[i=s]This post was last edited by Digital Leaf on 2015-5-11 09:43[/i] :lol:lol[url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=457132&fromuid=427606]Activity link: Carry out low-power desi...
Dear great engineers, I have seen many mobile phones with voice control functions, but they are only limited to calling numbers. Can we make a full voice control mobile phone, so that all functions ca...
I received a mobile phone newspaper and saw this interesting passage: "If you are motivated, you can shed sweat; if you have knowledge, you can offer wisdom; if you have neither, please give up your p...
[align=left]At 5:45 on June 24, a sudden high-altitude collapse occurred on Fugui Mountain in Xincun Village, Xinmo Village, Diexi Town, Maoxian County, Aba Prefecture, Sichuan Province. The volume of...
High and low temperature test chamber oil separator:
The oil separator can return most of the compressor lubricating oil brought out from the compressor exhaust port. A small part of the oil needs t...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
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]
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]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
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]
Talking
京公网安备 11010802033920号
EEWORLD
