نتایج جستجو برای: ژیروسکوپ mems
تعداد نتایج: 9216 فیلتر نتایج به سال:
We combine here two well-known and established concepts: microelectromechanical systems (MEMS) and neurocomputing. First, we consider MEMS oscillators having low amplitude activity and we derive a simple mathematical model that describes nonlinear phase-locking dynamics in them. Then, we investigate a theoretical possibility of using MEMS oscillators to build an oscillatory neurocomputer having...
this article describes an accurate subpico flowmeter bifurcatedin to liquid and gas flowrates less than 1mol/s for both mems/nems and cryogenic technology applications. the mems/nems are described as either two gauges (instrument), or quartz fluctuating forks, even if the liquid or gas flows through an element, as well as cryogenic technology consisting of arrays of either parallel photonic cry...
در دو دهه اخیر استفاده از ارتباطات بی سیم افزایش چشم گیری داشته است و به علت اشباع استفاده از فرکانس های کم، استفاده از فرکانس های بالا در دستور کار اغلب تولید کنندگان سیستم های ارتباطی قرار گرفته است. قطعات mems از جمله سوئیچ های mems به دلایل عدیده ای مورد توجه تولیدکنندگان سیستم های rf فرکانس بالا (بیشتر از ghz) قرار گرفته است. قطعات mems با توجه به اینکه مزایای زیادی از جمله تلفات کم، رفتا...
MEMS (micro-electro-mechanical-systems) device has been a promising and fascinating topic in both mechanical and electrical engineering domains for decades with the revolutionary contributions to the contemporary micro-scale instruments especially for the micro-actuator and micro-sensor. Among the versatile material foundation to build up the MEMS device, silicon wafer is preferred to due to th...
Metamaterials, materials that are constructed with arrays of small elements have significant potential to provide material properties that are useful for electromagnetic applications but are not found in nature. Slight changes to a repeated unit cell can be used to tune the effective bulk material properties of a metamaterial, replacing the need to discover suitable materials for an application...
Problem statement: In this study Microelectrical Mechanical System (MEMS) switches were proposed to design a reconfigurable/multi-band antenna to replaced PIN diode switches or semiconductor switches due to lower insertion losses, good isolation, much lower intermodulation distortion, and lower power consumption. The antenna is able to operate at very high frequencies. Approach: A reconfigurabl...
With their extremely low mass and volume, low power consumption and tight integration with electronics, MEMS (microsystems) sensors and actuators are extremely appealing for reducing the size and mass of spacecraft without sacrificing functionality. In view of the harsh and remote environment of space, reliability and qualification is the crucial issues that are holding back MEMS from playing a...
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