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At the Chain Expo, staff introduced all-vanadium liquid flow batteries to exhibitors. Photo by our correspondent
All-vanadium liquid flow battery module. Photo by our correspondent
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On February 19, the Shanghai Stock Exchange website released the "Decision on Terminating the Review of the Initial Public Offering and Listing of Yunzhisheng Intelligent Technology Co., Ltd. on the ...[Details]
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Hesai Technology officially released the FT120, a pure solid-state short-range blind-filling lidar for ADAS front-end production vehicles. Let’s make a key point first: FT120 is a pure solid-state li...[Details]
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Wang Xing likes to write on Fanfou, especially in the evening when it is quiet and no one is around. On March 6, 2019, he posted this: "Yu Chengdong, the head of Huawei's mobile phone business, was b...[Details]
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A design scheme for a closed-loop system of a phase-shifted full-bridge DC/DC converter is proposed.
A dual closed-loop
control
system is designed based on the PWM
control
device UCC38...[Details]
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CWRI
CWRITE writes data to an opened serial interface or to a loaded external module of type LD_EXT_OBJ. In a loaded external module of type LD_EXT_FCT, CWRITE calls a function.
CWR...[Details]
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This paper introduces the design and implementation of an embedded speech recognition module based on ARM. The core processing unit of the module uses ST's 32-bit processor STM32F103C8T6 based on th...[Details]
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1. Basic Concepts of LCD/LCM
The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires ...[Details]
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1. Introduction to PID algorithm
In smart car competitions, the use of PID algorithm is very meaningful if the smart car is to move flexibly according to the ever-changing track.
First of al...[Details]
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If human drivers mainly observe the surrounding road conditions with their eyes, then self-driving cars perceive road environment information through various sensors installed on the car. For self-dr...[Details]
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Founded in 1995, Marvell was once ranked among the top five semiconductor companies in the world at its peak. When China issued 4G licenses in 2013, Marvell was ahead of MediaTek and Spreadtrum in la...[Details]
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Examination scope: Optional reading book after-class exercises Main question: Pure programming: In the first four experiments, multiplication is not tested. Interrupt, timer T1: square wave book...[Details]
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SEMI said sales of semiconductor manufacturing equipment will grow 6% to $63.2 billion in 2020, from $59.6 billion in 2019, and will continue to rise to $70 billion in 2021. The fab equipment segme...[Details]
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The MAX2640 is a low-cost, low-noise amplifier designed for applications in the 400MHz to 2500MHz frequency range. This application note shows the adjustment of the MAX2640 RF matching circuit fo...[Details]
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This paper introduces a hardware structure and control system of a descent control device based on single-chip microcomputer control. The system uses a single-chip microcomputer as the control core o...[Details]
DSP and ARM Processors
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