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1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
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Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
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With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
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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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LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
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Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
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System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
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Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
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O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
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According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
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In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
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With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
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Abstract A two-dimensional sound source directional system is designed using the ADSP BF533 DSP processor. The system is based on the time difference of arrival of sound waves and uses a phase matc...[Details]
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Abstract: This paper introduces the design of a new linear array CCD drive circuit based on single chip microcomputer. The system uses C8051F020 single chip microcomputer as the lower computer to c...[Details]
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Tags: display technology, touch technology
Display technology is a face-saving project. It restricts the development of mobile phones, computers and other terminal devices in terms of appe...[Details]