detection threshold

简明释义

检测阀

英英释义

例句

1.The software update improved the detection threshold 检测阈值 for recognizing faces in crowded environments.

软件更新提高了在人群密集环境中识别面孔的检测阈值。

2.Adjusting the detection threshold 检测阈值 allows for better performance in various lighting conditions.

调整检测阈值可以在各种光照条件下提高性能。

3.The new sensor was designed to improve the detection threshold 检测阈值 for low levels of pollutants in the air.

新传感器旨在提高空气中低水平污染物的检测阈值。

4.Researchers found that the detection threshold 检测阈值 for sound frequency varies among different species of animals.

研究人员发现，不同动物物种的检测阈值在声音频率上有所不同。

5.In medical imaging, lowering the detection threshold 检测阈值 can help identify smaller tumors.

在医学成像中，降低检测阈值可以帮助识别更小的肿瘤。

作文

In the field of science and technology, the term detection threshold refers to the minimum level of a stimulus that can be detected by an observer or a sensor. This concept is crucial in various disciplines, including psychology, biology, and engineering. Understanding the detection threshold is essential for designing experiments and interpreting results accurately. For instance, in sensory psychology, researchers study how different stimuli, such as light, sound, or taste, can be perceived by individuals. The detection threshold determines the point at which a person can consciously recognize a stimulus. If the intensity of the stimulus is below this threshold, it goes unnoticed. Therefore, knowing the detection threshold helps scientists understand human perception and behavior better.In the field of environmental monitoring, the detection threshold plays a significant role in assessing pollution levels. Sensors are designed to detect specific contaminants in air, water, or soil. The detection threshold indicates the lowest concentration of a pollutant that the sensor can accurately identify. If the concentration is below this threshold, the sensor may fail to provide reliable data, leading to potential health risks and environmental hazards. Consequently, setting an appropriate detection threshold is vital for ensuring public safety and effective environmental management.Moreover, in medical diagnostics, the detection threshold is critical for identifying diseases. Medical tests often rely on detecting specific biomarkers in a patient's sample. The detection threshold determines the lowest level of these biomarkers that can be reliably detected. If a test's detection threshold is too high, it may miss early signs of a disease, delaying treatment and worsening patient outcomes. Thus, refining the detection threshold in diagnostic tests can lead to earlier detection and better management of various health conditions.In engineering, especially in signal processing, the detection threshold is used to determine the presence of a signal amidst noise. Engineers must establish a detection threshold that allows them to distinguish between useful signals and background noise. A well-defined detection threshold ensures that systems can accurately process information without being overwhelmed by irrelevant data. This is particularly important in telecommunications, where clear communication relies on the ability to detect and interpret signals accurately.In conclusion, the concept of detection threshold is fundamental across multiple fields, influencing how we perceive stimuli, monitor environmental conditions, diagnose diseases, and process signals. A thorough understanding of the detection threshold enables researchers, engineers, and medical professionals to enhance their work, leading to better outcomes in their respective domains. As technology advances, refining our understanding of the detection threshold will continue to play a pivotal role in improving our ability to detect and respond to various stimuli effectively. Therefore, ongoing research and development aimed at lowering the detection threshold in different applications could yield significant benefits for society as a whole.

在科学和技术领域，术语检测阈值指的是观察者或传感器能够检测到的刺激的最小水平。这个概念在心理学、生物学和工程等多个学科中至关重要。理解检测阈值对于设计实验和准确解释结果至关重要。例如，在感官心理学中，研究人员研究不同的刺激，例如光、声音或味道，如何被个体感知。检测阈值决定了一个人能够自觉识别刺激的点。如果刺激的强度低于这个阈值，它就不会被注意到。因此，了解检测阈值有助于科学家更好地理解人类的感知和行为。在环境监测领域，检测阈值在评估污染水平中发挥着重要作用。传感器被设计用来检测空气、水或土壤中的特定污染物。检测阈值表示传感器能够准确识别的污染物的最低浓度。如果浓度低于这个阈值，传感器可能无法提供可靠的数据，从而导致潜在的健康风险和环境危害。因此，设定适当的检测阈值对确保公众安全和有效的环境管理至关重要。此外，在医学诊断中，检测阈值对于识别疾病至关重要。医学测试通常依赖于检测患者样本中的特定生物标志物。检测阈值决定了可以可靠检测到的这些生物标志物的最低水平。如果测试的检测阈值过高，可能会错过疾病的早期迹象，延误治疗，恶化患者的预后。因此，改进诊断测试中的检测阈值可以导致更早的检测和更好的健康状况管理。在工程领域，特别是在信号处理方面，检测阈值用于确定信号在噪声中的存在。工程师必须建立一个检测阈值，使他们能够区分有用信号和背景噪声。明确定义的检测阈值确保系统能够准确处理信息，而不被无关数据淹没。这在电信中尤其重要，因为清晰的通信依赖于准确检测和解释信号的能力。总之，检测阈值的概念在多个领域中是基础性的，影响我们感知刺激、监测环境条件、诊断疾病和处理信号的方式。对检测阈值的透彻理解使研究人员、工程师和医疗专业人员能够提升他们的工作，从而在各自领域取得更好的结果。随着技术的进步，精炼我们对不同应用中检测阈值的理解将继续在提高我们有效检测和响应各种刺激的能力方面发挥关键作用。因此，旨在降低不同应用中检测阈值的持续研究和开发可能会为整个社会带来显著的益处。