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If we must give "2019" a title of the first year, it should be the first year of commercialization of autonomous driving . The reason is simple: the sales volume of the automobile market has declined...[Details]
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1 Introduction
As a type of large flat panel display device, LED display screens occupy an important position in the display field with their long service life, low maintenance costs,...[Details]
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1. What is automotive grade?
What exactly is the automotive grade that car dealers often talk about? First of all, it is an automotive standard that complies with the regulations on auto...[Details]
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Is cost-effectiveness a necessary condition for the popularization of smart driving? Obviously not. In the field of chips, whether it is a performance replacement or a fully pin-to-pin compatible r...[Details]
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The variable voltage and frequency speed regulation system of asynchronous motor is generally referred to as variable frequency speed regulation system.
Since the slip power does not change wi...[Details]
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1. Circuit Design
The EL34 amplifier circuit is shown in Figure 1. The first stage voltage amplification uses a SRPP single-ended push-pull circuit, the second stage uses a long-tail ...[Details]
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Beijing, September 6, 2024.
Gathering strength and starting a new era, the 73rd AMR China International Automotive Maintenance, Inspection, Diagnosis, Parts and Beauty and Maintenance Exhibitio...[Details]
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The 8155 driver mainly involves the settings of ports PA, PB, PC, control words and timers, and mainly includes the following codes and functions. (1) Related function declarations and pin defini...[Details]
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Industry: Scientific research
Products: Real-Time Modules, FPGA Modules, CompactRIO
Challenge: Determine the flow patterns of snow in an avalanche and the effectiveness of avalanche arrest ...[Details]
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Introduction to LED Constant Current Driver
Since LED is a semiconductor device with sensitive characteristics and negative temperature characteristics, it needs to be stabilized a...[Details]
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The inverter is the detection center of the entire power station. It can detect all the parameters of the power station, including DC components and grid-connected equipment. The basic information of ...[Details]
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Data shows that in 2018, the 17th IPO Examination Committee of the China Securities Regulatory Commission reviewed 172 companies, rejected 59, and approved 111 (including 5 companies that passed afte...[Details]
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CCFL and LED are the only two backlight sources for LCDs. CCFL is a traditional backlight method, while LED, as a rising star in LCD backlight, is rapidly seizing the LCD backlight market.
The...[Details]
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Liu Weiliang and Luo Suming studied the infrared radiation of ceramics at room temperature. The infrared emissivity of the tested ceramic samples was about 0.82~0.94. The far-infrared ceram...[Details]
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1. Layout of oil pipes on automobile chassis
In the design of chassis piping, the direction and layout of the oil pipes have a great impact on the performance of the vehicle (even the function...[Details]