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1 Introduction
Dynamic signal analysis is to convert time domain signals into frequency domain for processing, which generally requires the use of time window technology, such as fast Fourier tra...[Details]
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In recent years, due to the rapid development of LED technology, the main performance indicators have been greatly improved. At present, the luminous exceeds 200lm/W, and the industrialization le...[Details]
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In order to accelerate the development of Chengdu's energy storage industry and strive to build a clean, low-carbon, safe and efficient modern energy system, the Municipal Development and Reform Co...[Details]
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A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but requires the minimum number o...[Details]
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On August 18, China Resources Microelectronics released its 2021 semi-annual report, stating that the company achieved operating income of 4.455 billion yuan, an increase of 45.43% over the same peri...[Details]
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Microwave parametric amplifier, what does microwave parametric amplifier mean
A parametric amplifier is an amplifier circuit that uses time-varying reactance parameters to achieve low-noise amplifi...[Details]
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The project introduced in this article is about the realization of robot control. The control part uses PICl6F7X series microcontrollers, which are programmed in assembly language. The running speed ...[Details]
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As shown in the figure, the circuit is required to count and display the number of times the button is pressed. When the button is pressed once, the count value increases by 1 (it is required to accu...[Details]
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In recent days, due to the needs of project development, I have begun to familiarize myself with the MPLAB X IDE development environment. Compared with the previous IDE environment, the X IDE develop...[Details]
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Object resizing and movement Shift-click to select multiple objects, add objects based on the existing selection
(arrow keys) Move the selected object by one pixel
Shift- Mov...[Details]
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TVS for AC circuits
图2-1是一个双向TVS在交流电路中的应用，可以有效地抑制电网带来的过载脉冲，从而起到保护整流桥及负载中所有元器件的作用。 TVS的箝位电压不大于电路的最大允许电压。 图2-2所示是用单向TVS并联于整流管旁侧，以保护整流管不被瞬时脉冲击穿。 选用TVS必须是和整流管相匹配。 图2...[Details]
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What is the difference between vector control and VF control? Many novices are not very clear about this. Vector control (Vector Field Control, referred to as VFC) and VF control (Visual Feedback C...[Details]
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From December 10th to 11th, 2022, the 3rd China International Internet of Vehicles Technology Conference with the theme of "Intelligent Connectivity, Trust and Creation of the Future" was successfull...[Details]
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On March 17, SEMICON CHINA 2021 was grandly opened in Pudong New District, Shanghai. Zhou Zixue, Chairman of the China Semiconductor Industry Association and Chairman of SMIC, pointed out in his open...[Details]
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Intelligent soft start cabinet is an electrical equipment widely used in the industrial field. It controls the starting current of the motor to achieve soft start and soft stop of the motor, thereb...[Details]
PCB Design
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