According to Doppler theory, simulated echo signal comprise the corresponding Doppler Spectrum, then ocean current velocity can be simulated. 并根据模拟回波信号中包含有相应的多谱勒谱的信息,模拟了海流的流速。
A torpedo motional noise simulated method base on frequency spectrum sampling arithmetic 基于频谱取样算法的***运动噪声仿真生成方法
Reliable simulated sunlight, the full spectrum of test materials, ageing resistance performance. 可靠模拟全光谱日光,测试材料的耐老化性能。
An auto spectral density model is derived from the spectral analysis to the ice load data. The load spectrum is between narrow and wide band and can be simulated by Neumann spectrum. 通过对冰力数据的谱分析,得到了窄锥结构上的冰力谱形式。
Simulated test on laser induced autofluorescence spectrum of tissue 生物组织自体荧光光谱诊断的模拟实验研究
The author simulated several common linear power spectrum estimates by making use of powerful MATLAB. Moreover, in this paper, the advantages and disadvantages of these methods are discussed from the point of view of experiment for proper applications. 作者采用功能强大的MATLAB软件对常用的几种线性法功率谱估计进行了仿真,从实验的角度讨论了这几种功率谱估计法的优缺点,便于在实际工作中做出合理的选择。
Simulated the spectrum of copolymer by added the spectrum of the monomer. 可以用单体纯物质的光谱模拟共聚物光谱。
This calculation was based on the Monte Carlo simulated primary X-ray spectrum, and the formula of Klein-Nishina was used for the calculation for the scattered spectra mainly scattered from primary collimator and energy spreader. 该方法是在蒙特卡罗模拟计算得到的初级X射线能谱的基础上,通过康普顿散射的Klein&Nishina公式计算得到的。考虑的主要散射源为机头内的初级准直器和均整块。
Harmonic frequency points are decided by MP exactly and are curve-fitted by quadric polynomial. The corresponding harmonic amplitudes are simulated by LPC spectrum envelope. 谐波谱线基频由谐波积谱法(SHS)获得,各次谐波频点确切位置借助MP迭代过程推出,并进行二次曲线拟合,对应的谐波幅度采用LPC谱包络近似。
The Synthesis and Correction of Simulated Earthquake Wave on Hydraulic Design Response Spectrum 基于水工标准反应谱的人工地震动合成及其校正
Finally, using Monte-Carlo method, we simulated the randam rough ( 1D) surfaces with Gauss spectrum, and the new method is applied to data from simulating surfaces. 最后,利用蒙特卡罗方法模拟了高期分布随机粗糙面,并对它们的分维给予了估计。
Compared with the simulated cluster systems, the efficiency of spectrum utility and the anti-fading ability of signal have been much improved in the digital cluster systems. 数字集群移动通信系统相比模拟集群其频谱利用率和信号抗信道衰落的能力都有很大的提高。
In this paper the moving process of electrons injected into anode is simulated by Monte Carlo method, and the radiation energy spectrum, angle distribution in positive rod plate gap with different voltage and different electrod materials are calculated. 本文利用电子光子MonteCarlo方法模拟单个电子入射阳极后的游动厉史,运用不同的电极材料,计算了正针负板电极在不同的冲击电压作用下所产生的X射线的能量分布及角度分布。
An arbitrary spectrum was simulated by the least squares fit, using the D-T spectrum and the 200# spectrum as known spectra. 以D-T中子源和200~反应堆中子源为已知模拟源,对一个任意中子源进行了最小二乘法拟合。
The simulated calculation for the spectrum error of radiation instruments in dissemination of a quantity 标准传递中日射表光谱误差的模拟计算
The simulated signals are then processed by coherent integration and spectrum analysis. 在技术要求适当的VHF雷达设计参数条件下,对模拟回波信号进行了相干积分和谱分析处理。
This paper has introduced the principle and method of the simulated test on equivalent pavement roughness spectrum, and roughly analysed the experiment results and their errors. 本文介绍了汽车等效路面谱模拟试验的原理和方法,并对模拟试验结果及其误差进行了初步分析。
Finally, when there were eight WDM optical input signals, using the black box model and two level model respectively, we simulated the amplified optical spectrum. 最后分别模拟放大系统采用黑盒模型和两能级模型,有八个WDM光信号输入时,放大后的光谱图。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity-time integral ( VTI) of simulated blood flow measurements through an in vitro model. 目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
The simulated spectrum converges upon the given target spectrum in all three directions. 研究表明在空间三个方向上模拟风速功率谱皆收敛于目标风谱。
The test for simulating load spectrum of bridge was done, comparison of the infered load spectrum by means of the electrical resistance changes of two fatigue life gage with the simulated load spectrum showed reasonably good agreement. 进行了模拟桥梁荷载谱加载试验,用双疲劳寿命计电阻变化所推算荷载谱和模拟荷载谱基本一致,证明了方法的可行性。
Corrosion behavior of copper in a simulated rainwater of Stockholm area was studied by electrochemical impedance spectrum and polarization curves. 采用电化学动电位扫描和交流阻抗研究了铜在模拟斯德哥尔摩雨水中的腐蚀行为。
Choosing the BFEL parameters, we simulated the effects on FEL spontaneous spectrum due to field errors, and obtained the acceptable condition of all kinds of field errors in undulator. 并讨论了各种场误差对自由电子激光器自发辐射谱的影响,选择北京自由电子激光器(BFEL)参数,进行模拟,最后确定出各种场误差的可接受条件。
According to the simulated results, the power spectrum of ARMA model is more accurate than that of AR model, which is more suitable to reflect the feature of speech signal. ( 4) ARMA model is used in CELP. 由仿真可知,ARMA模型比AR模型的功率谱更加准确,更适合描述语音信号的特性。(4)将ARMA应用到CELP算法中。
Finally, this paper has studied and simulated the scheme that applies the new algorithm to cluster-based cooperative spectrum sensing. 最后研究了将新算法应用到基于簇的合作频谱感知中的方案,仿真结果表明新算法能有效提高基于簇的合作频谱感知性能。
Simulated results for white and UV LED spectrum signal using this software give corresponding optimal parameters spectra denoising. 利用该软件对白光和紫外LED的光谱信号进行去噪的仿真实验,得出了相应光谱去噪的最佳参数组合。
The performance of the proposed algorithm is simulated and verified. A cooperative spectrum sensing scheme based on two round cooperation is proposed. 提出了一种基于两轮合作的频谱感知方法。
Dynamic responses of ballastless track are simulated with German railway spectrum of low irregularity as the irregularities of rail. The simulation results are compared with the experiment results measured on comprehensive experimental section of ballastless track on Sui-Yu Railway Line. 采用德国高速低干扰谱作为轮轨激励进行无砟轨道动力学仿真计算,并与遂渝线无砟轨道综合试验段动力学测试结果对比,仿真计算结果与试验数据吻合较好,验证了模型的可靠性。
Through the radiative transfer model, a data set that is simulated accurately can be built which contains different spectrum, aerosol types, and optical thicknesses. 通过辐射传输模型,可以建立一个包含太湖不同水体光谱、不同气溶胶类型、不同光学厚度的精确的模拟数据集,用于大气校正神经网络的训练。