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introduction
In order to solve the problems of low speed, non-reconfigurable hardware structure, long development and upgrade cycle, and non-portability faced by traditional DSP, this paper uses th...[Details]
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News on the afternoon of October 22, Huawei Developer Conference 2021 (HDC) opened today. Yu Chengdong and other Huawei executives delivered keynote speeches, announcing the HarmonyOS 3 develo...[Details]
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1. Introduction
During the machining process, parts are deformed due to various heat effects, which may damage the original machining accuracy or directly cause machining errors. For preci...[Details]
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Less than 20% of the power input to
an LED
is converted into light energy, while the remaining 80% is converted into heat. This is a real problem that lighting system designers need to overc...[Details]
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The following figure shows the schematic diagram of the controller (compensation network), which
consists
of operational amplifiers Z
1
(s) and Z
2
(s). Z
1
(s) is the input impedance ...[Details]
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The author of this article is an experienced power engineer who has been using oscilloscopes on the front line for a long time. In this capacity, he proposed that some details should be paid attentio...[Details]
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The failure of the transformer bushing is analyzed and the following main reasons are summarized:
When the surface of the bushing is dirty and absorbs moisture, the insulation resistance wil...[Details]
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A mass spectrometer, also known as a mass spectrometer, is an instrument for separating and detecting different isotopes. It is based on the principle that charged particles can be deflected in an ele...[Details]
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MCU chips are divided into five grades: consumer grade, industrial grade, automotive grade, QJ, and GJ. Among them, automotive grade chips are undoubtedly the current hot spot. So what exactl...[Details]
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The electrification of automotive systems in advanced driver assistance systems (ADAS), including autonomous driving vision analysis, parking assistance and adaptive control functions, is becoming ...[Details]
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MEMS oscillators have officially entered the smartphone market. SiTime, an American company, has released a new 32kHz micro-electromechanical system (MEMS) oscillator for mobile devices, expanding it...[Details]
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In applications such as data communications and image processing, powerful processing capabilities are required. When the fastest digital signal processor (DSP) still cannot meet the speed requir...[Details]
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Finally understand this LR register
Look at the following ARM assembly
BL NEXT ; Jump to subroutine
.........; Execute at NEXT
NEXT
..........
MOV PC,LR ; Return from subroutine
Here ...[Details]
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In recent years, the world's manufacturing powers have been promoting the transformation of manufacturing to intelligence and automation. In 2016, the Ministry of Industry and Information Technology ...[Details]
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The Zhijie brand has started delivering the R7 sport utility vehicle (SUV) in China. Zhijie is a luxury brand under Chery Automobile, but Huawei Technologies Co., Ltd. played an important role in t...[Details]
Analog electronics
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