coincidence counting

简明释义

符合计数

英英释义

例句

1.Using coincidence counting 重合计数, scientists can detect rare events that occur simultaneously.

科学家可以使用重合计数检测同时发生的稀有事件。

2.In particle physics experiments, researchers often use coincidence counting 重合计数 to determine the correlation between emitted particles.

在粒子物理实验中，研究人员经常使用重合计数来确定发射粒子之间的相关性。

3.In a dual-detector setup, coincidence counting 重合计数 helps identify the source of gamma rays more effectively.

在双探测器设置中，重合计数有助于更有效地识别伽马射线的来源。

4.The technique of coincidence counting 重合计数 is essential for improving the accuracy of measurements in nuclear medicine.

在核医学中，重合计数技术对于提高测量的准确性至关重要。

5.The data collected through coincidence counting 重合计数 can lead to significant discoveries in astrophysics.

通过重合计数收集的数据可以导致天体物理学上的重大发现。

作文

In the realm of physics and engineering, the concept of coincidence counting plays a crucial role in various experiments and measurements. Essentially, coincidence counting refers to the method of detecting simultaneous events or particles that occur within a specific time window. This technique is particularly important in fields such as nuclear physics, particle physics, and even in certain medical imaging technologies like Positron Emission Tomography (PET). By accurately counting coincident events, researchers can gain valuable insights into the properties and behaviors of subatomic particles.To elaborate further, let us consider an example from particle physics. When two particles collide, they may produce several other particles as a result. In order to analyze these interactions effectively, scientists employ coincidence counting to determine how many of these produced particles are detected simultaneously by multiple detectors. By setting a time window, they can filter out random events that are not correlated with the collision, allowing for a more precise measurement of the collision's characteristics.The importance of coincidence counting extends beyond just particle detection; it also enhances the overall efficiency of data collection. For instance, in a laboratory setting, researchers might use multiple detectors spread across different locations to capture the same event. By employing coincidence techniques, they can ensure that only those signals that are truly coincident are considered, thus reducing noise and improving the signal-to-noise ratio in their data analysis.Moreover, coincidence counting can also be applied in the field of quantum mechanics, where it helps in understanding phenomena such as entanglement and superposition. When measuring entangled particles, scientists often rely on coincidence counting to verify that the particles are indeed correlated in their measurements. This correlation is a fundamental aspect of quantum mechanics and has implications for quantum computing and information theory.In practical applications, coincidence counting is not limited to academic research. Industries that utilize radiation detection, such as security screening and environmental monitoring, also benefit from this technique. By effectively counting coincident events, these industries can enhance their detection capabilities and improve safety measures.In conclusion, the concept of coincidence counting is integral to many scientific disciplines. It allows researchers to filter and analyze data more effectively, leading to better understanding and advancements in technology. As we continue to explore the universe at both macroscopic and microscopic levels, the role of coincidence counting will undoubtedly remain significant in unraveling the complexities of nature. Its applications are vast and varied, making it a vital tool for scientists and engineers alike.

在物理和工程的领域中，短语coincidence counting（重合计数）的概念在各种实验和测量中扮演着至关重要的角色。基本上，coincidence counting指的是在特定时间窗口内检测同时发生的事件或粒子的方法。这种技术在核物理、粒子物理学，甚至某些医学成像技术（如正电子发射断层扫描）中都特别重要。通过准确计数重合事件，研究人员可以深入了解亚原子粒子的性质和行为。进一步阐述，我们可以考虑一个来自粒子物理学的例子。当两个粒子碰撞时，它们可能会产生其他几个粒子。为了有效分析这些相互作用，科学家使用coincidence counting来确定有多少个生成的粒子被多个探测器同时检测到。通过设置一个时间窗口，他们可以过滤掉与碰撞无关的随机事件，从而更精确地测量碰撞的特征。coincidence counting的重要性不仅限于粒子检测；它还提高了数据收集的整体效率。例如，在实验室环境中，研究人员可能会使用分布在不同位置的多个探测器来捕捉同一事件。通过应用重合技术，他们可以确保只有那些真正重合的信号被考虑，从而减少噪声并提高数据分析中的信噪比。此外，coincidence counting也可以应用于量子力学领域，帮助理解纠缠和叠加等现象。在测量纠缠粒子时，科学家通常依赖重合计数来验证粒子在测量中确实是相关的。这种相关性是量子力学的基本方面，并对量子计算和信息理论具有重要意义。在实际应用中，coincidence counting并不限于学术研究。利用辐射检测的行业，如安全筛查和环境监测，也从这一技术中受益。通过有效计数重合事件，这些行业可以增强其检测能力，提高安全措施。总之，coincidence counting的概念在许多科学学科中是不可或缺的。它使研究人员能够更有效地过滤和分析数据，从而更好地理解和推动技术进步。随着我们继续探索宏观和微观层面的宇宙，coincidence counting的作用无疑将在揭示自然的复杂性中保持重要性。它的应用广泛而多样，使其成为科学家和工程师的重要工具。