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Recently, the State Intellectual Property Office issued a letter in response to the No. 6568 suggestion of the Fourth Session of the 13th National People's Congress. It mentioned that according to th...[Details]
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Earlier, there were reports that Huawei will launch a small-screen folding phone with an upper and lower flip-top design equipped with HiSilicon Kirin 9000. The shape may be similar to Samsung Gala...[Details]
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Samsung phones generally have excellent displays, but that doesn't mean they're perfect. Last year, the Galaxy S20's screens were reported to be broken one after another, with the phone having ...[Details]
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Direct Digital Synthesize (DDS) is the third generation of frequency synthesis technology after direct frequency synthesis technology and phase-locked frequency synthesis technology. It uses all-digit...[Details]
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This article introduces Rohde & Schwarz's complete test solution for envelope tracking amplifiers. The latest vector signal source SMW200A is the industry's first test instrument that supports both RF...[Details]
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I just finished working on the Freescale smart car. Yesterday, my partner who worked on the car came to me and said that Mr. Wei (former director of our department, I don't know how they met...) asked...[Details]
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Energy saving
Renovation analysis
1.1 Power supply status
In order to avoid various losses during the transmission process and the adverse effects on electrical equipment caus...[Details]
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STM32 has 43 channels of settable interrupt sources; AIRC (Application Interrupt and Reset Register) register has 4 bits for specifying priority. These 4 bits are used to assign preemption priority an...[Details]
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Introduction: CPLD and AVR communication PWM control program library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; entity KBCtest is po...[Details]
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Airborne radio stations are responsible for air-to-air and ground-to-air communications. To ensure the performance of radio stations, they need to be inspected regularly. Detectors based on single-...[Details]
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The electromagnetic flowmeter is a professional industrial instrument that is widely used in the production industry. It has good reliability and strong stability. It is a very good flowmeter. In ter...[Details]
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In today's fully connected world, living with a variety of smart home environments means interacting with multiple wireless protocols at the same time. Lighting systems, heating and cooling system...[Details]
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One of the major reasons that has hindered the popularization of pure electric vehicles is the charging efficiency. Although the driving cost of pure electric vehicles is much lower than that of fuel...[Details]
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I believe that many PLC beginners have such doubts, why are there so many ways to "PLC one-key start and stop program"? How can we start to master the programming of different ways of PLC one-key s...[Details]
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The inverter is a power electronic device widely used in the field of industrial automation. Its main function is to convert the input AC power into AC power with adjustable frequency to achieve sp...[Details]
Analog electronics
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