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WebGIS system needs to interact with the server frequently, dynamic refresh technology can greatly reduce the system response time, Ajax is the representing technology of dynamic refresh, and at the same time, JSON as a kind of new data transmission technology, with its superiority in data construction and analysis, has become the mainstream technology of data transmission in Ajax technique. While...
Array-elements can fail during their operation and this can seriously degrade the pattern of low sidelobe array considerably if not replaced on time. So it will be very important for us to deal with this kind of problem in the application of array signal processing. Based on the estimation of time delay and linear prediction, the output data of failure element are estimated and then the beamforming...
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.