A warming device for car driving is proposed in this paper,which includes support rods and warning plates.In this device,several display screens are insalled on one side of the warning panel.Indicator lights are set o...A warming device for car driving is proposed in this paper,which includes support rods and warning plates.In this device,several display screens are insalled on one side of the warning panel.Indicator lights are set on the display screen.A waning board is mounted on the top box.Several radar detectors are mounted on one side of the top box,and the radar detectors orrespond to the display screens.Several waming lights are installed on the top box,and the waning lights orespond to sevenl radar detectors.The sliding side of the support rod cleans the unit.The change of positions of the indicator lights based on the radar detectors will be rellected on the display screens,which allows drivers to understand the situation of the road.Therefore,they can prepare for changing lanes and overtaking,and understand the position and speed of all vehicles in this road section in advance.展开更多
In-system programmable devices are products that combined modern electronic techniques and semiconductor techniques.They are indispensable devices in designing modern circuits and systems.This paper presents two pract...In-system programmable devices are products that combined modern electronic techniques and semiconductor techniques.They are indispensable devices in designing modern circuits and systems.This paper presents two practical circuits designed with programmable devices and its design method.By introducing programmable devices into gas sensor circuits,we can further improve system reliability,stability,sensitivity and integration degree,and enhance flexibility of system design.展开更多
With the vigorous development of inland river shipping economy,the trend of large ships passing Nanjing Yangtze River Bridge is obvious.The standard formula of ship collision force is selected by comparing the empiric...With the vigorous development of inland river shipping economy,the trend of large ships passing Nanjing Yangtze River Bridge is obvious.The standard formula of ship collision force is selected by comparing the empirical calculation formulas.Four representative ship types are selected for calculation and analyzing of collision force.It is concluded that the anti-collision ability of the Nanjing Yangtze River Bridge does not meet the requirement of large ship collision force when the speed is more than 8-knots.From the perspective of active collision avoidance,this paper puts forward the navigation safety supervision countermeasures.A conceptual model of guided pulley anti-collision device is designed from the perspective of passive anti-collision.The research results provide references for safety supervision and anti-collision measures for the bridge.展开更多
文摘A warming device for car driving is proposed in this paper,which includes support rods and warning plates.In this device,several display screens are insalled on one side of the warning panel.Indicator lights are set on the display screen.A waning board is mounted on the top box.Several radar detectors are mounted on one side of the top box,and the radar detectors orrespond to the display screens.Several waming lights are installed on the top box,and the waning lights orespond to sevenl radar detectors.The sliding side of the support rod cleans the unit.The change of positions of the indicator lights based on the radar detectors will be rellected on the display screens,which allows drivers to understand the situation of the road.Therefore,they can prepare for changing lanes and overtaking,and understand the position and speed of all vehicles in this road section in advance.
文摘In-system programmable devices are products that combined modern electronic techniques and semiconductor techniques.They are indispensable devices in designing modern circuits and systems.This paper presents two practical circuits designed with programmable devices and its design method.By introducing programmable devices into gas sensor circuits,we can further improve system reliability,stability,sensitivity and integration degree,and enhance flexibility of system design.
文摘With the vigorous development of inland river shipping economy,the trend of large ships passing Nanjing Yangtze River Bridge is obvious.The standard formula of ship collision force is selected by comparing the empirical calculation formulas.Four representative ship types are selected for calculation and analyzing of collision force.It is concluded that the anti-collision ability of the Nanjing Yangtze River Bridge does not meet the requirement of large ship collision force when the speed is more than 8-knots.From the perspective of active collision avoidance,this paper puts forward the navigation safety supervision countermeasures.A conceptual model of guided pulley anti-collision device is designed from the perspective of passive anti-collision.The research results provide references for safety supervision and anti-collision measures for the bridge.
