功率谱方法,power spectrum method
1)power spectrum method功率谱方法
1.Using the proposed spatial coherence model,the analytical expressions of combination coefficients are deduced for power spectrum methods and response spectrum methods under multi-support seismic excitations.本文模型与计算方法使多点地震激励下结构响应的计算时间减低至积分方法的1/20以下,使多点地震反应谱方法和多点地震功率谱方法在计算时间方面实用化。
英文短句/例句

1.A Periodicity Analysis of the Light Variability of BL Lacertae Object PKS 0735+178 by Using Power Spectrum Method;用功率谱方法分析PKS0735+178的光变性质
2.Power spectral density method for impact evaluation of viaduct traffic in surrounding environment高架道路交通荷载对环境影响的功率谱方法
3.The Research of Welch Method in Estimate of Power Spectram;功率谱估计的Welch方法中的窗函数研究
4.Parameters Determination in Welch Estimation of Power SpectrumWelch功率谱估计方法的参数选择
5.An energy analysis method for blast-induced seismic based on power spectrum基于功率谱的爆破地震能量分析方法
6.Identification of EMG Signal Based on the Histogram and Power Spectrum基于直方图和功率谱比值的肌电信号识别方法
7.Road irregularity, as a stationary stochastic process, is generally illustrated by power spectral density (PSD) in frequency domain.道路随机过程通用的描述方法为频域的功率谱密度函数方法。
8.Power spectral density method of defects on optical elements of high-power laser facility and its equivalent algorithm高功率固体激光装置光学元件“缺陷”分布的功率谱密度方法及等效求法
9.Analysis of the EEG information of rats epileptic model using power spectrum运用功率谱的方法分析大鼠癫痫模型的脑电信息
10.New Damage Detection Mechanism of Structural Silicone Sealant in Hidden Frame Supported Glass Curtain Wall Based on Power Spectrum;基于功率谱的全隐框玻璃幕墙结构胶损伤检测方法
11.Comparison of Ultra-Precision Machined Surface Roughness Measurement Methods and Power Spectral Density Characterization超精密加工表面粗糙度测量方法对比及功率谱密度评价
12.Application of Power Spectrum Estimation Method in SR Motor Torque Ripple Control功率谱估计方法在SR电机转矩脉动控制中的应用
13.A Large Power Interference Suppression Method Based on an Adaptive Spectral Line Separation一种基于自适应谱线分离的大功率抑制干扰方法
14.Joint Transform Correlation for Target Recognition Based on Ternary-valued Power Spectrum基于功率谱三值化的联合变换相关目标识别方法
15.New damage detection method of structural silicone sealant in hidden frame supported glass curtain wall based on FFT power spectrum一种基于FFT功率谱的全隐框玻璃幕墙结构胶脱粘长度检测方法
16.Discussion on Aerodynamic Admittance of Flat Double-Girder Bridge Decks through Cross-Correlation Spectrum Recognition扁平双边肋主梁桥梁断面气动导纳互功率谱识别方法探讨
17.Study on Seismic Design of Single Slanted Pylon Cable-stayed Bridge With Stochastic Vibration Analysis and Response Spectrum Analysis Methods独斜塔斜拉桥抗震的功率谱法与反应谱法分析
18.The Simulation of Linear Power Spectrum Estimate Based on MATLAB;基于MATLAB的线性法功率谱估计仿真
相关短句/例句

cross-spectrum method互功率谱方法
1.in this paper is introduced a way for measurement of moment output power and electrical input power of moment actuators by means of the cross-spectrum method,with some of the results thus obtained.本文介绍了利用互功率谱方法测量力矩激振器的力矩输出功率和输入功率的方法和结果。
3)power spectrum method功率谱法
4)Cubic power spectrum立方功率谱
1.By means of making an AR model of the random process, a simulation method for coherent Gauss random process with cubic power spectrum based on modern signal theory is put forward in this paper by using Levis on-Durbin algorithm and MDL rule and compared with existing spectral estimation methods.立方功率谱是目前国际上普遍采用的地杂波功率谱模型。
5)the cross-power-spectral method互功率谱法
6)power spectral subtraction功率谱减法
1.First,using power spectral subtraction to lowen noise,then directly computing the distance of linear prediction cepstral coefficients relative to origin,and judge it according to threshold that decided beforehand.首先用加权功率谱减法降噪,然后直接计算各帧的倒谱系数相对于原点的距离,再根据预设的判决门限进行判决。
延伸阅读

大功率试验方法大功率试验方法high power testing methods 2所示. 当合闸断路器合上后,在辅助断路器和被试断路器中流过工频电流11,在‘,过零前几百微秒的瞬间,通 图2卡普兰双频回路原理接线图 (a)原理接线,(b)电流波形过点火装!引人电压回路,电流i:与辅助断路器中的电流i,亚加,使辅助断路器中电流的灭弧瞬间超前于被试断路器中电流过零瞬间,从而使被试断路器承受的瞬态恢复电压处于电压源和电流源相申联的回路中,该恢复电压值为“2+ul。电流波形的特点是有一个曲折点,如电流11与九相交在八过零前300时,电流曲折率不超过13%,这一点是该回路维持其等价性的重要条件。卡普兰双频回路的试验控制及测t等要求与魏尔合成回路相同。 电压引入法合成回路电压回路在电流过零点后引人被试断路器的合成回路,它又分为并联电压引人(电压回路与被试断路器并联)和申联电压引人(电压回路与辅助断路器并联)两类。弧压降的被试品,包括近区故障试验。国际电工委员会IEC427出版物《高压交流断路器合成试验》标准中,也将魏尔合成回路推荐为标准试验回路,并得到公认,它与直接试验等价,是型式试验的主要手段。魏尔合成回路的基本工作原理是在开断过程的相互作用阶段中,电压回路向被试断路器提供引人电流,引人电流频率最好是500H:左右,下限为25OH:,上限为l000H:。其回路原理接线如图1所示。┌──┐│目] ││{ │└──┘ 图1魏尔合成回路原理接线图 (a)原理接线,(b)电流波形 当合闸断路器合上后,被试断路器中电流(i:)过零前约几百微秒的瞬间,通过点火装置引人电压回路,其电流(i:)亚加在工频电流(i:)上.由于辅助断路器与被试断路器同时分闸,辅助断路器中的电流(i,)先于被试断路器中的电流(i1十12)过零,辅助断路器中电流先熄弧,将电流源切除并隔离。当被试断路器中电流(i2)过零后熄弧,即处于电压源回路中,施加瞬态恢复电压。被试断路器中电流波形的特点是有两个…_____‘._,‘~,J~di r di,r~一圈劝点,饭四姗的等价余仟足不」,_。一丽J:_。,“,甩流回路电流过零斜率与电压回路电流过零斜率相等。G为电流源,电感L,用来调节i,,C:、LZ分别为电压源电容和电感,决定电压回路频率和工频恢复电压值,R。、C。用来调节瞬态恢复电压频率及振幅系数(两参数法).由于电流回路和电压回路参数是各自独立的,该回路的参数计算、选择较容易,试验成功率高,等价性好。 (2)卡普兰双频回路。一种串联电流引人的合成回路,由苏联电器工厂的卡普兰工程师提出。