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1. Phase noise Although we cannot see the actual frequency jitter of the spectrum analyzer's local oscillator system, we can still observe obvious signs of local oscillator frequency or phase instabi...[Details]
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C51 Interrupt Processing Procedure
The C51 compiler supports the development of interrupt procedures directly in the C source program, thus reducing the tedious work of using assembly language and ...[Details]
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Recently, the Beijing Municipal Urban Management Commission, together with the Municipal Finance Bureau, formulated and issued the "Beijing Electric Vehicle Social Public Charging Facility Operatio...[Details]
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From the long-rumored Apple Mini-LED backlit iPad Pro to Samsung Mini-LED backlit TVs, Mini-LED backlight is becoming the new favorite of the industry. In the context of oversupply of LED production ...[Details]
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Huawei's sub-brand Honor has released its first smart screen. Although it is called smart, it is still a smart TV in essence. The name "smart screen" is more of a concept hype. Before the release of ...[Details]
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What are the basic structure, main parameters and ideal characteristics of an amplifier?
Answer: 1. Basic structure: input stage, intermediate stage, output stage, bias circuit 2. Main parameters: ...[Details]
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Some time ago, LG launched a very creative mobile phone product called LG Wing 5G. The biggest highlight of this phone is that it is equipped with two screens, and the front screen can rotate. With i...[Details]
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See Figure B for component selection, where VS1 uses 1-3A, 400V or more unidirectional thyristor, and VS3 uses 10-25A, 600-800V bidirectional thyristor. U uses 2A, 400V full bridge, and four diodes...[Details]
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Working principle of magnetostrictive level gauge: magnetostrictive level gauge consists of three parts: detection rod, circuit unit and float. During measurement, the circuit unit generates a cur...[Details]
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By reading the relevant data of the car OBD (on-board diagnostic system), we analyze and derive the environmentally friendly driving method, and train people's driving behavior through prompts, poi...[Details]
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Electric vehicles (EVs) face a problem: their batteries charge too slowly. Currently, it takes about 10 hours to fully charge a car at home, and even the fastest superchargers at charging stations ta...[Details]
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Automatic speech recognition (ASR), which converts an input audio into a text, is one of the AI tasks that has been greatly transformed by the popularity of deep neural networks. Today’s commonly u...[Details]
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Keil is one of the most popular 51 MCU development tools in the industry, with a smooth user interface and powerful simulation functions. The ARM microcontroller development tool RealView Microcontrol...[Details]
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introduction
During the growth of crops, light conditions have an important impact on the growth rate, yield and quality of crops . At present, most of my country's facility agriculture st...[Details]
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According to foreign media reports, Ford Motor has applied for a patent with the US Patent and Trademark Office (USPTO) for a lamp with lidar, which may be used in future Ford vehicles. The patent ...[Details]