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Updated: Feb 14, 2026

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使用智能传感器精准农业:现状,挑战和未来展望

Bonface O Manono1, Boniface Mwami2,3, Sylvester Mutavi4

  • 1Colorado State University Extension, Fort Collins, CO 80523, USA.

Sensors (Basel, Switzerland)
|February 13, 2026
PubMed
概括

智能传感器技术正在通过与物联网 (IoT) 和人工智能 (AI) 进行整合来彻底改变精密农业,以实现优化产量和资源节约. 应对校准和数据隐私等挑战是它们在全球粮食安全中的关键作用.

关键词:
农业资源管理 农业资源管理农业技术 农业技术 农业技术数据驱动农业数据驱动农业精准农业 精准农业 精准农业智能农业是一种智能农业.智能传感器智能传感器可持续农业 可持续农业

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Uncertainty in Measurement: Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. 
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Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.  Highly accurate...
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Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
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The total amount of current flowing through one unit value of a cross-sectional area is referred to as current density. If the current flow is uniform, the amount of current flowing through a conductor is the same at all points along the conductor, even if the conductor area varies. The current density consists of the local magnitude and direction of the charge flow, which varies from point to point. Current density is measured in amperes per meter square, and direction is defined as the net...
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