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Today I read the memory management code carefully, and then looked at the relevant knowledge of the stack. I figured out some things that I didn’t understand before, and wrote them down for easy refe...[Details]
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1 Introduction
With the extensive application of power electronic devices, the problem of harmonic pollution in power systems is becoming increasingly serious. PFC technology and APF have been wid...[Details]
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LED
(Light
Emitting
Diode) is different from traditional tungsten light source in that it uses the PN junction potential difference of the diode to generate a point light source. It i...[Details]
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1 Introduction
Most of the control systems in industrial sites are controlled by PID controllers, and the tuning of their PID parameters requires certain control theory knowledge a...[Details]
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Common series three-terminal voltage regulator integrated circuits, such as LM7800, LM7900, and LM3xx series, have low efficiency. For example, when the input power supply voltage of LM7805 is 10-15V,...[Details]
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According to China News Service, Lei Jun said today that Xiaomi will unswervingly take the Chinese market as its roots while firmly promoting globalization. Lei Jun said that Xiaomi has several mai...[Details]
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According to the People's Government of Jianhu County, Yancheng City, Jiangsu Province, Yaoning Technology's 12GWh lithium iron phosphate battery and system assembly project has been signed and settle...[Details]
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At the beginning of 2020, lighting and electronics expert HELLA and US startup Oculii announced a strategic partnership. The partnership aims to develop high-performance, scalable radar solutions ...[Details]
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Entering the second quarter, there was a large-scale price drop in domestic chip stocks. According to Aijiwei's analysis, among the seven semiconductor-related new stocks that were launched since Apr...[Details]
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my country is a country with relatively abundant coal resources. In 2018, coal production reached 3.68 billion tons, ranking first in the world. Coal imports reached 280 million tons, also ranking ...[Details]
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Bruce Sewell, Apple's former senior vice president and general counsel, was recently interviewed by foreign media CNBC, where he talked about his work experience at Apple and details of his discussio...[Details]
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On June 28, SK Hynix announced that the company has developed the "industry's highest performance" solid-state drive SSD product - PCB01 for edge AI PCs, which will be available in three capacities...[Details]
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BYD lithium iron phosphate square shell battery BYD, which has been optimistic about lithium iron phosphate for a long time, is still persisting and seems to be creating surprises - BYD will launc...[Details]
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The average power measurement of WiMAX or WLAN burst signals is an essential parameter for characterizing wireless communication devices such as chipsets, PC cards, amplifier modules or mobile phones...[Details]
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Preface Function generator is an instrument that uses direct digital synthesis (DDS) to generate sine wave, square wave, triangle wave, pulse wave and amplitude modulation (AM), frequency modulation ...[Details]