[p=30, null, left][color=rgb(17, 17, 17)][font=宋体]1. What is power factor correction (PFC)? Power factor refers to the relationship between effective power and total power consumption (apparent power)...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:20[/i]Hello everyone, I am a college student. Recently, I participated in the Beijing Electronic Design Competition. In order to learn MSP430...
The crystal oscillator of the 8051 microcontroller is 12m. A counter is used to measure the duration of a pulse, and the microcontroller uses a timer to measure it. So how long should the time corresp...
Authors: Shi Feng , Yi Xinmin, Wang Xiangzhan, University of Electronic Science and Technology of China, Xiong Liying, Southwest University of Science and Technology [Font size: large, medium, small ]...
summary:
This article introduces the power monitoring system of the G45 Daqing-Guangzhou Expressway, Hubei Huangshi-Tongshan section. The system collects 400V multi-function power meters, 400V inlet a...
1 Introduction
The integration of sensor technology and RFID has just started. As one of the world's major manufacturing and consumer countries, China should seize this opportunit...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
PCI (Perip heral Component Interconnect) is an advanced high-performance 32/64-bit local bus that supports linear burst transmission and has a maximum data transmission rate of 132MB/s. At the same...[Details]
Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
As mobile phones have evolved from simple voice communication tools to multimedia devices that integrate communication, imaging, and gaming, application processors are replacing baseband chips as t...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
Multimedia communication terminal equipment has a wide range of application prospects and can be applied to various fields such as video conferencing, videophone, PDA, digital television, etc. Therefo...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
The discipline of HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeking m...[Details]
In the WTK22wtklibdevicesDefaultColorPhoneDefaultColorPhone.properties file in the WTK directory, there is a line touch_screen=false. Change it to true.
MIDP2.0 has three touch screen methods:...[Details]