查询词典 spectrum

The lorentzian spectrum line resolution enhancement is analysed and simulated by computer with the convolution difference method.

用数字加权处理来提高谱分辨率的方法已得到广泛应用，新的加权方法还在不断出现。

Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system.

线谱是水中目标辐射噪声中重要的特征信息，在被动声呐系统中，线谱提取是水中目标识别的关键技术。

This system is based on a line sensor and group delay spectrum in which the relevant advantages have been mentioned above.

本系统基於条状感测器和群延迟频谱有著上述的优势；更进一步，经由实验得知本论文的辨识率为 93.82%。

The paper introduces the principle of this method, analyzes its correcting effects changed with noise and spectrum line numbers used, the simulation result is also given.

该文介绍了三角形法频谱校正的原理，分析了三角形法校正效果随信噪比以及参与校正的谱线根数变化情况，并给出了仿真结果。

Line spectrum provide significant distinct information in radiation noise of underwater target.

线谱是水中目标辐射噪声中重要的特征信息，在被动声呐系统中，线谱提取是水中目标识别的关键技术。

The powers of each line of spectrum were measured and the wavelengths were calculated. Th

该装置尺寸小，使用比较方便，可以满足连续波DF化学激光器性能研究的需要。

The boardening of the spectral line in the spectrum when the helix stucture is perpendicular to the atomic be...

观察了螺旋线慢波结构轴与原子束垂直放置时波谱中谱线的增宽，并进行了讨论。

According to the results of strength analysis, combining with load spectrum tested on line, fatigue life analysis is executed by Fortran language based on IIW and BS Standards.

在静强度分析的基础上，结合实测载荷谱，用Fortran语言编程，应用IIW和BS标准针对该车典型的焊接接头比较了寿命的评估结果。

Focused on a resonance-grounded power system,a new method of selecting faulted line based on multifractal spectrum of the zero-sequence current is presented.

系统阐述了多重分形和多重分形谱的小波局部极大模计算方法，提出了利用多重分形谱对线路的零序电流进行分析，根据谱图进行判断故障线路的新方法。

Ordinarily, a range of values of y' are integrated, which has the effect of broadening and shifting a monochromatic line in the spectrum which is recovered from the Fourier transform of I.

通常， y'的价值的范围；是联合，有变宽的作用并且转移一条单色线在光谱从I。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。