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introduction
B-mode scanning ultrasound diagnostic instrument (abbreviated as B-ultrasound) is a medical imaging device, and its scanning result is a multi-grayscale image (usually more than 2...[Details]
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Some time ago, due to work reasons, I reinstalled the virtual machine from the original Ubuntu 12.04 (32-bit) to Ubuntu 16.04 (64-bit). Naturally, all the tools and source codes related to the mini24...[Details]
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Wolfson Microelectronics plc, a global leading supplier of mixed-signal semiconductor devices and audio solutions for consumer electronics, and Elliptic Labs, a leading supplier of ultrasonic touch...[Details]
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We all know how to use diodes to make switches, but we can only turn them on and off, not gradually control the flow of a signal. Furthermore, the diode's ability to act as a switch depends on the ...[Details]
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Apple has asked suppliers to increase production of its new iPhone 11 and iPhone 11 Pro series by up to 10%, according to a report from Bloomberg. The increase in production will add 8 million units ...[Details]
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Issues that should be noted in secondary switching during the switching operation of 220kV substations
In recent years, with the development of science and technology, mature intelligent and d...[Details]
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1.
Experimental tasks
Use
AT89S51
single-chip microcomputer to generate "beep, beep,
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" alarm sound and output it fr...[Details]
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On the basis of briefly introducing the characteristics and properties of ultra-bright LED, the driving modes of LED such as resistor current limiting, linear regulator and switching regulator are int...[Details]
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Select an oscilloscope with sufficient bandwidth to accurately capture the highest frequency components of your signal Many different oscilloscope specifications determine the accuracy of signal ca...[Details]
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A variable frequency speed regulator is a device that converts industrial frequency power (50Hz or 60Hz) into AC power of various frequencies to achieve variable speed operation of the motor. The c...[Details]
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Abstract: When you are fighting fiercely in the game, when you just come home from the hot outside and turn on the air conditioner... the screen suddenly turns black, the air conditioner suddenly...[Details]
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Power loss is an important part of the performance evaluation of switching devices, and it is also an advanced function that engineers focus on when selecting. Although many laboratories are equipped...[Details]
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Insulation resistance testing is a common test type that is often used to understand and evaluate the insulation performance of electrical equipment. Technicians usually perform insulation resistance ...[Details]
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introduction Due to various reasons, there are current harmonics in the power grid. Due to the existence of power grid impedance, the harmonic current flows through the power grid impedance, whic...[Details]
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Because the compiled UBOOT written to FLASH always failed to run several times before. So what should I do? After thinking for a long time and checking the source code, I still didn't find the prob...[Details]
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