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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":"Ozan Erturk","fullOfficialName":"B.S., Ph.D. Candidate Ozan Erturk"},{"fullName":"Sunil Bhave","fullOfficialName":"B.S., Ph.D., Prof. Sunil Bhave"}],"description":"

压电片谐振器用于传递特定的轮廓模态体声波(BAW)谐振振型。基于铌镁酸铅-钛酸铅 (PMN-PT)薄膜的独特性,必须使用激光多普勒测振仪来测量微型盘式谐振器。PMN-PT是一种铁电材料,以其良好的压电和电致伸缩性能而闻名。面内位移曲线,可显示出轮廓模态、共振模态、切向模态和酒杯模态族。这些轮廓模态对生物传感、射频和旋转传感应用具有重要意义。<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_499e410df9.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_499e410df9.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_28f7b9110b.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_28f7b9110b.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_641d983514.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_641d983514.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_cb9bb33f99.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_cb9bb33f99.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_499e410df9.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/%E5%8E%8B%E7%94%B5%E7%89%87%E8%B0%90%E6%8C%AF%E5%99%A8%E8%BD%AE%E5%BB%93%E6%A8%A1%E6%80%81%E7%9A%84%E5%8D%95%E7%94%B5%E6%9E%81%E4%BC%A0%E5%AF%BC","origUid":7527,"readingTime":"4 min","subline":"您一直好奇的关于压电材料和酒杯模态","tags":[{"title":"Electronics, semicon, solar","uid":5},{"title":"General R&D","uid":6},{"title":"Materials research & NDT","uid":9},{"title":"Micro & nanotechnology","uid":10}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"压电片谐振器轮廓模态的单电极传导","uid":7527,"visits":85},{"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":"

Haptic holography or mid-air haptics promises to bring virtual reality to life, but a new study reveals a surprising physical obstacle that will need to be overcome. A research team at UC Santa Barbara has discovered a new phenomenon ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_2c8c270536.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_2c8c270536.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_eac6ae978b.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_eac6ae978b.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_57412b689b.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_57412b689b.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_a5e79c20ff.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_a5e79c20ff.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/9\/csm_haptic-holography_2c8c270536.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/laser-vibrometry-sheds-light-on-secrets-of-haptic-holography","origUid":7443,"readingTime":"6 min","subline":"Laser vibrometry sheds light on secrets of haptic holography","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Electronics, semicon, solar","uid":5}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"How shear shock waves influence perception","uid":7451,"visits":95},{"authors":[],"datetime":null,"description":"

The smartphone has shown that buttons can be replaced without sacrificing comfort. The freely configurable display with gesture control has made it even easier to switch between applications. Hap2U drives this revolution in human machine interfacing forward. Its novel technology adds high fidelity haptic feedback...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_5cc35c99a8.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_5cc35c99a8.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_8613255841.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_8613255841.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_6de65a265f.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_6de65a265f.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_9cea0e53f2.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_9cea0e53f2.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_5cc35c99a8.jpg","alt":"Haptic displays","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/feeling-the-invisible","origUid":6708,"readingTime":"7 min","subline":"Feeling the invisible","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Automotive & aerospace","uid":3},{"title":"Electronics, semicon, solar","uid":5}],"technologies":[{"title":"Technology Areas Magazine EU","uid":215},{"title":"Vibrometry","uid":214}],"title":"Laser vibrometry visualizing haptic feedback","uid":6711,"visits":490},{"authors":[],"datetime":null,"description":"

For applications where tactile surface measurement techniques have shortcomings, non-contact optical instruments have been developed to overcome these shortcomings. 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