Positioning and water depth data synchronization circuit and processing circuit operation method
A technology for synchronizing circuits and positioning data, which is applied in the measurement of the depth of open-air water sources, surveying and navigation, and water resource assessment. It can solve problems such as time axis errors, reduce the error of inconsistent sampling rates, facilitate connection, and reduce interface costs. Effect
Pending Publication Date: 2022-03-11
WUXI HAIYING CAL TEC MARINE TECH
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Problems solved by technology
[0009] For this reason, the technical problem to be solved by the present invention is to overcome the problem that the positioning data and water depth data of the sounding instrument in the prior art will cause errors on the time axis, thereby providing a synchronous circuit and a processing circuit for positioning and water depth data. method
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[0030] Such as figure 1 As shown, this embodiment provides a synchronization circuit for positioning and water depth data, including GPS positioning equipment, synchronization circuit modules, transducers, and PC remote platforms. The GPS positioning equipment simultaneously outputs PPS signals and positioning data, and The synchronous circuit module is connected to the GPS positioning device for communication, and the input terminal of the synchronous circuit module receives the PPS signal and positioning data. The synchronous circuit module includes a signal level conversion circuit, a serial port circuit, a processing circuit, and a network port circuit, and The PPS signal and positioning data are connected to the processing circuit through the signal level conversion circuit and the serial port circuit. The output interaction end of the synchronous circuit module is the output end of the processing circuit, and one of the processing circuits is The output end is interactiv...
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The invention relates to a synchronous circuit for positioning and water depth data and a processing circuit operation method.The synchronous circuit comprises a GPS positioning device, a synchronous circuit module, a transducer and a PC remote platform, the GPS positioning device outputs PPS signals and positioning data at the same time, the synchronous circuit module is in communication connection with the GPS positioning device, and the transducer is in communication connection with the PC remote platform. The input end of the synchronous circuit module receives PPS signals and positioning data, and the synchronous circuit module comprises a signal level conversion circuit, a serial port circuit, a processing circuit and an internet access circuit. According to the invention, transmission of sound images, positioning data and water depth data can be completed by adopting one network port, so that interfaces are reduced, connection between equipment is facilitated, the working process is simplified, and physical delay is eliminated; after the circuit is adopted, errors caused by inconsistent sampling rates of sounding data and positioning data are reduced, and errors of water depth data and actual positioning data on a time axis caused by sound propagation and processing time are also avoided.
Description
technical field [0001] The invention relates to data acquisition synchronization technology, in particular to a synchronization circuit and processing circuit operation method for positioning and water depth data. Background technique [0002] Water depth signals have been widely used in various sonar devices for underwater target detection. The echo sounder is a conventional water depth measurement equipment that uses underwater acoustic signals for distance measurement, and it is also the most commonly used detection equipment today. Its working principle is to transmit sound waves of a certain frequency through the transducer. When sound waves propagate in water, they will generate reflection signals when encountering media with different densities (such as the bottom of the water or other objects). Propagation speed in regional water, obtain the straight-line distance from the transducer to the reflection target, that is, the measured water depth. [0003] GPS position...
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Login to View More IPC IPC(8): G01C13/00G01S15/86G01S15/88
CPCG01C13/008G01S15/86G01S15/88Y02A90/30
Inventor 邓红勇
Owner WUXI HAIYING CAL TEC MARINE TECH