Research And Realization Of Electronic Record System Base On Pda

To make sure the accuracy, speed and convenience of data collected through outdoor measuring has always been primary concern of surveyor. Using of PC1500 andE500 makes some of the measure survey data easier, but the developing languages ofPC1500 and E500 are simple and difficult to be turned up. Modern measuringprogrammes concern large scale of data collecting and calculating, PCI 1500 andE500 are not suitable for large programmes.To make sure logging and processing field data accurately, speedy andconveniently, improving field work efficiency shows the necessary of developing aPDA measuring system that is practical and can ensure quality control. Thisresearch concerns serial communication embedded developing, database accessingtechnologies. The main works are as follows:1 .Achieving two-way communication of PDA and measuring equipment.2. Recording data while measuring, keeping measuring up to the measuring standard.3. Authorizing special operations that exceed regulation.4. Coding and decoding data.This research adopts principles of coordinating experts from different majors,cooperating researching organization and manufacturing organization, researchingwhile modeling; through the process of"study-experiment-restudy-re-experiment-perfect" to make sure the study result ispracticable. This system is written in Chinese, easy to learn and operate, convenientfor primary level user. Compared with traditional operating systems, this systemincreases operating speed and accuracy, reduces operators' workload andachieves significant economic reward.