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1 Introduction
As one of the five conventional nondestructive testing technologies in industry, UT testing technology has been widely used. In UT, the A-type pulse reflection ultrasonic flaw det...[Details]
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After entering the IoT era, the explosive demand for information collection has led to the rapid development of the entire sensor market. For the Chinese sensor industry, although a complete system f...[Details]
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2.1 Memory Types Memory is an important part of computer structure. Memory is a component used to store program code and data. Only with memory can the computer have memory function. ...[Details]
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1. Characteristic frequency:
① The passband cutoff frequency fp=wp/(2p) is the frequency of the boundary point between the passband and the transition band, at which the signal gain drops to a...[Details]
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The competition in true wireless earphones is becoming increasingly fierce. If the limitation of noise reduction is added, there are not many good players. Those worth mentioning include Apple...[Details]
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LED
is a characteristic-sensitive
semiconductor
device with negative temperature characteristics. Therefore, it needs to be stabilized and protected during application, which gives...[Details]
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For many ion implantation equipment that still use rotating wheels, large particles may fall on the surface of the wafer, which is like a high-speed missile colliding with the wall of a building. I...[Details]
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“Mainland China foundries including SMIC and Hua Hong Semiconductor have cut capacity support for some IC design companies as they prioritize fulfilling orders from local customers.” According to...[Details]
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The energy-saving protection of three-phase AC asynchronous motors has always been a hot topic in the field of motor research. In particular, the tight power supply in the country in recent years has...[Details]
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Luzhou Laojiao uses Commvault solutions to increase data backup success rate by 85%, providing strong support for its business expansion Commvault, a recognized leader in data management software ...[Details]
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Abstract: A high-speed, low-power current-mode sense amplifier suitable for low-voltage, large-capacity SRAM is proposed. The circuit adds a pair of isolation transistors between the cross-coupled ...[Details]
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1. Working Principle
This circuit consists of a startup, reset circuit, multivibrator circuit, frequency division counting circuit, decoding display circuit, etc. As shown in the following figu...[Details]
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#include
#include macros.h
#define uchar unsigned char
#define uint unsigned int
void Delayms(uint MS);
void display(uchar FirstBit,uchar Num);
float TempD...[Details]
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With the expansion of industrial production, there is a need to program the same code for the same model of chips. The current programming method is performed through a dedicated programmer, an...[Details]
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A soft starter is an electrical device used to start a motor. It can effectively reduce the current shock during starting and extend the service life of the motor and equipment. There are two main ...[Details]