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According to Jiwei.com news, in March, the "Outline of the 14th Five-Year Plan for National Economic and Social Development of the People's Republic of China and the Long-Term Goals for 2035" (herein...[Details]
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The focal meter studied in this paper is an automatic focal meter based on the projection principle. However, unlike similar domestic products, the automatic focal meter studied in this paper adopts a...[Details]
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The sound wave frequency exceeds the human hearing and the sound wave with a frequency higher than 20 kHz is called ultrasonic wave. The frequency of ultrasonic wave used for flaw detection is 0.4-25 ...[Details]
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For MCM power supply, it is easy to become an interference source because it works in a high-frequency switching state of several hundred kHz. According to the reports and actual measures of similar f...[Details]
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1. Introduction:
The application of single-chip microcomputers in the field of industrial control is different from that in the civil and commercial fields. The environment in which industrial contr...[Details]
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For some power devices (power transistors, VDMOS, IGBT, etc.), by regularly powering on and off the components and applying electrical stress and thermal stress cyclically, their ability to wi...[Details]
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0 Introduction
Thermal error is the biggest error source of CNC machine tools. Temperature test of CNC machine tools provides a basis for compensation of thermal error of machine tools. The tra...[Details]
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1 Overview SST89C54/58 (referred to as 89C54/58) is a multi-purpose 51 series microcontroller launched by the American SST Company. It integrates a 20 kB/36 kB SuperFlashE'PROM program memory, whi...[Details]
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Unleashing the full potential of 5G cellular technology dual connectivity Second-generation Qualcomm Dual SIM supports a better gaming, data, calling and streaming user experience thanks to two con...[Details]
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First, let's understand what a power frequency inverter is and what a pure sine wave inverter is.
What is a power frequency inverter:
A power frequency inverter is a DC/AC converter that ...[Details]
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Are you still worried about how to leave a program download interface for the LPC1114 master circuit board? Here, Ration will share with you an example of a project he has done! 1. How to download th...[Details]
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Engineers have used logarithmic amplifiers for signal compression and computation for more than half a century. Although digital ICs have almost completely replaced logarithmic amplifiers in ...[Details]
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Series 2: Ethernet vehicle nodes increase dramatically, and parallel multiple bus testing faces four major challenges
Comparing cars in the past, present, and future, there is an ob...[Details]
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ViewSonic announced the launch of its newly upgraded portable projector M1 mini Plus. The new M1 mini Plus has a compact appearance that won the 2020 iF Design Award. The projector can be easily put ...[Details]
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Abstract:
A good intelligent connected vehicle in-vehicle service ecosystem can not only promote the healthy development of the intelligent connected vehicle in-vehicle service market, but al...[Details]
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