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In the Internet age, we need to deal with all kinds of passwords. The most commonly used in life are payment passwords. In addition, there are social media accounts, e-commerce platforms, etc. A...[Details]
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Abstract: This paper studies and analyzes the subtitle data format of the ETS 300 743 specification in the DVB standard, and combines the demultiplexing filter, layer processing and user interface ...[Details]
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Technical features of four-antenna receive diversity
Basic function: Improve uplink receiving sensitivity and enhance uplink coverage; Basic principle: Antenna diversity reception can obtain gain a...[Details]
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With the rapid development of LED lighting technology, LED street lamps are already common in road lighting in many cities in China. Especially after the luminous efficiency of high-power LED devic...[Details]
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The radiation characteristics of terahertz waves generated by photoconductive antennas were studied, and the electric field strengths in the near and far fields were calculated using Maxwell's equa...[Details]
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#include "D:\reg51.h " //header file #define uchar unsigned char uchar settime ={1,2,3,4,5,6,7}; uchar readtime ; //******************************************************************** sbit T_CLK = ...[Details]
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The British really know how to have fun. Recently, Qorvo's UK mobile product design team launched a space device carrying the Qorvo logo to 35,000 meters above the ground and returned to the ground ...[Details]
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A rotary encoder is a photoelectric rotary measuring device that directly converts the measured angular displacement into a digital signal (high-speed pulse signal). It is mainly used in machine to...[Details]
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As the size of integrated circuits shrinks, the development of process technology has encountered more and more technical bottlenecks in terms of perforation, lithography, tunneling, and heat dissipa...[Details]
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To eliminate the interference of the single-chip microcomputer application system, it is sufficient to remove one of the three basic conditions for the formation of interference (interference source, ...[Details]
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据外媒报道，成都科技研发中心的研究人员显著提升了锂离子电池用钛铌氧化物的性能。在 电动汽车 和移动电子设备领域，这种氧化物均应用广泛。 Image source: greencargongress 作为锂离子电池负极材料，氧化钛铌（TNO）具有高安全性和高容量，因此受到广泛关注。然而，它的电导率太低，在高速率下容量表现不佳。为了有效提高TNO的高速率性能，中国工程物理研究院成都科技研发...[Details]
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Virtual Instrument (or VI) is a product of the combination of computer technology and modern testing technology. It not only has all the functions of traditional instruments and meters, but also has ...[Details]
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Smart devices in the Internet of Things will use more and more sensors, which will be a dramatic change from the sensors of the past. Advances in miniaturization, integration and materials science ar...[Details]
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1. Choose the type of thyristor There are many types of thyristors, which should be selected according to the specific requirements of the application circuit.
If used for AC/DC voltage cont...[Details]
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Guangzhou, October 18, 2024 /PRNewswire/ -- On October 17, at the new product and service launch event of the 136th China Import and Export Fair (also known as the "Canton Fair"), SGS, an internati...[Details]
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