ObjectivesUnder complex environmental conditions, unmanned surface vehicles (USVs) may deviate from the target course.In order to improve the anti-jamming ability and actual navigation stability, and achieve accurate track control, an improved USV track control method is proposed.MethodsAccording to the influence on navigation signals caused by the
The development of perovskite solar cell technology is steadily increasing.The extremely high photoconversion efficiency drives factor that makes these devices so attractive for photovoltaic energy production.However, the environmental impact of this technology could represent a crucial matter for industrial development, and the sustainability of p
Studies on the field trapping of coffee berry borer (CBB, Hypothenemus hampei) have been conducted to evaluate trap color, trap design and lures (attractant substances).The trials were conducted in a Robusta coffee plantation in East Java during August to December 2004.The trap color evaluated were red, orange, yellow, green and blue, set up in the