Design Of A Buoy System For Measuring Marine Environmental Parameters

During the study of the law and characteristics of the marine environmental noise field,different marine environmental conditions have a greater impact on the characteristics of acoustic propagation and marine environmental noise.Therefore,accurately grasping the marine environmental parameter conditions during the test will help improve the data The accuracy of the analysis.The sound velocity gradient parameter is a very important parameter in the process of processing and analyzing experimental data.It can be obtained by obtaining temperature data at different ocean depths and calculating the sound velocity formula.In the process of collecting marine environmental parameters,a measurement buoy system is generally used to monitor the marine environment.As a platform for monitoring the marine environment,marine buoys have great advantages.In order to reduce the manpower,material resources,and time of salvaging marine drifting buoys,marine environmental parameters can be obtained in real time through wireless data transmission technologies such as satellite communications,shortwave,and ultrashortwave.This article designs the marine environmental parameter measurement buoy system,completes the overall design of the measurement buoy system,the structural design,the temperature and depth measurement unit,the noise measurement unit,the data transmission module and the buoy control unit's scheme design,hardware circuit design,and software design and Implement and perform test calibration.The temperature and depth measurement unit can acquire the temperature corresponding to different seawater depths;the noise measurement unit can collect the environmental noise parameters in the ocean,and the environmental noise parameters are processed by 1/3 octave,and the processed spectrum information is transmitted to the buoy.The control unit;the data transmission module transmits the data received by the control unit to the upper computer;the buoy control unit sends instructions to each temperature and depth measurement node and noise measurement node through the STM32 microprocessor to perform polling collection.The data collected by each unit node is returned to the buoy control unit.The position and time information of the buoy is obtained through the GPS module,which enables the buoy to have a uniform time reference and can obtain the position information in real time during the test.At the end of the thesis,measurement experiments are performed on each unit of themeasurement buoy system,and the experimental results are analyzed.Each unit of the buoy system is easy to use,reliable and stable,and basically meets the requirements of the subject design indicators.