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HDVD is commonly known as compressed disc or economical version of DVD, which can be played on ordinary DVD players. The medium is DVD-5 (capacity 4.7G) and usually DVD-9 (capacity 9.4G). It adopts...[Details]
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Project Overview With the continuous improvement of the quality of various graphics and image content and the need for real-time display of system operation, more and more industries such as fina...[Details]
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The power supply is a very important component in the lamp, also known as: driver. The quality of the power supply directly affects the service life of the lamp. If the LED lamp is compared to a ...[Details]
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April 20, 2021, Shanghai News - The 2021 "Fuwei Cup" 3rd National Undergraduate Electronic Design Competition (hereinafter referred to as "Fuwei Cup") has officially opened the registration channel f...[Details]
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In analog oscilloscopes, rise time is an extremely important indicator of the oscilloscope. In virtual oscilloscopes, rise time is not even given as an indicator. Due to the measurement method of the...[Details]
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On May 31, a new Huawei phone with model number GLK-LX3 appeared in the AnTuTu database. The phone may be the upcoming nova 5i. In terms of core configuration, the phone uses a 2310×1080 dis...[Details]
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Abstract: This paper introduces a voice processing card that uses a TMS320C542 to achieve 4-channel telephone compression. The processing card hardware structure, RPE-LTP algorithm and DSP impleme...[Details]
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Abstract: In order to measure, calculate and process the wall cracks in the building with high precision and high definition. This paper gives the specific method and related algorithm of using D...[Details]
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Frequency Converter
Variable-frequency Drive (VFD) is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the freq...[Details]
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1. Electromagnetic flowmeter structure The structure of the electromagnetic flowmeter is mainly composed of magnetic circuit system, measuring tube, electrode, casing, lining and converter. 2. Prin...[Details]
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Address jumps are often used in IAP bootloaders to specify a program to jump to a certain address. For example, if you force a jump to 0x2c for execution, you can use (*((void (*)(void))0x2c)))();
In...[Details]
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Recently, during the 2019 EDICON Electronics Show (Design Innovation Conference), Keysight's vice president of global marketing, Donna Majcen, conveyed Keysight's core values and the industries it ...[Details]
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The commercialization path of solid-state batteries is becoming increasingly clear thanks to the efforts of many companies. It is expected that 2022 will be a key year for introduction and volume gro...[Details]
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The computer used in this tutorial runs Windows 10 Professional 64-bit 1. Download MPLAB X IDE v4.05 Historical versions: http://www.microchip.com/development-tools/pic-and-dspic-downloads-archiv...[Details]
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1 Introduction
As a public information display terminal in the subway, LED display screen has very wide civil and commercial value.
At present, most subway vehicles in China are equipped wi...[Details]
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