Hello everyone: I have an interview opportunity for C++ development under WINCE. What knowledge do I need to prepare? I work on VC++ under Windows, and I have mastered the basics of C++ and VC. What e...
As shown in the picture, I made a LED dot matrix display system using C51 microcontroller, 74HC154 and 74HC595. Now I can only display the same Chinese characters on two screens, and I don't know how ...
I know nothing about 51. Now I need to use 51 to calculate the number of square waves and then display it on the computer. I want to know how to connect and program it. I hope there are experts who ca...
Boyi Electronics Lab
Mobile phone input method first-level Chinese character algorithmIn order to make each Chinese character have a national unified code, in 1980 , China promulgated the first nation...
A Multi-channel MAC Protocol for Ad Hoc Networks Based on Cognitive Radio Abstract: Aiming at the channel resource utilization problem of ad hoc networks where nodes have multiple available channels, ...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[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]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
In recent years, the development of automotive electronic technology has significantly improved vehicle safety performance. One of the technologies that is expected to be widely used is the tire p...[Details]
Automatic target recognition (ATR) algorithms usually include algorithms for automatically detecting, tracking, identifying, and selecting attack points for targets. The complexity of the battlefi...[Details]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]