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ZigBee wireless location system is detected through the signal strength to calculate the coordinates of the mobile node information. Before work in the system need to deploy and configure the entire system, the main components include the reference node configuration, positioning nodes and coordinator, configuring parameters, the system will be timely collection reference node coordinates and signal...
With Ajax firmly established as a widespread Web application-development technique, it is possible to build GPS monitoring system based on B/S architecture, so a large number of Web GPS monitoring systems are released recently. This article analyzes the common GPS monitoring systems based on AJAX and points out three main existing weaknesses. Then the article introduces how to use AJAX push pattern...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.