查询词典 spectrum

S work has also been published in Spectrum and on collectable plates from the Bradford Exchange.

此为DVD2，在这一教程中，J.P将创造一个完全只有黑白的色调低层色插画。

This paper puts forward to a new way of generating colored noise using a novel all-filter phase digital filter. Compared to traditional FIR filter, the colored noise generated by using this filter has fewer spectrum leak, higher stop band attenuation.

本文提出用全相位数字滤波器这种新型滤波器滤波白噪声产生有色噪声的方法，这种方法比用传统FIR滤波器产生的有色噪声频谱泄漏少，阻带衰减功率大等优点。

To avoid the effect of interaction between the two components on the determination, the column vector of K matrix obtained from the standard mixtures with least squares was used as the pure spectrum of component.

在550 nm～630nm内取41个波长测量7组标准混合溶液的吸光度作为校正集，用最小二乘法求得的系数矢量作为各组分的纯光谱。

Otherwise, the combination of the principle of Spread Spectrum with the concept of Software Radio also is a new research way in the field of communication.

此外，将扩频通信理论与软件无线电思想相结合也是当今通信领域中新兴的研究方向。

Estimates vary enormously as to the prevalence, but one in 100 people is thought to be on the autism spectrum, and it is more common in males by a ratio of nine to one.

关于患者在人群中的百分比，各方面的估计相差很大。一般认为，孤独症类的患者在人群中的比例是百分之一，男性居多，男女比率是9比1。

This is a mobile communications multipath channel response to the power spectrum including phase, Delayed response, etc.

这是一个移动通信多径信道的功率谱响应的matlab程序。

It will also be necessary to free up radio spectrum now used for military and satellite communications.

同样地，也有必要开放目前用于军事和卫星通讯的无线电频段。

By using the spectrum approximation theory of compact operator, the approximation of anisotropic nonconforming ?nite element method for Stokes eigenvalue pronlem are presented and the optimal error estimates are obtained, which are as same as those of traditional ?nite element methods.

利用紧算子谱逼近理论，给出了 Stokes 特征值问题的各向异性非协调有限元逼近方法及最优误差估计，得到了与剖分网格满足正则性或拟一致性关键假设下相同的收敛效果。

Some priori estimates, Turing instability and global stability of positive constant steady-state solution are obtained by comparison principle, operator spectrum theory and Turing theory.

利用比较原理，算子谱理论及Turing理论，得到了正解的一些先验估计，正常数平衡态解的Turing不稳定性及正常数平衡态解的一致渐近稳定性。

Fig.2 The comparison of absorption spectrum of glass and glass-ceramic.

图2 不同温度处理下的玻璃陶瓷与玻璃样品的吸收谱对比。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。