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On May 10, the official website of the Beijing Securities Regulatory Bureau released information stating that at the beginning of 2021, Lenovo Holdings was randomly selected as the subject of on-site...[Details]
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On March 3, according to media reports, Professor Sun Jinyun of Fudan University in Shanghai recently led a team to conduct a survey on "hailing a taxi using mobile phone taxi apps". The repo...[Details]
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challenge:
Reduce characterization time for increasingly complex wireless power amplifiers (PAs) without sacrificing measurement accuracy or increasing equipment cost.
Solut...[Details]
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Pin Type register The STM8S208MB register uses the LQFP80 package. The 80 here means that there are 80 pins, of which 68 are GPIO pins. According to the GPIO port function classification, they are...[Details]
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0 Introduction
There are many kinds of shaft angle encoders. This paper is a phase shifter encoding engineering design based on the coarse and fine dual channels of the rotary transformer, and it ha...[Details]
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In addition to being fuel-efficient, the most impressive feature of new energy vehicles is their intelligence, with increasingly advanced intelligent driving assistance systems, intelligent car compu...[Details]
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Scatter loading description file, used as input parameter of armlink, specifies the download and runtime location of each area in the image file. armlink will use symbols related to some areas of the...[Details]
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The most frequently replaced component in power supply maintenance is probably the capacitor. For example, for ceramic capacitors, the two main parameters we care about are capacity and withstand vol...[Details]
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From the methods of measuring various physical quantities with oscilloscopes introduced to you before, do you think that the oscilloscope is a very powerful instrument? Therefore, when using the osci...[Details]
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The ARM processor contains 37 registers, which include the following two types of registers.
(1) 31 general registers: including the program counter PC, etc. These registers are all 32-bit register...[Details]
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A rotary transformer (resover) consists of three windings, one rotor winding and two stator windings. The rotor winding rotates with the motor, while the stator winding is fixed and the two stators...[Details]
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A cracked windshield is not only a headache, but it can also be dangerous if the windshield obstructs your view, and it is expensive to replace. If the windshield is electronically heated or otherwi...[Details]
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According to foreign media reports, a supply chain source revealed that Apple, which has always "not put all its eggs in one basket", finally chose to let three well-known suppliers jointly supply...[Details]
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Energy saving, environmental protection and long life are the three major advantages of LED products. In terms of energy saving and environmental protection, the editor does not have too many doubt...[Details]
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1. Collection of high-frequency signals
When a high-frequency signal (such as a radar waveform up to 100MHz) is to be collected and processed, a high-speed or ultra-high-speed hardware acquisi...[Details]
RF/Wirelessly
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