{"topArticles":[],"articles":[{"authors":[],"datetime":null,"description":"

The increase of touchscreen interfaces in automotive applications leads to a visual overload of information that has serious safety implications. Haptic feedback technology is seen as an opportunity to improve the user experience and reduce the cognitive load of interacting with touchscreens.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_5b9b8d24a4.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_5b9b8d24a4.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_fb12258831.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_fb12258831.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_f6cf9a8b56.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_f6cf9a8b56.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_2aae71c6d9.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_2aae71c6d9.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/2\/csm_testing-haptic-displays_5b9b8d24a4.jpg","alt":"Hand touches futuristic display in a car","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/testing-haptic-displays-for-tough-automotive-conditions","origUid":7673,"readingTime":"5 min","subline":"Testing haptic displays for tough automotive conditions","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Automotive & aerospace","uid":3},{"title":"Electronics, semicon, solar","uid":5},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Laser vibrometer based acoustic performance evaluation from -40° to 85°C","uid":7679,"visits":52},{"authors":[],"datetime":null,"description":"

I<\/strong>f you would like to test the vibration behavior of an object that is not vibrating by its own, you have to excite it externally. For modal tests both an electromagnetic shaker and a modal hammer are common broadband excitation tools that has been widely used for many years. ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_d59a964c99.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_d59a964c99.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_2db32f24a4.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_2db32f24a4.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_5ef1338472.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_5ef1338472.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_35c682413f.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_35c682413f.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/c\/csm_inertial-shakers-for-modal-testing_d59a964c99.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/inertial-shakers-for-modal-testing","origUid":7604,"readingTime":"6 min","subline":"Exciting comparison","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Automotive & aerospace","uid":3},{"title":"Electronics, semicon, solar","uid":5},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Inertial shakers for modal testing","uid":7607,"visits":71},{"authors":[{"fullName":"Eric Hensel","fullOfficialName":" Eric Hensel"},{"fullName":"Martin Burkhardt","fullOfficialName":" Martin Burkhardt"},{"fullName":"Marco Gnauck","fullOfficialName":" Marco Gnauck"},{"fullName":"Jochen Schell","fullOfficialName":"Dr. Jochen Schell"},{"fullName":"Eugen Biegler","fullOfficialName":"Dipl.-Ing. Eugen Biegler"}],"description":"

频响函数(FRF)的测量对于获取结构的动力学特性具有重要意义。在大多数情况下,我们的测试目的是对系统进行测量分析,或者确定动态特性用于验证仿真模型。<\/p>\r\n

在结构动力学中广泛使用的获取频响的方法是用脉冲锤进行系统激励,用加速度计测量响应。这种方法的缺点是,粘贴式传感器存在附加质量和和刚度(电缆)影响,尤其是在测量轻质结构时,会造成被测结构的动力学特性的显著变化。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_a5e3b715ca.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_a5e3b715ca.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_c693b41517.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_c693b41517.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/automotive-development.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/automotive-development.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_bc5b77bd60.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_bc5b77bd60.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/5\/csm_automotive-development_a5e3b715ca.jpg","alt":"Automotive development","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E4%BD%BF%E7%94%A8qtec%E5%A4%9A%E9%80%9A%E9%81%93%E5%B9%B2%E6%B6%89%E6%8A%80%E6%9C%AF%E6%B5%8B%E9%87%8F%E9%A2%91%E5%93%8D%E5%87%BD%E6%95%B0","origUid":7537,"readingTime":"7 min","subline":"实际测试中的新型测振技术","tags":[{"title":"Automotive & aerospace","uid":3}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"使用QTec®多通道干涉技术测量频响函数","uid":7537,"visits":127},{"authors":[],"datetime":null,"description":"

Everybody enjoys good sound quality on a mobile device when watching a show or when communicating with friends and family or in a business environment. On the other hand, we cringe when something is off with the audio. ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_7dfc6f3ee9.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_7dfc6f3ee9.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_a4cbc856ec.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_a4cbc856ec.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_9488f55715.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_9488f55715.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_3e4399e811.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_3e4399e811.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_singing-capacitors_7dfc6f3ee9.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/how-singing-capacitors-affect-the-audio-experience-in-consumer-electronics","origUid":7496,"readingTime":"3 min","subline":"Bad singers","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Automotive & aerospace","uid":3},{"title":"Electronics, semicon, solar","uid":5}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"How singing capacitors affect the audio experience in consumer electronics","uid":7510,"visits":63},{"authors":[],"datetime":null,"description":"

In the realm of vibration testing, a significant obstacle arises in the form of mass loading. The behavior of a dynamic vibration sample, or device under test (DUT), is profoundly influenced by the additional mass applied to it. This phenomenon is particularly pronounced in vibrating cantilevered beams, and it becomes even more intricate when dealing with curved cantilevered beams like turbine blades. ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_f7b274423b.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_f7b274423b.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_86a282810b.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_86a282810b.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_2b680fdf6a.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_2b680fdf6a.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/2\/csm_mass-loading-turbines_a28d48bb7b.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/effects-of-mass-loading","origUid":7487,"readingTime":"5 min","subline":"Effects of mass loading","tags":[{"title":"General R&D","uid":6},{"title":"Automotive & aerospace","uid":3},{"title":"Civil & structural engineering","uid":7},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"When to choose a laser Doppler vibrometer for vibration measurement","uid":7490,"visits":123},{"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_b2c043f173.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_b2c043f173.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_7274aa081d.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_7274aa081d.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_76da5f99dd.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_76da5f99dd.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/c\/0\/csm_steel-process-control_b2c043f173.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":130},{"authors":[],"datetime":null,"description":"

Noise protection and control play a major role in both professional and private environments. Airborne sound measurements help identify acoustic paths as a means of noise reduction as standard testing method. The underlying sound generation is typically achieved by using omnidirectional sound sources ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_384f5ee757.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_384f5ee757.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_0d42c0553c.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_0d42c0553c.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_9d1ae8f210.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_9d1ae8f210.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/analyzing-operational-deflection-shapes-on-loudspeakers","origUid":6845,"readingTime":"4 min","subline":"Loudspeakers for noise protection","tags":[{"title":"Automotive & aerospace","uid":3},{"title":"Acoustics & ultrasonics","uid":2},{"title":"Civil & structural engineering","uid":7},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Analyzing operational deflection shapes on loudspeakers","uid":6848,"visits":321},{"authors":[],"description":"

使用3D Xtra系统获取滚动轮胎的3D工作变形,揭示噪音来源
 <\/p>\r\n

在不同的驾驶条件下,滚动轮胎会在车厢内外产生大量的噪音(NVH),这种噪音必须解决掉的三大理由:<\/p>\r\n

` 滚动轮胎产生的路面噪音会降低车乘体验,并会干扰道路沿线的居民。
` 许多关注市区噪声的国家预计会出台有关限制轮胎噪音的新规定。
` 电动汽车因没有内燃机噪音的优势,有可能因为轮胎噪音而大打折扣。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_7e1a6b4540.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_7e1a6b4540.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/car-tires.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/car-tires.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_4fdd3eb3ba.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_4fdd3eb3ba.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_1e85c072b8.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_1e85c072b8.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/e\/c\/csm_car-tires_7e1a6b4540.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/xtra-3d-scanning-vibrometry-on-rolling-tires","origUid":6561,"readingTime":"5 min","subline":"揭示道路噪音来源
 ","tags":[{"title":"Automotive & aerospace","uid":3}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"使用PSV-500-3D 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