It is a section of the electromagnetic frequency scale, a lode of natural channels used by cellphones.
那不过是手机用到的一段段的电磁波段，一层层的自然频谱。
The theory of economic cycle involves the research on the length of economic cycle. Compared with the ARMA method frequency scale method has several advantages.
经济周期的理论必然涉及经济周期长度的研究，相对于常用的自回归移动平均方法，谱分析方法具备一定的优点。
To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.
为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。
The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.
针对振动焊接中激振器的激振力不大、频带不宽等缺陷，本文研制了一种以超磁致伸缩激振器为执行元件的微振动平台。
Disasters are also increasing in scale and frequency.
大灾难的规模和频率也在不断扩大。
Light emitted in this environment will have a certain frequency, which is related to the time scale (or the gravity strength) of the environment.
在那样环境下所发射的光会具有一定的频率，这个频率是与环境的时间标度(或引力强度)有关。
And their increasing frequency is an important part of the degradation of the Amazon forest-and could be an indicator of large-scale environmental change.
并且它们不断增长的发生频率是亚马逊森林退化的一部分——这种变化可以作为一大片地区环境变化的指示器。
For synoptic scale systems, the SST thermal forcing mainly excites the atmospheric low - frequency oscillation.
对于天气尺度系统，海温热力场则主要激发出大气低频振荡。
In deep submicron era, IC design in physical design has more and more challenge, with the increasing design scale, faster clock frequency and minimizing process dimension.
在深亚微米时代，随着设计规模变大，时钟频率越来越高以及工艺尺寸的减小，IC物理设计面临着诸多困难。
When disconnected with external power grid due to certain fault, it will result in frequency collapse, and even leads to large-scale blackout owing to the active power imbalance.
当故障导致供电系统与外电网断开后，此时供电系统因有功不平衡，将出现频率崩溃现象，导致大面积停电事故。
Based on frequency domain distribution and scale feature of textural information, we can do texture classification effectively.
该算法利用纹理信息的频域分布以及尺度特性，并在此基础上进行纹理分类。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
However, because the method of DF only USES document frequency to scale the distinguish capacity, we find it has two disadvantages.
但是通过分析我们发现，由于仅仅使用文档频率来衡量特征的区分能力，文档频率方法存在两个问题。
In order to attain the goal of using multi scale frequency divided data for interpretation, the paper applied the wavelet multi resolution analysis to detect the coherent data volume.
为了达到多尺度分频解释的目的，本文将小波多分辨率分析应用到相干体提取过程中。
Investigation characteristic of real world audio, combine stationary for short time-scale and non-stationary for longer time-scales, proposed a time frequency domain blind source separation algorithm.
研究了实际环境语音信号的特性，结合语音信号的短时平稳性和长时非平稳性，给出了一种时频域盲分离算法。
A scale model is introduced and its merits and limitations in calculating design rainfall depths, compared to traditional frequency analysis (direct method), are analyzed in this paper.
简要介绍了一种新的结合物理过程的尺度模型，并分析比较了应用尺度模型和传统频率分析方法(即直接计算法)来计算设计降雨的优劣势。
The production volume of high-frequency quartz crystal display was yet to reach a level that reaps most benefit from economies of scale.
高频石英的产量目前尚未达致规模经济效益的最佳水平。
Small scale fluctuation can be described in two scenarios: time dispersive and frequency dispersive.
小尺度衰落可以从信道的时间色散性和频率色散性两方面进行研究。
The relative frequency polygon has the same shape as the frequency polygon made from the same data set but a different scale of values on the vertical axis.
根据同一资料绘制的相对频率多边形与频率多边形的形状是相同的，只是纵轴上的标尺不同。
In this historical background, the merger of local accounting firm has become an important phenomenon, and the scale and frequency of the merger will be getting higher and higher.
在这种历史背景下，本土会计师事务所合并已成为一个重要现象，而且合并的规模和频率将会越来越高。
The results we obtained on normal PCG signal show that the STFT analysis with different scale basis provides a clear comprehension of the cardiac events in both time and frequency domain.
实验结果表明，不同时频尺度的STFT分析可以很好地描述正常心音信号的时域和频域特征。
In the aspect of vehicle plate location, author adopt the algorithm of the frequency of gray scale alternate to seek approximately location.
在车牌定位方面，本文采用了灰度跳变频率算法进行粗定位。
Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.
利用我们现有的标准，一台试验型实验室铯束标准，三台氢原子钟以及若干台(2 -6)铷气泡标准来建立原子时尺度。
So many application system depend on the system of frequency and time measurement, such as large scale communication system, electrical power system and GPS navigation position system.
许多应用系统也都依赖于时频测量系统，如大规模通讯系统，电力系统以及GPS导航定位系统等。
Firstly, the problem of decentralized stabilization is described in the frequency domain language. Then the large scale problem is decomposed into a series of smaller ones.
作者首先将大系统分散镇定问题用频域的语言来进行描述，然后将大系统问题分解成一系列问题。
By the family of wavelet basis function of wavelet Composition, it can describe the signal time (space) and frequency (scale) domain of the local characteristics.
小波由一族小波基函数构成，它可以描述信号时间(空间)和频率(尺度)域的局部特性。
Then, the analytic solution of the geometrical nonlinear vibration system and the frequency-response properties of the actuator were analyzed by using multi-scale method.
应用多尺度法得到了超磁致伸缩换能器几何非线性振动系统响应的解析解和频响特性表达式。
Then, the analytic solution of the geometrical nonlinear vibration system and the frequency-response properties of the actuator were analyzed by using multi-scale method.
应用多尺度法得到了超磁致伸缩换能器几何非线性振动系统响应的解析解和频响特性表达式。
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