Why is the pulse wave I collected discontinuous? It is not one wave after another. There is a noise signal in the middle. My filtering range is 0.2 to 40HZ. It should be correct. To see the graph I co...
[size=3][font=微软雅黑]It's the weekend again, time to relax, I'll share a cell phone unboxing with you guys[/font]:titter: [font=微软雅黑]Since I found out that nubia is a high-end brand of ZTE[color=#000] p...
I would like to ask you seniors, do you think it is better to focus on hardware or software in the electronics field? [[i] This post was last edited by open82977352 on 2009-7-7 12:19 [/i]]...
Use S3C44B0 chip to realize asynchronous serial communication with PC, which needs to meet the following requirements: Use interrupt mode to send data, use query mode to receive data, do not use FIFO,...
Medical instruments can be found in a wide variety of care settings and clinical applications. Some typical applications include: Analytical instruments, ultrasonic equipment, spectrophotometers, Endo...
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]
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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
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]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
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]
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]
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]
High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
With the development of the national economy and the improvement of people's living standards, central air conditioners are increasingly widely used in civil and public buildings. While central air co...[Details]