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1 Introduction In recent years, SPWM inverters have been widely used in many AC power regulation systems. Compared with half-bridge inverters, the switching current of full-bridge inverters is ...[Details]
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Circuit description: Safety is our biggest concern in daily life. Everyone feels that the security issue is very crucial, and the door and security in the home can be as safe as possible. For door ac...[Details]
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To learn the boot process of ARM (Advanced RISC Machines), we mainly start from three aspects: boot mode, address layout and boot process. The boot process of 2440, 6410 and 210 is summarized in the ...[Details]
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1 Overview The mass flowmeter is a flow measurement instrument with high measurement accuracy and stable and reliable operation. It can directly measure the mass flow of the fluid. With the developme...[Details]
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A new method for detecting voltage flicker signals using wavelet packet analysis and quasi-synchronous detection is proposed. This method uses software to simulate hardware synchronous detection, w...[Details]
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1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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LG's new phone LG G8 ThinQ released at this year's Mobile World Congress (MWC 2019) uses the depth perception capability of the front camera to support highly secure phone unlocking and payment ident...[Details]
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According to DRAMeXchange, a semiconductor research center of TrendForce, the global server market is expected to continue to grow in 2019, but under the pressure of the economic cycle and the uncert...[Details]
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1 Introduction
A switching power supply uses power semiconductor devices as switching elements, and adjusts the output voltage by periodically switching on and off the switch and controllin...[Details]
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When a relatively high voltage rail (12V) must be stepped down to relatively low levels (3.3V, 1.8V), the converter traditionally used is a DC/DC switching controller driving an external MOSFET. I...[Details]
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1. Overview
MIMO (Multiple-Input-Multiple-Output) time-space coded wireless communication is gradually becoming a key technology of modern communication systems due to its obvious advantages i...[Details]
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According to foreign media reports, Polysync Technologies, a leading developer of driverless car technology, recently announced the launch of its flagship automotive interface platform – Prism. Desig...[Details]
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With the continuous development of science and technology, the speed requirements for digital interfaces are getting higher and higher, and the requirements for signal integrity are becoming more and...[Details]
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Today, China Academy of Information and Communications Technology announced that my country's first 6G seminar will be held in Beijing on September 16 for a total of 2 days. The seminar will focus on...[Details]
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Recently, we received an antique airbag controller removed from a BMW by a netizen. The 03-08-14 on the label may be the production date. Was it produced on August 14, 2003? According to relevant...[Details]
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