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With the increasing popularity of mobile services, China has reached an average of 64.4 mobile phones per 100 people, and in developed coastal cities such as Shanghai and Beijing, each person has a...[Details]
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The new Samsung Galaxy A53 has passed the certification of the Ministry of Industry and Information Technology, and the renderings have also been exposed. It comes in black and white. Recen...[Details]
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STM32 firmware library file tree and detailed composition (library version: STM32F10x_StdPeriph_Lib_V3.5.0) After the library is decompressed, all folders are structured as follows: ///////////////...[Details]
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The basic electron tube generally has three poles, a cathode (K) for emitting electrons, an anode (A) for absorbing the electrons emitted by the cathode, and a grid (G) for controlling the flow of ...[Details]
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Common fiber test meters include: optical power meter, stable light source, optical multimeter, optical time domain reflectometer (OTDR), and optical fault locator.
Optical power meter
Us...[Details]
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3 System software design
3.1 Overall software design
Software design is the core of this design, and the key lies in the design of the overall software architecture and data structure...[Details]
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The whistleblower ZYAD ATEF exposed some parameters of Redmi 8A on the /leaks website. According to the leaked information, the processor of Redmi 8A is Snapdragon 439, equipped with 4GB of mem...[Details]
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Hello everyone, I am the president of the Electric Vehicle Commune. Recently, GAC Aion took the lead in releasing the world's first vehicle with a range of 1,000 kilometers, which is comparable to ...[Details]
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During the 2023 China International Import Expo, Intel exhibited a new generation of Core Intelligent Cockpit Platform for smart cars, aiming to leverage Intel's powerful CPU and integrated GPU comp...[Details]
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When I first started learning about each CPU, I would first study the corresponding assembly instructions. I felt that this would allow me to quickly experience the hardware principles of the CPU, wh...[Details]
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H.264/AVC is an international video compression standard jointly issued by ITU-T and ISO . Its bit compression ratios are 39%, 49% and 64% of those of MPEG-4, H.263 and MPEG-2 respectively . It is ...[Details]
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The 8th China Information Technology Expo (CITE2020) will be held at the Shenzhen Convention and Exhibition Center from August 14 to 16, 2020. This exhibition focuses on industry hotspots and has set...[Details]
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0 Introduction
Charge coupled devices (
CCD
) are new
semiconductor
integrated
optoelectronic
devices
developed in the early 1970s
. As a new type of MOS...[Details]
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1 U-boot source code structure The picture comes from Wei Dongshan's "Complete Manual of Embedded Linux Application Development" U-boot download address: ftp://ftp.denx.de/pub/u-boot/ ...[Details]
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1. Introduction With the continuous improvement of environmental protection requirements, lighting products have also begun to develop in the direction of energy saving and high efficiency. Tra...[Details]
Test/Measurement
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