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UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
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Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[Details]
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Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
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This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
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In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
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From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
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1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
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With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
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1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
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The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
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Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
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Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
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With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
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The automated management and operation system has become an indispensable part of modern enterprises. The video image transmission monitoring system has been widely used in important occasions such...[Details]
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The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]