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The zoom metalens has been a research hotspot for metasurfaces in recent years. There are currently a variety of zoom methods, including dual metalenses, micro-electromechanical system metalenses, polydimethylsiloxane metalenses and Alvarez metalenses ...
Ning Xu +11 more
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Enabling passive measurement of zoom performance in production networks
Video-conferencing applications impose high loads and stringent performance requirements on the network. To better understand and manage these applications, we need effective ways to measure performance in the wild.
Oliver Michel +4 more
semanticscholar +1 more source
Pembelajaran jarak jauh yang dilakukan selama pandemi Covid-19 mengakibatkan berbagai masalah. Kejenuhan yang dialami peserta didik dan tidak pahamnya materi yang disampaikan mengakibatkan turunnya keaktifan peserta didik dalam kegiatan belajar mengajar.
Chanifah Chanifah +2 more
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Continuous optical zoom microscope with extended depth of field and 3D reconstruction
Microscope such as fluorescence microscope, confocal microscope and two-photon microscope plays an important role in life science, laser processing and other fields. However, most microscopes only have discrete zoom rates.
Chao Liu +5 more
semanticscholar +1 more source
Using the Zoom Platform in Distance Learning of a Foreign Language
The article considers the use of the Zoom platform in distance learning of a foreign language. The aim of the study is to consider the possibilities of using Zoom in distance learning of a foreign language.
A. V. Gureeva
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Reconfigurable Parfocal Zoom Metalens
We designed and experimentally realized a non-mechanically tuned metalens capable of performing ×10 zoom while maintaining focus. The metalens consists of two dielectric metasurfaces made of low-loss optical phase-change material, Ge2Sb2Se4Te1.
Fan Yang +11 more
semanticscholar +1 more source
Can you see me now?: a measurement study of Zoom, Webex, and Meet [PDF]
Since the outbreak of the COVID-19 pandemic, videoconferencing has become the default mode of communication in our daily lives at homes, workplaces and schools, and it is likely to remain an important part of our lives in the post-pandemic world. Despite
Hyunseok Chang +3 more
semanticscholar +1 more source
“Zoomar” y no restar en los cursos de ELE en Israel en tiempos de pandemia [PDF]
La pandemia del COVID-19 ha suscitado el pasaje abrupto de las clases presenciales de todas las asignaturas –incluidas la de ELE– a las clases por zoom.
Lerner, Ivonne
doaj
In this article, we ask the question: Why do students choose to turn their cameras off during online teaching? We discuss this issue from the perspective of adaptive structuration theory and media richness theory.
Inge Hermanrud +6 more
doaj +1 more source
Zoom-Mediated Online Learning Towards Students Reading Interest: An Experimental Study
In the last two years, the trend of online learning in universities has utilized Zoom as the main media to conduct the learning process. This study sought to determine the effect of using Zoom on students' reading interest.
Laras Aryandini Sukma +2 more
doaj +1 more source

