Prof. Ying Zhang Profile

Prof. Ying Zhang

at Changchun Univ of Science and Technology

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Publications (2)

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Proceedings Article | 12 January 2009 Paper

Application of master-slave multi-communication system in pilotless airborne mapping equipment

Ying Zhang, Junjiang Chen, Wensheng Wang

Proceedings Volume 7133, 71330U (2009) https://doi.org/10.1117/12.807527

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This paper presents a master-slave multi-communication system designed with several micro-controllers used as master and slave controllers to set signal the lamp to realize point-to-point communication through the RS422 interface. By describing a typical example of this system and the blue print of hardware and the flowchart of software, the reliable work of the system has been proved. The circuits of system are very simple and practical, and they can be used to realize all the functions of a pilotless airborne mapping equipment. It also has a strong anti-jamming capability due to its balanced transfer scheme with single transmitter and multiple receivers. It is very efficient in protecting the integrity and correctness of transmitted and received signals, avoiding the collision of signals through the bus, satisfying the communication among several micro-controllers in a single system and forming a special communication network.

Proceedings Article | 24 October 2006 Paper

The design of heart sounds and electrocardiogram monitor system based Atmega 128L

Miao Cao, Zhiyong An, Ying Zhang

Proceedings Volume 6357, 635720 (2006) https://doi.org/10.1117/12.717098

KEYWORDS: Heart, Electrocardiography, LCDs, Signal detection, Data storage, Analog electronics, Clocks, Sensors, Electrodes, Amplifiers

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This paper introduces a realtime system which can acquire,process,store and display heart sounds and electrocardiogram(ECG) of the human body at the same time.It is composed of superior microprocessor--Atmega128L,large capacity Flash and the new type LCD.All hardwares adopt low power design and surface mounting package. The specialities of the system are low power, compact, and high intelligence. In consideration of transplant and solidity of the system, at the same time, it ensures that some complicated arithmetic can be realized.The system software applies mold construction and programs in C language. A model for automatic arithmetic is established for the feature extraction of ECG, realtime cardiotach ambulatory analysis is realized. The system is capable of recording ECG and heart sounds information in succession for 48 hours and it stores the no compression data synchronously. More than ten types of familiar heart diseases can be diagnosed in time by it automatically. The testing data achieved from this system is dependable, the diagnosing result is accurate and the waveform is no distortion. It solved a problem within the same kind of products effectively, that is, the dynamic ECG and heart sounds signal are acquired separately. The system do not affect the daily living and working of human being when it is used, so it is suited for clinical and family monitoring.

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