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Global tablet shipments fell 12% year-on-year, Lenovo grew 2%, Apple fell 2%, and Samsung fell 3% The COVID-19 outbreak hampered China’s supply chain as well as domestic consumer demand in China, w...[Details]
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Improvement Principle of Deep Groove Asynchronous Motor
Deep groove asynchronous motor is a common type of AC motor. Its improvement principle is mainly to improve the efficiency and performan...[Details]
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As lithium prices continue to rise, more and more companies are entering the lithium battery field. On November 11, Cuihua Jewelry issued an announcement that it plans to acquire 51% of the equity of ...[Details]
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1. Introduction
The automation of medium and low voltage distribution networks has become a trend in the development of power systems. As the last link in the power transmission and distri...[Details]
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Velodyne LiDAR Sensors Provide Mapping and Automation Capabilities for QinetiQ Robotic Defense Vehicle SAN JOSE, Calif., January 11, 2022. Velodyne Lidar announced a five-year lidar sensor sales ag...[Details]
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Common functions: Function name strcpy Function copies one string to another Original function char *strcpy(char *destin, char *source); Example char str ; cha...[Details]
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On the basis of FIG1 , a control level is connected to one input terminal of the NAND gate F1 to form a controllable oscillator, as shown in FIG2 .
In the figure, when the controllable level is "1"...[Details]
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1. When the flow meter measures gas, temperature and pressure compensation are required at the same time; gas is generally settled based on the volume flow rate under standard conditions. This is bec...[Details]
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Xiaomi Mobile announced that Xiaomi battery technology has made new breakthroughs. Xiaomi's new generation of battery technology is the first to apply power battery-grade high-silicon lithium supplem...[Details]
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The interconnection of automotive systems is an exciting and fast-growing market, but it also faces a difficult problem that needs to be solved. Data security is becoming increasingly important today...[Details]
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PWM is widely used in microcontrollers. Its basic principle is very simple, but its meaning is often not exactly the same when applied in different occasions. Here I will first introduce the basic co...[Details]
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On May 6, Tesla announced that in order to enable users to freely view vehicle background data, Tesla is developing an online information system platform for all car owners to query and obtain vehicl...[Details]
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1. Unified program structure
OB1: main program;
OB100: Initialization program (no need to call the main program);
OB35: 100ms (modifiable) interrupt (no need to call the main program...[Details]
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The memory management unit (MMU) is responsible for converting virtual addresses to physical addresses and provides hardware-based memory access permission checks. The operating system can use the MM...[Details]
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The new scanning galvanometer of DILAS in Germany combines the two advantages of coaxial temperature detectors in quasi-synchronous material surface temperature control and fast light scanning. This ...[Details]
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