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With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
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The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
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High brightness LEDs (HBLEDs) are rapidly gaining popularity in the automotive, consumer electronics, and industrial markets. Brilliant colors, long life, and high energy efficiency are some of the...[Details]
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Ultrasonic flow meter
Ultrasonic flowmeter is an instrument that measures flow by detecting the effect of fluid flow on ultrasonic beams or ultrasonic pulses. As a non-contact measuring instrumen...[Details]
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White light LED lighting has been widely recognized by everyone for its high efficiency, low power consumption, energy saving and environmental protection. In essence, LED is a light-emitting diode. I...[Details]
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Theoretically, any MCU can be broken by attackers with enough investment and time using the above methods. Therefore, when using MCU for encryption authentication or system design, the attacker's atta...[Details]
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GaN LEDs are widely used in mobile phone keypads, backlighting
components
, camera flashes, full-color outdoor
displays
,
etc., but their output
power
has not been high enough to signif...[Details]
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1 Introduction
At present, most of the power factor compensators used by many industrial and mining enterprises adopt the method of three-phase simultaneous compensation, which has a bette...[Details]
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For the production of
LED chips
, the selection of substrate materials is the primary consideration. The appropriate substrate should be selected according to the requirements of the equi...[Details]
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High voltage
switchgear
is a modular electrical appliance that can integrate
circuit breakers
, load switches, contactors, disconnectors,
fuses
, transformers, lightnin...[Details]
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As mobile phones, MP3, PMP, DC/DV and other handheld electronic products become more and more popular, lithium metal (Li) and lithium ion (Li+) batteries are becoming more and more common. Most of ...[Details]
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Most
Gas discharge lamps
are made by using the characteristics of arc discharge, and have the negative resistance characteristic that the voltage decreases as the current increases. In...[Details]
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Engineers and designers need to stay focused on the most important core architectural system design aspects in order to meet product deadlines. Designing with FPGA, DSP or microprocessor is a criti...[Details]
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Track circuit is an important outdoor equipment for signal interlocking, which plays a role in ensuring the safety of driving and shunting operations. It can supervise and check whether there are t...[Details]
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Preface
In a closed-loop drilling system, it is required to transmit the underground information to the ground in real time for manual monitoring. Usually, this task is completed by the mud p...[Details]
Embedded System
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