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A key competition has just been decided at INTERSPEECH 2021, the world's top voice conference. Tencent, Northwestern Polytechnical University, CMU and other domestic and foreign institutions are t...[Details]
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It is not possible to calibrate the metal tube rotor flowmeter using conventional methods, which is determined by the structural principle of the transmitter. Because the metal tube rotor flowmeter ha...[Details]
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Designers of industrial automation systems face increasing challenges. Rack-mounting such equipment results in increased size and thermal constraints. Sensitive electronics in harsh industrial envi...[Details]
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This electric vehicle battery repairer is a high-performance repairer that uses a transformer to regulate voltage and a 555 circuit to drive a CMOS tube with an adjustable pulse width oscillator. Gen...[Details]
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Application areas: EMU brake control unit, circuit board detection, fault diagnosis, signal acquisition
Challenge: The Brake Control Unit (BCU) is the core component of the EMU brake control system...[Details]
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HMD Global may have another entry-level Nokia feature phone in the works, if the latest FCC information is anything to go by. Interestingly, this device will feature a clamshell design. The Nokia N13...[Details]
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Buck-type PWM DC/DC full-bridge converter is shown in the figure. Four switch tubes S1~S4 form a full-bridge PWM inverter. High-frequency PWM pulses control the on and off of the switches in turn. ...[Details]
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Abstract:
This article focuses on the special harmonic source device of the frequency converter. Starting from the working principle of the frequency converter, it analyzes the causes and haz...[Details]
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Introduction
The quality of an oscilloscope's display greatly affects the ability to effectively troubleshoot a design. If your oscilloscope has a poor-quality display, you may not be able to s...[Details]
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Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, recently released a new product in the EZ-USB™ series, the EZ-USB™ FX20 programmable USB pe...[Details]
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As the demand for green energy in human society increases, inverter design has become a general trend. Efficient and reliable inverter systems have put forward higher requirements for power factor co...[Details]
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This paper aims to solve the problem that the ventilator and heater in the high-voltage room of the 330kV Luofu substation are manually switched on and off by the duty officer, and the temperature...[Details]
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Lithium metal is the most promising next-generation battery anode due to its high specific capacity. However, its widespread application is hindered by challenges: during multiple charge and discharg...[Details]
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Since the light generated by the LED is reflected in the encapsulated resin, if a resin reflector is used to change the direction of light from the chip, the reflector will absorb the light, causin...[Details]
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When studying the development trends of mobile TV technology, it is necessary to distinguish between the product feature set, packaging, performance, semiconductor process used and most importantly...[Details]
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