The paper mainly introduces concrete design of the hardware and program steps of Infrared Telecontrol Code Measuring Device based on AT89C51RC. In addition, it also gives out the design circuit of infrared transmitter...The paper mainly introduces concrete design of the hardware and program steps of Infrared Telecontrol Code Measuring Device based on AT89C51RC. In addition, it also gives out the design circuit of infrared transmitter and infrared receiver and the typical design circuit of the system, and the application method as well. Through particularly researching on sending and receiving technology of in- frared, a precise method decoding the signal send by infrared controller and its circuit is designed.展开更多
The estimation of the position of a mobile target on a plane as well as its orientation is an important aspect for many applications. The indoor or outdoor localization of such a target has been widely addressed in th...The estimation of the position of a mobile target on a plane as well as its orientation is an important aspect for many applications. The indoor or outdoor localization of such a target has been widely addressed in the literature but if a third degree of freedom like rotation has to be also taken into consideration the difficulty in estimating the target position and orientation is significantly increased. A network consisting of only a small number of low cost infrared transmitters/receivers is used in this paper to estimate the position of a mobile target on a plane as well as its draft orientation with an angular step of 45o or less. The distance and orientation estimation is based on the success rate that infrared patterns are retrieved at the target. This success rate parameter is calculated by simple ultra low cost microcontrollers. The architectural complexity and cost of the overall localization system is significantly lower than other approaches without sacrificing speed and accuracy. An error correction scheme like Turbo decoding is applied in order to increase the reliability and stability of the results by correcting burst errors introduced by real time noise.展开更多
文摘The paper mainly introduces concrete design of the hardware and program steps of Infrared Telecontrol Code Measuring Device based on AT89C51RC. In addition, it also gives out the design circuit of infrared transmitter and infrared receiver and the typical design circuit of the system, and the application method as well. Through particularly researching on sending and receiving technology of in- frared, a precise method decoding the signal send by infrared controller and its circuit is designed.
文摘The estimation of the position of a mobile target on a plane as well as its orientation is an important aspect for many applications. The indoor or outdoor localization of such a target has been widely addressed in the literature but if a third degree of freedom like rotation has to be also taken into consideration the difficulty in estimating the target position and orientation is significantly increased. A network consisting of only a small number of low cost infrared transmitters/receivers is used in this paper to estimate the position of a mobile target on a plane as well as its draft orientation with an angular step of 45o or less. The distance and orientation estimation is based on the success rate that infrared patterns are retrieved at the target. This success rate parameter is calculated by simple ultra low cost microcontrollers. The architectural complexity and cost of the overall localization system is significantly lower than other approaches without sacrificing speed and accuracy. An error correction scheme like Turbo decoding is applied in order to increase the reliability and stability of the results by correcting burst errors introduced by real time noise.
