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introduction
The current active power filter usually adopts the harmonic current detection method based on the instantaneous reactive power theory. The IP-IQ algorithm requires the use of a sine-co...[Details]
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According to US carriers, 5G has truly arrived. But there's one piece of the puzzle that's largely incomplete: voice. Phone calls still rely primarily on LTE networks, even in places with stron...[Details]
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1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips is increasing rapidly, especially in the field of communicatio...[Details]
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Today, artificial intelligence (AI), as one of the most cutting-edge technologies, is developing at an unprecedented speed, and the market's attention is also rising. From the Atlas humanoid robot ...[Details]
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A trial run: Energy storage warm-up period, budding and about to blossom
(2012-2016)
In 2012, Kunlan New Energy participated in the National 863 Program project "Research and Appl...[Details]
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The circuit of Figure 1 produces an accurate variable-frequency sine wave for use as a general-purpose reference signal. It includes an 8th-order elliptic, switched-capacitor lowpass filter (IC3) that...[Details]
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According to the current reliable news, Apple's annual flagship iPhone 12 series will still provide four models this fall, including iPhone 12, iPhone 12Max, iPhone 12 Pro, and iPhone 12 Pro Max. Now...[Details]
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If the two parties in a transaction or confrontation are evenly matched, Apple and Qualcomm , there will be more obvious competition constraints in the market, and neither party may be as strong as...[Details]
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Researchers want to give cars, planes and drones spider-like perception capabilities. They want to equip autonomous machines with sensors that mimic nature. According to a paper published in ACS Nano...[Details]
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What is a transistor tracer? The transistor characteristic plotter is an instrument that can test the characteristic parameters of transistors. The scale of the fluorescent screen can directly ob...[Details]
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Recently, foreign media revealed that Xiaomi's new phone Xiaomi 9X will be launched in May, suitable for users who think Xiaomi 9 SE is expensive or that Redmi Note 7 Pro is not good enough. ...[Details]
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1. What is a "software designed oscilloscope"?
Instruments such as oscilloscopes typically use multiple layers of software, some of which is more accessible to the user than others. The software on...[Details]
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Sometimes when purchasing an R-type transformer, you may encounter the problem of uncertainty about the capacity. This is because the voltage of some equipment is special, or the purchasing personn...[Details]
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Compared with traditional household refrigerators, car refrigerators are more demanding in terms of use environment, electrical environment, functional requirements, volume and weight. First, due t...[Details]
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GSM is a common VOIP voice codec library, which is implemented in Linux using libgsm. The libgsm library is needed in the project. So try to compile the GSM library directly. The official website h...[Details]