查询词典 spectral

Compared with Burg algorithm, this method has the advantages of less bias in the frequency estimation and being absent of spectral line splitting.

与Burg算法相比，该方法的优点是谱峰偏移程度较低，且不存在谱线分裂现象。

The mechanical construction of the optical system is so characterized that two or four pickups can be set exactly on the same spectral line.

光学系统的特点在于所接收的同一单色光上可以放置2个或 4个测量线。

The results show that these quantum dots have good optical properties, such as narrow spectral line widths and continuous absorption profiles, which provide a powerful foundation for further applications.

实验结果表明，所制备的量子点具有良好的光学性能，其激发光谱宽且连续，发射光谱窄而对称，为本论文后续的拓展与应用研究提供了保证。

Under this framework, many risk measure technologies are established, one of which is the spectral risk measure.

谱风险测度的概念根源于ES的思想，是Expected Shortfall的一种推广。

Finally, we optimize the allocation of a portfolio based on spectral risk measure. The optimization results are fully explained.

最后，提出了以谱风险度量为目标函数的投资组合优化配置模型，并讨论了模型的求解结果。

Using these vectors, clusters of vectors are derived using a derived spectral distance measure.

使用这些矢量，用一个导出的频谱距离可推导出矢量簇。

Remote sensing spectrometers were widely used in the fields such as spectral measure and trace gas supervision in atmosphere.

被动遥测光谱技术在目标光谱探测、大气痕量气体监测等方面都有广泛的应用。

The technology to precisely measure the absolute spectral responsivity of HgCdTe detector is investigated.

对HgCdTe探测器光谱响应度的测试技术进行了研究。

With the development of photovoltaic technology, the filtering, comparison and identification of the solar photovoltaic cell began to put on the agenda, and its spectral response is an important measure.

随着光电技术的发展，对光电池的筛选、比较和鉴别就开始提上日程，而其光谱响应特性则作为一个重要的衡量指标。

An example of the practical use of the instrument to measure the spectral reflectance of partially vegetated surfaces in an area of complex terrain in southern Italy is presented.

作者：文书的实际用途来衡量一个复杂的地形在意大利南部地区的部分植物表面的反射光谱实例。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。