For example, there is a unisigned int x and a uchar y[3]. To convert X into a compressed BCD code and put it into Y, this 8-bit machine has no BCD related instructions, no multiplication and division ...
Problem 1: When compiling Android 4.0.4 source code on 32-bit Ubuntu 12.04, an error about the emulator occurred. The key is the -m64 parameter in its Makefile. Just replace it with -m32. The error pr...
Abstract: The application of non-contact measurement system in vehicle road test is studied. A portable vehicle motion parameter . Important issues such as system configuration, test principle, calcul...
Google Home, a speaker that can understand human speech, is the new baby of smart home : https://training.eeworld.com.cn/course/3641[font=微软雅黑][size=3]This robot that looks like a speaker is called "G...
Detailed explanation of Network Neighborhood Gao Xing published on 2005-9-3 19:25:00 1. Working principle of Network Neighborhood Network Neighborhood uses NetBIOS protocol. In Win98 second edition sy...
The day before yesterday at 3 pm, I started to review for the circuit supplementary exam. Damn, it went very smoothly! I didn't expect that I could understand the equivalent transformation, first-orde...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
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]
Embedded System
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