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Vibrating string sensor is one of the more advanced sensors in stress and strain measurement. The output of vibrating string sensor is frequency signal. There is no need for A/D and D/A conversion in ...[Details]
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0 Introduction
DC regulated power supply is a relatively common electronic device, which has been widely used in many fields such as electronic circuits, experimental teaching, scientific resea...[Details]
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Recently, Sungrow's 2.5MW energy storage converter (SC2500UD-P3) passed the grid-connected performance test of the new national standards GB/T 34120-2023 and GB/T34133-2023 at one time. With its ou...[Details]
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As we all know, FPGA is a device that realizes various functions through logical combination and can perform almost any type of processing. In the past five years, in order to break through the limita...[Details]
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The eye diagram is a graph accumulated and displayed on a series of digital signals. It contains a wealth of information. From the eye diagram, the effects of inter-symbol crosstalk and noise can be ...[Details]
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In traditional machinery, the shafts are driven by mechanisms. For example, as shown in the figure below, the master and slave shafts are connected by a flat belt. When the master shaft starts to r...[Details]
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This section mainly talks about the timing function of the STM32 general timer. 1. TIMx clock source problem: STM32 has 8 registers, including two advanced timers TIM1 and TIM8, two basic timers ...[Details]
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This power supply design tip introduces a simple method to estimate the transient response of a power supply by understanding the control bandwidth and output filter capacitor characteristics . This ...[Details]
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First of all, the message queue is similar to a counting semaphore and can save asynchronous events, but the counting semaphore saves the state quantity. It only accumulates the number of state trigge...[Details]
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某小区的供热站，一台250kW的鼓风机向锅炉内吹煤粉。原来使用节风门调整鼓风机的风量，从而控制燃烧量。现在采取了变频器控制鼓风机，通过鼓风机的转速快慢来控制燃烧量。改造后，节电效果显著，但是却发现无功补偿装置中的保险频繁烧毁。希望解决这个问题。
This is because the inverter generates strong harmonic current emiss...[Details]
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The selection sort algorithm first selects all elements from the first position, selects the smallest element among all elements and gives it to that position, then selects the second position, and...[Details]
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/**************ARM7(LPC2103) exercise program**************************/
/************************************************************************/
/*****File Function : Buzzer test *****/
/...[Details]
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1 Introduction
High-
power
converters are being used more and more widely.
The shorter
switching
time of
the IGBTs
used in them
leads to excessively high d...[Details]
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Camera Driver
Some concepts:
The main clock signal of the camera interface is generated by the USB PLL, and its frequency is 96MHz. It is then output to the camera after frequency division. The cam...[Details]
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In the previous section, when I set up to disable the watchdog, I set WTCON to 0 and masked the interrupt. As shown below:
This section is to mask the interrupt register:
The follow...[Details]
Mobile and portable
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