%E5%8A%A8%E6%B5%8B%E8%AF%95","origUid":7198,"readingTime":"5 min","subline":"船舶发动机涡轮增压器的激光振动测试","tags":[{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"边界条件，测试误差，可重复度","uid":7198,"visits":102},{"authors":[],"datetime":null,"description":"

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Osteoarthritis, a degenerative disease in the joint, is a condition that is afflicting approximately 14% of adults. Understanding the dynamics of the joint cartilage is crucial for research and for finding effective treatment methods.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_865730ff38.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_865730ff38.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/osteoarthritis-therapy-using-laser-vibration-measurement.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/osteoarthritis-therapy-using-laser-vibration-measurement.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_baef298120.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_baef298120.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg","alt":"human knee","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/osteoarthritis-therapy-using-laser-vibration-measurement","origUid":6984,"readingTime":"6 min","subline":"Laser vibration measurement enhances osteoarthritis therapy","tags":[{"title":"Biology & medical","uid":4},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Non-contact alternative to dynamic and viscoelastic mechanical testing in cartilage","uid":6988,"visits":228},{"authors":[],"datetime":null,"description":"

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