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At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
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Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]
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(1) The ability of machines to establish communications
When the Universal SMT machine is just turned on, the machine state variable (INITCOMMSTAte) is set, and the machine attempts to establish c...[Details]
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An important reason for the low life of LED driver power supply is that the life of the aluminum electrolytic capacitor required by the driver power supply is insufficient. The main reason is that ...[Details]
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The emergence of energy crisis and the enhancement of environmental protection awareness have made people have stronger demands for new pollution-free energy, and wind power generation has grad...[Details]
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Abstract:
In view of the characteristics and limitations of traditional hardware radio architecture, the application requirements of analog-to-digital converters in software radio design are ...[Details]
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Abstract: Combined with the characteristics of CCD imager, this paper introduces a CCD video processing solution based on AD9822+FPGA. The internal structure, working principle and configuration me...[Details]
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With the development of mobile communication industry and the increasing size of mobile network, network optimization is bound to become the top priority in network maintenance. In mobile communic...[Details]
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In early photovoltaic power generation systems, open lead-acid batteries were generally used as energy storage devices. However, open lead-acid batteries have disadvantages such as the need to add ...[Details]
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introduction
The MSP430 series microcontroller is a 16-bit ultra-low power microcontroller launched by Texas Instruments (TI). It can operate at a voltage of 1.8 to 3.6 V and a frequency of 1 ...[Details]
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Implementation methods of two check codes of Modbus protocol based on LabVIEW
This paper introduces the implementation method of two check codes of Modbus protocol based on LabV...[Details]
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Maintenance of Digital Multimeter Calibrator
This paper introduces the general method of repairing the DO30 series digital multimeter calibrator, and uses this calibrator as an ...[Details]
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National Semiconductor has innovatively developed a single twisted pair differential transmission serial deserializer (SerDer) FPD-Link II chipset series. This serialization solution simplifies the...[Details]
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Equipment used before modification: host Pioneer DEH-P1; amplifier: Magron 4*100W; front speaker: Pioneer C-130R; rear speaker: Alpine 694A.
Modification purpose: requires pure vocals, violi...[Details]
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1 Introduction
Since the 1990s, with the growth of energy consumption, the deteriorating ecological environment and the improvement of human environmental awareness, countries around the world...[Details]