AIS解码软件详细手册.pdf-资料库

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Ais Decoder Help This PDF Help file (56 pages) has been electronically created from the Windows Help distributed with AisDecoder . Help can be viewed independently of AisDecoder by locating AisDecoder.chm in your Program Files\Aundale\AisDecoder\Help directory and clicking on it. To print the entire help (approx 27 pages) 1. Highlight (click) Ais Decoder Help on Contents tab. 2. Right-click and Print 3. Select Print the selected heading and all subtopics. To View/Print a PDF version click here Getting Started Ais Decoder has a large number of options to enable you to output decoded AIS data for your own purposes. I would suggest you start by setting up the input so you can see you are receiving valid data Once you can see valid data, try changing some of the options. I have supplied a number of initialisation files which hold pre-set settings, these enable you to see how you can tailor the output to suit various requirements. Overview All ships over 300 tons as well as many smaller ships continuously transmit messages giving their position principally for collision avoidance. These messages can be received by an AIS receiver, however to produce meaningful information they need decoding. AisDecoder outputs meaningful information, in a variety of formats, by decoding the data output from a dedicated AIS receiver, or from a network Features The decoder will decode all the NMEA and AIS content of all 27 AIS message types (!AIVDM or ! AIVDO) including many binary messages. Input: Serial or USB from AIS receiver, UDP from network, Log File Input Filter: AIS Message type, DAC, FI, ID, MMSI Output: Display, File, FTP, UDP Output Frequency As received or at Scheduled intervals Output Filter: Lat/Lon or any other decoded field

Output Formats: Text, CSV, HTML, XML, KML, KMZ, NMEA Details Decodes all 27 AIS message types Also decodes 50 Binary message types All fields are fully decoded Input Logging with optional daily roll-over NMEA input monitor UDP and Serial (RS232) Input Input filtering by AIS message type and/or binary message DAC/FI/ID Some GPS NMEA sentences decoded (more to come) Message Summary display Dual Channel Output to File or UDP Output display NMEA or Formatted Output Timed (Scheduled) Output by MMSI for Web Sites Decoded CSV Output for import into Excel User selectable fields Displays Ships on Google Earth KML or KMZ Output to Google Earth XML Output to Google Maps HTML output to web site Automatic FTP upload to web site Output Format may be tailored to individual requirements Output Filtering by individual AIS Message Fields Range filtering by any Field value (for example Area by Latitude and Longitude) Filters NMEA AIS log files by all message types and all AIS fields Reads ShipPlotter spnmea log files Can be run like a Server Quick Start Having downloaded the installation file, AisDecoder_setup_x.x.x.x.exe, run this file. Click Start > Programs > Ais Decoder > Ais Decoder The Control/Stats window will be displayed. Tick the External Source from where your PC will be receiving data. If USB tick Serial

Then click on Options to display the Options Window. Configure the Input Source you have selected. For more information see Network , Serial or USB Data On the Control/Stats Window ensure you have ticked the configured External Source of your data Click the Start button Two additional windows will be displayed, the NMEA Input Window and the message Summary Window.

The Nmea Input Window displays the data being received on your selected Input Source The Summary Window displays a summary of the decoded data for each sentence received. Click on any line (Sentence) on the Summary Window to see the fully decoded data for the Sentence. Congratulations, you are now decoding AIS data.

Google Earth View To Display the Ships on Google Earth Install Google Earth In the Control/Stats window click the Options button In the Options window click the Open New button Browse to the directory shown on the bottom of the Control window, select the Settings folder, Open the file GoogleEarth.ini Close the Options window (Click on the X) Within one minute all vessels data received since you started the decoder will be available to view in Google Earth and the GIS button on the Control/Stats window will be available (not Greyed out). Click the GIS button Any ships, from which you have received data, will be displayed on Google Earth. Example of Google Earth

This is the connection between your data source and your PC. Physical Connection AisDecoder will accept Serial, Network or USB. The Network data could be from an AIS receiver, from the internet, from your local PC or local network. See also Serial Data, Network Data, USB Data Connect your Ais Receiver to a Serial Port on your PC Serial Data Input

On the Options Display set the Port No you have connected your receiver to, which is COM1 in the above example. For AIS set the Speed to 38400 Network Data Input The Network Protocol must be UDP, TCP will not work. Set Options > UDP > Port to the port number on which you are receiving UDP data. If you are receiving input from an AIS Network Receiver, consult your receiver manual on how to set up an output port on your receiver. The input port on AisDecoder must be the same. If you are receiving network data from the internet, the port number must be the same as is being sent by the Server supplying you the data. If you are receiving UDP data direct from your PC, for example from another program (eg ShipPlotter), the other program should be set up to send you UDP data to IP address 127.0.0.1 The port numbers must be the same on both programs. USB Data Input If your PC does not have a serial port, or your AIS receiver outputs USB data, you PC will be receiving the incoming data via USB. If you have had to use a Serial to USB adaptor, the adaptor will have come with a USB Driver. Otherwise your USB AIS Receiver will have come with a USB Driver. USB Drivers are individual to the hardware device plugged into the USB port on your PC, they are extremely unlikely to be interchangeable. The USB driver will make the output from the USB port on the PC appear to the PC as though the data is being received from a COM port. This is called a Virtual COM Port, because the COM port does not physically exist on the PC. After you have plugged the USB device (Receiver of Serial.USB adaptor) into your PC you will set up a COM Port, for example COM12. Having set up this Virtual COM Port, you must configure the Serial Port on AisDecoder to the same port number. There are two main windows which allow you to alter the behaviour of the decoder. Functional Description • Control/Stats

• Start/Stops/Pauses the decoder • Controls various display windows • Displays various statistics • Access the Options Window • Options • Selects most settings • Saves/Retrieves frequent settings The incoming NMEA sentences are decoded. The input filter passes the AIS message types you have selected. If scheduled output is required, these messages are held in the scheduler buffer until the scheduled time. If specific AIS fields are required the value of the field is tagged. If the value of the tag requires filtering, by having a valid range set, the range is validated, by the tag range filter. The Formatter replaces the tag in the tag template file, with the tag value. The fully formatted and decoded sentence is output to a file, by UDP and/or displayed. Control/Stats Window Control Start commences decoding NMEA sentences Pause continues receiving sentences but holds them in a buffer until pressed again, when processing will recommence. This enables you to pause

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