为提高锈斑蟳(Charybdis feriatus)人工养殖的质量,利用物联网技术对其环境监测系统进行设计。首先,对锈斑蟳人工养殖环境物联网远程监测系统进行设计,包括系统的总体结构、本地监控子系统、远程监控子系统以及水质监测系统。同时,针对...为提高锈斑蟳(Charybdis feriatus)人工养殖的质量,利用物联网技术对其环境监测系统进行设计。首先,对锈斑蟳人工养殖环境物联网远程监测系统进行设计,包括系统的总体结构、本地监控子系统、远程监控子系统以及水质监测系统。同时,针对水质检测中溶解氧预测,利用改进的LMBP(Levenberg-Marquardt Back Propagation)算法进行设计。结果表明,人工养殖环境监测系统能够较好实现锈斑蟳养殖环境的智能化控制,减少人力物力。此外,基于改进的LMBP算法能够对溶解氧进行较好地预测。展开更多
In 2016 and 2017,the ecological pond breeding experiment of Charybdis japonica was carried out,with a total of experimental area up to 4 ha.Through two years of experimental research,it obtained a total of 48950 kg of...In 2016 and 2017,the ecological pond breeding experiment of Charybdis japonica was carried out,with a total of experimental area up to 4 ha.Through two years of experimental research,it obtained a total of 48950 kg of C.japonica,with an average output of 12237.5 kg/ha.The production output value was 2.3675 million yuan,the total production cost was 831700 yuan,the net profit was 1.5358 million yuan,the average profit was 384000 yuan/ha,and the input-output ratio was 1∶2.85.The average proportion of C.japonica population with a production weight of 150 g or more was 7.9%.The proportion of the group of 120-150 g was relatively large,with an average of 80%in two years,and the proportion of the group below 120 g was relatively small,with an average of 12%in two years.The cumulative harvest of shellfish in two years was 65700 kg,with an average output of 16425 kg/ha,the production output value of 738100 yuan,the production cost of 295500 yuan,the net profit of 442600 yuan,and the average profit of 110700 yuan/ha.展开更多
文摘为提高锈斑蟳(Charybdis feriatus)人工养殖的质量,利用物联网技术对其环境监测系统进行设计。首先,对锈斑蟳人工养殖环境物联网远程监测系统进行设计,包括系统的总体结构、本地监控子系统、远程监控子系统以及水质监测系统。同时,针对水质检测中溶解氧预测,利用改进的LMBP(Levenberg-Marquardt Back Propagation)算法进行设计。结果表明,人工养殖环境监测系统能够较好实现锈斑蟳养殖环境的智能化控制,减少人力物力。此外,基于改进的LMBP算法能够对溶解氧进行较好地预测。
文摘In 2016 and 2017,the ecological pond breeding experiment of Charybdis japonica was carried out,with a total of experimental area up to 4 ha.Through two years of experimental research,it obtained a total of 48950 kg of C.japonica,with an average output of 12237.5 kg/ha.The production output value was 2.3675 million yuan,the total production cost was 831700 yuan,the net profit was 1.5358 million yuan,the average profit was 384000 yuan/ha,and the input-output ratio was 1∶2.85.The average proportion of C.japonica population with a production weight of 150 g or more was 7.9%.The proportion of the group of 120-150 g was relatively large,with an average of 80%in two years,and the proportion of the group below 120 g was relatively small,with an average of 12%in two years.The cumulative harvest of shellfish in two years was 65700 kg,with an average output of 16425 kg/ha,the production output value of 738100 yuan,the production cost of 295500 yuan,the net profit of 442600 yuan,and the average profit of 110700 yuan/ha.
