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As a basic test instrument, the oscilloscope was once a pet in university laboratories. At that time, 20 to 30 students in a laboratory gathered around an oscilloscope to listen to the teacher's ex...[Details]
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Abstract: A new quasi-fixed frequency hysteresis PWM current control method is proposed. Based on the hysteresis current control, this method introduces frequency feedback control to make the switchin...[Details]
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Recently, a set of renderings of Lamborghini's own concept phone Mist were exposed on the Internet. It is equipped with a 120Hz 6.4-inch AMOLED dynamic full screen, pop-up dual cameras (front/r...[Details]
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Recently, I compared the differences between C and assembly languages in the field of single-chip microcomputers. As a low-level language, assembly is the language that is most closely related to...[Details]
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When testing a fractional frequency synthesizer, a loop filter circuit and a voltage-controlled oscillator must be connected externally to form a complete phase-locked loop circuit. The design of t...[Details]
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With the continuous development of modern electronic technology, especially human-machine interface technology, touch buttons are increasingly widely used in electronic products and handheld instru...[Details]
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In the civil and military fields, with the development of wireless communication systems, new devices, new processes, and new products emerge in an endless stream, making new communication systems mo...[Details]
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On June 17, 2013, STMicroelectronics held a strategic briefing on its MEMS business, including sensors, in Tokyo, announcing that it would increase the types of sensors to maintain high competitivene...[Details]
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#include "stdio.h" #include "math.h" #include "string.h" int zhh(char a ,int n) {int i,j; long c=0; j=strlen(a); //Total length of test string for(i=j-1,j=0;i =0;i--,j++) c=c+(long)((a -'0')*pow(n,j)...[Details]
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When talking about the evolution of intelligent driving in the past two years, we can use the name of the recently popular TV series "Crazy" to describe it. After the automotive field enters the in...[Details]
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1. What is cache Due to the limitation of program access, a type of high-speed, small-capacity memory is set between the main memory and the CPU general registers. A part of the instructions or data ...[Details]
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While there are many instruments that can accurately measure small DC currents (up to 3A), few can accurately (better than 1%) measure DC currents above 50A. This large current range is typical of ...[Details]
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For many consumer audio and video products, NAND flash is a better storage solution than hard disk drives, especially in low-capacity applications up to 4GB. As people continue to pursue products with...[Details]
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The battery technology in today's portable electronic devices includes several aspects such as power detection algorithm, battery charging algorithm and battery charging technology. As we al...[Details]
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Recently, the wind-solar integrated grid-connected power generation system was successfully developed in Baotou City and applied for a national patent. This technology combines wind energy and solar e...[Details]