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用户3607565 2015-9-18 18:15: Measuring power supply efficiency: Not that easy; Power supply efficiency is a "hot" topic these days, whether it's an AC/DC or DC/DC unit (sorry about that unavoidable pun). Everyone is concerned ...; 1615 23 0 23

supply efficiency measurement power

用户3607565 2015-8-21 18:29: The union of AC line and CFL/LED lamp; It’s well known that the performance and life of the traditional incandescent bulb performance are very sensitive and highly nonlinear in response ...; 1799 20 2 22

AC LED CFL

用户3607565 2015-8-21 18:25: The Wright Brothers: More than just skilled mechanics; I always get irritated when I read or hear someone say “the airplane was invented by the Wright brothers, bicycle mechanics from Dayton, Ohio.” W ...; 1677 19 0 19

airplance wright engineer

用户3607565 2015-7-31 18:48: Free-Space Optical Test: Are you ready?; The phenomenal proliferation of wireless devices (Wi-Fi, IoT, handheld products) has forced engineers who don't have much RF background to become s ...; 1385 17 0 17

Wi-Fi RFI Li-Fi

用户3607565 2015-7-31 18:40: Powering self-driving vehicles; Autonomous, self-driving cars are gaining a lot of attention and even hype these days, typified by the Google car, which has been undergoing ex ...; 2299 23 0 23

self-driving MOSFETs algorithms

用户3607565 2015-7-23 22:43: Unique issues for long-life batteries; The increased interest in long-life embedded applications such as remote data logging or utility meters brings up the eternal engineering quest ...; 1635 20 0 20

radioactive TEG battery

用户3607565 2015-7-23 22:40: Unique issues for long-life batteries; The increased interest in long-life embedded applications such as remote data logging or utility meters brings up the eternal engineering quest ...; 1622 19 1 20

radioactive battery TEG

用户3607565 2015-6-18 22:29: Mowers interfering with methanol; The first iRobot Roomba floor cleaner unit was a tremendous breakthrough when introduced in 2002. It made the vague and confusing concept of a us ...; 1524 17 2 19

methanol RF irobot

用户3607565 2015-5-4 20:36: Why wireless charging suits medical implants; Wireless charging of personal electronics such as smartphones, laptops, and tablets is a hot topic. Several standards are competing to make it poss ...; 1347 18 0 18

wireless connector medical

用户3607565 2015-4-23 22:27: Analogue optical fibre strengthens RF link; Co-axial copper cables have long been utilised as conduits of analogue RF signals but there is now a medium for electromagnetic energy that is star ...; 1426 27 0 27

RF EMI optical fibre

用户3607565 2015-4-23 22:09: LED luminaire design change may hurt repairability; It’s not news that LED-based bulbs are replacing the venerable incandescent bulb. In many jurisdictions, the basic incandescent bulb (especially f ...; 1709 18 1 19

LED luminaires bulbs

用户3607565 2015-3-26 19:54: Never give up when it comes to measurement; In the extraordinary year of 1905, Einstein published five brilliant papers including his best-known one on special relativity . One of the other ...; 1579 31 0 31

measurement einstein brownian

用户3607565 2015-3-20 19:00: Can we power electric vehicles using supercaps?; Supercapacitors (also known as ultracapacitors) are a relatively recent fundamental technology innovation for passive devices, with the first ones ...; 1694 18 0 18

capacitors ultracapacitors Supercapacitors

用户3607565 2015-3-20 18:59: Supercaps to power electric vehicles?; Supercapacitors (also called ultracapacitors) are a relatively recent fundamental technology innovation for passive devices, with the first ones co ...; 1600 22 0 22

capacitors Supercapacitors ultracapacitors

用户3607565 2015-3-13 21:47: Using MEMS windmills for energy harvesting?; MEMS-based designs can result to some strange and wonderful things. While thumbing through a recent issue of Wireless Design and Development (yes ...; 1453 32 0 32

MEMS windmills energy harvesting

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