- 更多网络例句与频率相关的网络例句 [注:此内容来源于网络,仅供参考]
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Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency-space domain, Fourier finite difference operator in mixing domain(frequency-space and frequency-wavenumber domain) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability.
第二,从平方根算子的近似展开出发对频率—空间域的有限差分算子、混合域(频率—空间域;频率—波数域)的Fourier有限差分算子、混合域的广义屏算子进行了推导并对其波场描述精度、对横向变速的适应性、计算效率和稳定性进行了比较与评述。
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In the aspect of the study of the application of HHT method, This dissertation has done three part of jobs: first, the Elcentro strong ground motion which is in common use in earhtquake engineering is analyzed by HHT method, getting its amplitude-frequency-time distribution and the comparison between the HHT marginal spectrum and Fourier spectrum is also made; second, the typical nonlinear system defined by the Duffing equation is analyzed by HHT method, getting its numerical value's amplitude-frequency-time distribution and the comparison between the HHT marginal spectrum and Fourier spectrum is also made; third, define the stationary degree of non-stationary signals making use of 3-D time-frequency spectrum and marginal spectrum, the stationary degree curve of Elcentro seismic recording is protracted according to its defining formula, the stationary degree curve of Elcentro seismic recording which change with time is protracted according to similiar definition.
在HHT方法的应用研究方面,本文做了三部分的工作:首先,利用HHT方法分析了地震工程中常用的Elcentro非平稳强震记录,得到了该记录的振幅-频率-时间分布特性,并将得到的边际谱与傅立叶谱做了比较;其次,应用HHT方法分析了典型的非线性系统-Duffing方程,得到了该方程数值解的振幅-频率-时间分布特性,并将得到的边际谱与傅立叶谱做了比较;最后,利用三维时频谱与边际谱定义了非平稳信号的平稳度,并依照其定义式绘制了Elcentro地震波记录的平稳度曲线,依照类似与依赖与频率变化的平稳度定义,初步尝试编程绘制了Elcentro地震波随时间变化的平稳度曲线。
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The time-frequency analysis to do 3D graphics source files, the program can draw signal frequency, and the ti...
有关时频分析做三维图形的源程序,该程序可以绘出信号,频率,以及时频三维图形,对信号的特性分析可以较好把握!
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The designed terminal can collect too many electric parameters such as voltage RMS, current RMS, digital waveform of voltage and current, active power, reactive power, apparent power, frequency and current temperature etc.
该终端可以采集三相电压、电流的有效值,三相电压、电流的数字波形,三相有功、无功、视在功率,频率,现场温度等各种电力参数,还可以同时采集3路脉冲量,8路模拟量。
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The designed terminal can collect too many electric parameters such as voltage RMS, current RMS, digitalwaveform of voltage and current, active power, reactive power, apparent power, frequency and current temperature etc.
该终端可以采集三相电压、电流的有效值,三相电压、电流的数字波形,三相有功、无功、视在功率,频率,现场温度等各种电力参数,还可以同时采集3路脉冲量,8路模拟量。
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Based on the analysis for the dynamic characteristics of semi-rigid steel frames with simple or multiple degree-of-freedoms,effects of rotation stiffness of beam-to-column connections on the structure period,frequency,critical damping and mode of vibration are discussed.
通过对单自由度体系和多自由度体系半刚接钢框架的动力特征分析,初步探讨了梁柱连接转动刚度对结构自振周期、频率、临界阻尼以及振型等参数的影响。
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From 1920s up to Now, various techniques and methods for wave field decomposition, propagation and migration/imaging have been well developed, such as the Kirchhoff asymptotic method, frequency-wavenumber domain phase-shift and phase-shift-plus-interpolation methods, and the one-way wave equation based phase-screen and generalized screen methods, etc.
自上个世纪二十年代至今,波场分解、传播与偏移成像技术经历了将近一个世纪的发展,形成了多种不同的方法,如Kirchhoff波动方程高频近似解方法,频率-波数域的相移(phase-shift)方法和相移-内插方法,以及在混合域中基于单向波动方程的相位屏、广义屏方法等。
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During the course of electro form process, we got ideal electro form process condition that can get windings with uniform granule and high compactness, including current waveform, frequency, duty ratio and voltage to the windings ect. Affect of underlay's flatness to the electroform process are also analysed in detail. Compatibility between photoresist and electroforming solution is also solved.
在电铸工艺中,摸索出获得颗粒均匀、致密度高的金属绕组线圈的电铸工艺条件,给出了电铸电流的波形、频率、占空比及电极电压,并对衬底表面不平整度对电铸效果的影响进行了详细分析,解决了电铸过程中光刻胶与电铸液兼容性的问题。
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During the course of electro form process, we got ideal electro form process condition that can get windings with uniform granule and high compactness, including current waveform, frequency, duty ratio and voltage to the windings ect. Affect of underlays flatness to the electroform process are also analysed in detail. Compatibility between photoresist and electroforming solution is also solved.
在电铸工艺中,摸索出获得颗粒均匀、致密度高的金属绕组线圈的电铸工艺条件,给出了电铸电流的波形、频率、占空比及电极电压,并对衬底表面不平整度对电铸效果的影响进行了详细分析,解决了电铸过程中光刻胶与电铸液兼容性的问题。
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The nature of the electromagnetic spectrum, including the interrelationships of wavelength, frequency, energy, and propagation speed.
电磁波普的特性,包括波长、频率、能量和传播速度之间的相互作用。
- 更多网络解释与频率相关的网络解释 [注:此内容来源于网络,仅供参考]
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frequence:时常发生/频度/频率
frenzy /使狂乱/使激怒/狂乱/狂怒/狂暴/热狂/ | frequence /时常发生/频度/频率/ | frequency /频率/次数/率/频/频道/
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FR frequency:频率
FPR full power response 全功率响应 | FR frequency 频率 | FR frequency response 频率响应
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FR frequency:频率 ZGR电子技术吧
FPR full power response 全功率响应 ZGR电子技术吧 | FR frequency 频率 ZGR电子技术吧 | FR frequency response 频率响应 ZGR电子技术吧
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frequency:频率
模式是提供足够"频率"(frequency),"强度"(Intensity),和"长度"(Duration) 的刺激促使大脑发育. 一但大脑像正常孩子经历的一样发育起来,许多问题就迎刃而解. 千万不要还抱着"头疼医头,脚疼医脚"的旧观念来看训练项目.
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Hertz Hz:频率 赫[兹]
有专门名称的导出单位 面积 平方米 square-meter m | 频率 赫[兹] hertz Hz | 功率:辐射通量 瓦[特] watt W
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relative frequency:频率
" 频率(relative frequency) 一个随机试验有几种可能的结果,在重复进行试验时,个别结果看来是偶然发生的,但当重复试验次数相当大时,总有某种规律性出现.
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response curve:频率(特性)曲线 响应[反应]曲线 灵敏度特性曲线
labour along 艰难地前进 | response curve 频率(特性)曲线 响应[反应]曲线 灵敏度特性曲线 | amyl hydrosulfide 戊硫醇
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undamped frequency:无阻尼[振动]频率
油性,润滑性 unctuosity | 无阻尼[振动]频率 undamped frequency | 无阻尼自然频率 undamped natural frequency
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overfrequency cross:频率 穿越
器 渐变 交叉 Crossfader . | 频率 穿越 overfrequency cross- . | 十字线 wire cross- .
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The number of complete alternations or:频率,次数
freon plasma 氟里昂等离子体 | frequency 频率,次数, The number of complete alternations or | frequency acceptance band 接收频带