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There are many instruments and equipment used in measurement work. Each instrument and equipment has many unfavorable factors that affect the accuracy of its measurement value when in use. This articl...[Details]
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On March 1, not long ago, MediaTek held a new product launch conference for the Dimensity series and officially launched the Dimensity 5G flagship chips, Dimensity 1200 and Dimensity 1100, built base...[Details]
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With the development of modern technology, infrared thermometers are widely used in power line inspection, maintenance and substation operation. They detect abnormal temperatures of power equipment, d...[Details]
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On October 29, SK Hynix announced that it would acquire South Korea-based wafer foundry Key Foundry for 576 billion won (US$493 million). Industry data shows that Key Foundry is an 8-inch wafer fou...[Details]
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Introduction It is well known that in traditional rectifier circuits, the power factor of thyristor controlled rectifier devices will deteriorate as their trigger angle increases, which not only...[Details]
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Luxeon high-power LEDs are much better than ordinary low-power LEDs in terms of heat dissipation performance. The electrical channel and thermal channel are separated, and its LED chips are connect...[Details]
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1. Structure typedef struct { u8 data ; //queue storage area u8 front; //dequeue mark u8 rear; //entry mark }sequeue_t; 2. Create a queue sequeue_t * create_empty_sequeue() { seque...[Details]
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On August 8 this year, Japan lifted the ban on the export of a number of semiconductor materials to South Korea, including EUV photoresist, which is crucial for the 7nm advanced process. South Korea'...[Details]
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Function of chip fuse
In electronic products, SMD fuses have two main functions: protecting users from personal injury and preventing circuit damage. Most accidents are caused by other electronic d...[Details]
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introduction
At present, video surveillance systems have been widely used in various fields, and digitization and networking have become the development direction of video surveillance systems....[Details]
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Servo control
1. Working principle of AC servo motor
The rotor inside the servo motor is a permanent magnet. The U/V/W three-phase electricity controlled by the driver forms an electromag...[Details]
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Jun Young-hyun, the new head of Samsung's Device Solutions (DS) division, which oversees Samsung's chip business, acknowledged the challenges facing the company and vowed to turn them into opportun...[Details]
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This paper starts with the physical structure analysis of the electromagnetic-magnetic combined antenna, combines experiments with numerical simulations, and uses a combination of frequency domain ...[Details]
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With two consecutive heavy snowfalls in Beijing, 2019 is about to pass. We have never seen the scenes depicted in the movie "Blade Runner" that belong to 2019. Sure enough, after losing the shackles ...[Details]
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"The vehicle controller coordinates the work of all components in the vehicle and is one of the core components of the pure electric vehicle. This article uses NI's LabVIEW and PXI platforms to deve...[Details]
Test/Measurement
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