Xueyan hu etc.:Transit Passenger Flow Statistics System design data type and information format data type contains Testing on the outdoor,data can be showed mainly Binary information and NMEA information accurately on the LCD.result of testing show as table these two types of information can correspond with 1 GPS by serial port,flow chart of GPS module show as Test Number of people longitude latitude speed (kmh) figure6 the car 33 12535 6 12535438825 17 12535458838 5 CONCLUSION Finally,Transit Passenger Flow Statistics System is finished.it n chieve display ofum r.speed.and position,according to the control mode designed,the goal which passengers choose bus based on the Read bour message is attained. As the same time.dispatching center realizes the effective dispatching.depending on the message A Bibliography [1]Xu sun.Electronic oscilloscope development in Figure 6.flow chart of GPS module the challenge[J].Foreign Electronic Measurement The main task of receivin portion is showing the Technology 2009(03). number of people and position [2]Lin zhang.12-BitData-Acquisition System information meanwhile,to response the IRQ of MAX197 and Its Application in the Harm on ic receiving data.flow chart of receiving portion show as Analyzer [J]electronics engineer,2002,(5). figure7. 3]Bing yin,Huiqing wang,Zhi yang.Lattice LCD hegin display module MGLS??12864TInterface and programming [J]Joumal of henan university, 2000,(5). [4]MAXIM Company product information collection [M]2002. [5]Zhitian wang Radio electronics measurement [M]volume one.Beijing:Atomic Energy Press, 2002:243-312 [6]Tek company .TDS3000 A series of digital Figure 7.flow chart Fluorescent oscilloscope user manual[K]2004. 4 SYSTEM TESTING [7]Yinghang zhou.The principle and types of probes 13Xueyan hu etc.: Transit Passenger Flow Statistics System design 13 data type and information format data type contains mainly Binary information and NMEA information, these two types of information can correspond with GPS by serial port, flow chart of GPS module show as figure 6. Figure 6.flow chart of GPS module 3.2 receiving portion The main task of receiving portion is showing the number of people and position information ,meanwhile,to response the IRQ of receiving data, flow chart of receiving portion show as figure 7. Figure 7.flow chart of receiving portion 4 SYSTEM TESTING Testing on the outdoor,data can be showed accurately on the LCD,result of testing show as table 1. Table 1.result of testing 5 CONCLUSION Finally,Transit Passenger Flow Statistics System is finished,it can achieve display of number,speed,and position,according to the control mode designed ,the goal which passengers choose bus based on the message is attained. As the same time , dispatching center realizes the effective dispatching,depending on the message. Bibliography [1] Xu sun.Electronic oscilloscope development in the challenge[J]. Foreign Electronic Measurement Technology,2009(03). [2] Lin zhang. 12-BitData-Acquisition System MAX197 and Its Application in the Harm on ic Analyzer［J］.electronics engineer,2002,(5). [3] Bing yin，Huiqing wang，Zhi yang. Lattice LCD display module MGLS??12864TInterface and programming ［J］.Journal of henan university， 2000，(5). [4] MAXIM Company product information collection ［M］.2002. [5] Zhitian wang.Radio electronics measurement [M] .volume one.Beijing：Atomic Energy Press, 2002:243-312 [6] Tek company .TDS3000 A series of digital Fluorescent oscilloscope user manual[K].2004. [7] Yinghang zhou.The principle and types of probes