Full Bridge Phase-Shifted Soft-switching Multi-Arc Power Supply
The researching in switching power supply includes many technology fields such as power electronics.autocontrol and so on.High frequency, the modularization, the digitization are the objects of of development of switching power supply. The main way to realizes the high frequency is the soft-switch technology, and the full bridge phase-shifted zero voltage pulse width modulation converter [...]
The Design of Electroplating Current-sharing Control System of Digital Power Supply
With the increasing output current of the switch-mode power supply, compared to the single large module, paralleled power modules have significant advantages in supplying large output current. A flexible and economic distributed power system becomes a trend, and the current balance is one of the key issues during the design of a paralleled power system. [...]
Design and Implementation of LFMCW Radar Material Level Gange about Feed Warehouse
The feed plant raises the bunker,when production needs to carry on the survey to its material position,is advantageous for prompt supplement raw material.But in production because time each raw material mix will produce the massive dust,and will follow has the massive quantity of heats,this for will raise the bunker the material position survey to bring [...]
Design of the Zoom Camera Lens within Cell Phone
With the improvement of zoom lens optical system design theory and processing technology,the type of zoom lens is growing rapidly.In particular,various types of optical system design software improve the efficiency of the zoom lens design;camera lens has been widely applied in various areas of life.In this case,it is undoubted the great significance of studying the [...]
Study on the High-definition Time Measurement for the Time-Difference Location System
In the modern war,the hidden detection and a high-definition positioning accuracy makes the time-difference locating system become a main way to realizing the passive locating.But its locating accuracy is impacted by various factors and constrains,of which the measurement accuracy of the pulse TOA(time of arrival) is the key factor.With the continuous improvement of the modern [...]
The Research on IF Waveform Display and Control Based on FPGA and CPCI
Passive radar works in a passive mode and it doesn’t transmit radio wave,so it is easy to be hid and is a great threat to enemy.With the development of techniques, radar electronic war has promoted to a new stage.Passive radar system plays a more and more important role in military task and is concerned by [...]
The Software Design and Implementation of Shipping-Track and Shipping-Course Autopilot
The purpose of the system is to control the ship in accordance with the planned route or course in navigation, and automatically turn at the scheduled way point. In order to improve system reliability, we use a triple-modular redundancy system, that is, the same three main controlling templates execute tasks in turn, vote in accordance [...]
Research and Design for Ship Power Management System
With the development of modern shipbuilding technology, the requirement for reliable ship power management system is more and more necessary. Therefore, controlling, monitoringand follow-up managing of ship power are more and more important. Based on the sufficient research and analysis on current domestic and overseas ship auto-control equipment, I designed a total distributed ship power [...]