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With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
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As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
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Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
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introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
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0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
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0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
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Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
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At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
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In the field of video surveillance, video compression encoding formats have evolved from M-JPEG, H.263, MPEG4 to H.264. Currently, H.264 is the mainstream compression algorithm. Its biggest advantage ...[Details]
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1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
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In the "mistress war", Zhou Hongyi constantly questioned Lei Jun, firing at Lei Jun on issues such as the cost, profit, configuration, and marketing methods of Xiaomi mobile phones.
The "m...[Details]
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On June 29, according to Reuters, Finland's Helsinki Daily published an article today saying that Nokia Chairman Risto Siilasmaa still expressed confidence in the management after the company announce...[Details]
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Beijing time, June 27, according to foreign media reports, a mobile phone and parts market report recently released by Nomura Securities analysts Romit Shah and Stuart Jeffrey showed that Apple has th...[Details]
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Due to the actual needs of engineering, high-efficiency miniaturized ultra-wideband high-power microwave antennas have become a research hotspot. For high-power miniaturized antennas, the technica...[Details]
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In actual test systems, when using data acquisition cards to collect data, the acquisition rate is sometimes too slow to meet the test requirements. RIGOL oscilloscopes have the advantages of wide ...[Details]
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