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The world's first 1.8GHz power wireless private network was put into operation; the world's first distribution grid edge agent system based on edge computing was piloted; the State Grid's first ubi...[Details]
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Shanghai, China (September 9, 2022) -
Xianji Semiconductor, a domestic high-performance MCU manufacturer, announced that its high-performance MCU product HPM6700/6400 series chips have complete...[Details]
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The use of unmanned aerial vehicles, especially unmanned aerial vehicles (UAVs), has further increased the demand for wireless data and also played a role in driving the use of spectrum. In the def...[Details]
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On May 30, according to the announcement of the Ministry of Industry and Information Technology on May 27, in accordance with the "Standardization Law of the People's Republic of China" and the "Ma...[Details]
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In 1998, Xiaolingtong, which brought "no pain after long calls and no headache after long listening", was launched. With its advantages of low radiation, low charges and easy portability, it became a...[Details]
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This detection method is derived from the notice on issuing the guiding principles and plan for the nationwide special rectification and random inspection work to combat the illegal addition of n...[Details]
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On May 14, the cover of Nature introduced the results of the LiDAR work. According to Jiwei.com, one of the important contributors to the results, Liu Junqiu, is an alumnus of the 2008 Junior Class o...[Details]
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This article mainly introduces the self-increment function of the digital tube display based on the MCS-51 single-chip microcomputer, which displays from 1 to 999. The following is the hardware cir...[Details]
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The microcoulomb titrator is based on the microcoulomb principle. Various forms of sulfur (chlorine) in the sample are converted into sulfur dioxide (all converted into HCl) in nitrogen and oxygen at...[Details]
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/* Name: 8 digital tubes scroll to display a single number
Note: The digital tube scrolls from left to right.
0~7, the program selects only one digital number each time through the cycl...[Details]
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Laplace transform: Laplace transform (English: Laplace Transform) is a commonly used integral transform in engineering mathematics.
If it is defined as: f(t), is a function about t, such that...[Details]
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Sensorless Brushless DC Motor Control Principle
At present, the commonly used brushless DC motor control methods can be divided into
three categories: open-loop control, speed negativ...[Details]
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01. Introduction
The chassis system has a large amount of control logic with continuous nonlinear characteristics, and it plays a vital role in the safety of the entire vehicle. Better and mor...[Details]
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In order to enhance safety, all walks of life are currently purchasing gas detectors. However, general consumers do not know much about the gas detection industry and do not know how to choose ...[Details]
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According to the latest data from industry research firm Canalys, new energy vehicles (NEVs) accounted for 7% of new car sales in China in the second quarter of 2019. China is still far ahead of othe...[Details]
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