time resolved spectrum

简明释义

时间分辨谱

英英释义

A time resolved spectrum is a representation of the distribution of energy or intensity of a signal as a function of both frequency (or wavelength) and time, allowing for the analysis of dynamic processes in various scientific fields such as spectroscopy and telecommunications.

时间分辨光谱是信号在频率(或波长)和时间的函数下能量或强度分布的表示,允许在光谱学和电信等多个科学领域中分析动态过程。

例句

1.By employing a time resolved spectrum 时间分辨光谱, scientists can capture transient phenomena that occur in nanoseconds.

通过采用时间分辨光谱 时间分辨光谱,科学家可以捕捉到在纳秒内发生的瞬态现象。

2.The time resolved spectrum 时间分辨光谱 technique is essential for studying ultrafast processes in physics.

时间分辨光谱 时间分辨光谱技术对于研究物理中的超快过程至关重要。

3.The time resolved spectrum 时间分辨光谱 provided insights into the excited state dynamics of the molecules.

时间分辨光谱 时间分辨光谱提供了对分子激发态动态的见解。

4.In our lab, we utilize a time resolved spectrum 时间分辨光谱 to study the fluorescence lifetime of various materials.

在我们的实验室中,我们利用时间分辨光谱 时间分辨光谱来研究各种材料的荧光寿命。

5.The researchers analyzed the time resolved spectrum 时间分辨光谱 to understand the dynamics of the chemical reaction.

研究人员分析了时间分辨光谱 时间分辨光谱以了解化学反应的动态。

作文

In the field of physics and chemistry, understanding the interactions of light with matter is crucial for many applications, such as spectroscopy and imaging. One important concept that arises in these fields is the time resolved spectrum, which provides valuable insights into the dynamics of molecular processes. The time resolved spectrum (时间分辨光谱) allows scientists to observe how the absorption or emission of light changes over time, revealing information about the behavior of molecules during chemical reactions or physical changes.The basic principle behind a time resolved spectrum involves measuring the intensity of light at various wavelengths as a function of time after a pulse of energy is applied. This can be achieved using ultrafast laser techniques, which generate short pulses of light that can excite molecules and initiate reactions. By capturing the emitted light at different times after the excitation, researchers can construct a spectrum that shows how the molecular state evolves.One of the key advantages of using a time resolved spectrum is its ability to provide temporal resolution, which is essential for studying fast processes that occur on the timescale of picoseconds to nanoseconds. For example, in photochemistry, understanding the excited states of molecules and their subsequent relaxation pathways is critical. The time resolved spectrum helps to map out these pathways, allowing scientists to identify intermediates and determine reaction mechanisms.Moreover, the time resolved spectrum can also be applied in biological systems, where it can help elucidate the dynamics of protein folding, enzyme activity, and other rapid biochemical processes. By analyzing the time resolved spectrum, researchers can gain insights into how proteins change conformation and how these changes affect their function.In recent years, advancements in technology have significantly enhanced the capabilities of time resolved spectrum techniques. For instance, the development of two-dimensional electronic spectroscopy has opened new avenues for studying complex systems, providing even richer information about molecular interactions and dynamics. This technique allows for the simultaneous observation of multiple transitions, leading to a more comprehensive understanding of the system under investigation.Despite its powerful applications, interpreting a time resolved spectrum can be challenging due to the complexity of the data. Researchers often employ sophisticated mathematical models and computational simulations to extract meaningful information from the spectra. Additionally, careful experimental design is crucial to minimize noise and ensure accurate measurements.In conclusion, the time resolved spectrum is an invaluable tool in both fundamental research and practical applications across various scientific disciplines. By enabling the observation of dynamic processes in real-time, it provides a deeper understanding of the intricate behaviors of molecules. As technology continues to advance, the potential for time resolved spectrum techniques will undoubtedly expand, leading to new discoveries and innovations in science and technology.

在物理和化学领域,理解光与物质的相互作用对于许多应用(如光谱学和成像)至关重要。其中一个重要概念是时间分辨光谱,它为分子过程的动态提供了宝贵的见解。时间分辨光谱time resolved spectrum)允许科学家观察光的吸收或发射如何随时间变化,从而揭示分子在化学反应或物理变化过程中的行为。时间分辨光谱的基本原理涉及在施加能量脉冲后测量不同波长的光强度随时间的变化。这可以通过超快激光技术实现,该技术产生短脉冲光,可以激发分子并启动反应。通过捕捉激发后不同时间发出的光,研究人员可以构建一个光谱,显示分子状态如何演变。使用时间分辨光谱的一个主要优点是它能够提供时间分辨率,这对于研究在皮秒到纳秒时间尺度上发生的快速过程至关重要。例如,在光化学中,理解分子的激发态及其随后的弛豫路径是关键。时间分辨光谱有助于描绘这些路径,使科学家能够识别中间体并确定反应机制。此外,时间分辨光谱还可以应用于生物系统,帮助阐明蛋白质折叠、酶活性和其他快速生化过程的动态。通过分析时间分辨光谱,研究人员可以深入了解蛋白质如何改变构象以及这些变化如何影响其功能。近年来,技术的进步显著增强了时间分辨光谱技术的能力。例如,二维电子光谱的发展为研究复杂系统开辟了新的途径,提供了关于分子相互作用和动态的更丰富信息。这种技术允许同时观察多个跃迁,从而对所研究的系统有更全面的理解。尽管有强大的应用,但解释时间分辨光谱可能具有挑战性,因为数据的复杂性。研究人员通常采用复杂的数学模型和计算模拟来提取光谱中的有意义信息。此外,仔细的实验设计对于最小化噪声和确保准确测量至关重要。总之,时间分辨光谱是基础研究和各个科学领域实际应用中不可或缺的工具。通过使动态过程实时观察成为可能,它提供了对分子复杂行为的更深刻理解。随着技术的不断进步,时间分辨光谱技术的潜力无疑将扩大,带来科学和技术的新发现和创新。

相关单词

spectrum

spectrum详解:怎么读、什么意思、用法