frequency spectrum analysis造句
例句與造句
- On - line measurement and frequency spectrum analysis
在線測量頻譜分析 - Frequency spectrum analysis of impact response for plasma sprayed coatings
等離子噴涂涂層的沖擊響應(yīng)頻譜分析 - Examples of detecting and diagnosing fan trouble by frequency spectrum analysis
應(yīng)用頻譜分析法檢測診斷風(fēng)機故障實例 - The suggestions on the further research of the frequency spectrum analysis are provided
就頻譜分析的進(jìn)一步研究提出了建議。 - The simulation for signal frequency spectrum analysis based on fast fourier transforms
基于快速傅立葉變換的信號頻譜分析仿真 - It's difficult to find frequency spectrum analysis in a sentence. 用frequency spectrum analysis造句挺難的
- Application of vibration trend and frequency spectrum analysis in large size installation matintenance
振動趨勢與頻譜分析在大機組維護(hù)中的應(yīng)用 - Then the machine can directly check out the gear parts , which has transmission fault . the frequency spectrum analysis is applied to analyze measuring results
利用本系統(tǒng)能直接對齒輪傳動質(zhì)量進(jìn)行檢驗，并可利用分析技術(shù)對測量結(jié)果進(jìn)行分析。 - Through the frequency spectrum analysis of earthquake waves and the dynamic instability regions analysis , the dynamic stability of serial system can be judged under a certain earthquake wave
通過地震波的頻譜分析，結(jié)合體系的動力失穩(wěn)區(qū)間分析，可判斷在某豎向地震作用下，串聯(lián)體系并無發(fā)生失穩(wěn)的可能。 - Abstract : the definition and properties are introduced . the applications of - function in mechanics , especialy in impulse response of linear system and frequency spectrum analysis , are introduced too
文摘:介紹了-函數(shù)的定義、性質(zhì),并且介紹了-函數(shù)在機械學(xué)中的應(yīng)用,特別是線性系統(tǒng)的脈沖響應(yīng)及頻譜分析中的應(yīng)用 - The thesis analyses the signal of vibration and noise of water system in pump room through power frequency spectrum analysis and coherence analysis . meanwhile uses finite element method ( fem ) to investigate the characteristics of pipe system
論文通過功率譜分析、相干分析等方法對供水系統(tǒng)泵房內(nèi)的管道系統(tǒng)進(jìn)行振動與噪聲信號的分析，用有限元的方法分析管道系統(tǒng)的結(jié)構(gòu)特性。 - The ability of checking out flaw in the ultrasonic testing is so worse because of the noise signal . but at present , the ultrasonic signal processing methods are only frequency spectrum analyses based on fourier transform . so it is difficult to analysis the time characteristic and frequency characteristic at one time
超聲檢測信號的干擾波使檢出缺陷的能力大打折扣，而目前采用的超聲信號的處理方法還多數(shù)只是基于傅立葉變換的頻譜分析，難以把信號的時域特性和頻域特性結(jié)合起來分析，處理效果很不理想。 - The main research in this thesis can be summarized as follows : ( 1 ) the structure and features of tc620 turbo cycling compressor are introduced . its frequent faults , fault mechanism and diagnosis are also analyzed . ( 2 ) the vibration signal analysis based on fault analysis and processing are presented , including wave analysis , tarce analysis , frequency spectrum analysis etc . and connected signal transformation ideas are also described , which can be conducted in amplitude field , time field and frequency field according to different needs
本文主要包括以下內(nèi)容： ( 1 )介紹了tc620透平循環(huán)壓縮機的結(jié)構(gòu)特點，歸納總結(jié)了其常見的故障現(xiàn)象，分析了各類故障產(chǎn)生的機理和診斷方法； ( 2 )論述了基于故障分析處理的幾種常用的振動信號分析法，如波形分析、軌跡分析、頻譜分析等。 - Firstly , frequencies of each mode shape are gained through frequency spectrum analysis of time domain signals of key points . secondly , time domain signals , which correspond to structural mode shapes , are gained through band - pass filter technology . lastly , the corresponding mode shapes of each natural frequency are constructed by using time domain signals , which are processed by band - pass filter technology
該方法的基本思想是先通過對關(guān)鍵點處時域信號進(jìn)行譜分析得到結(jié)構(gòu)各階振型對應(yīng)的固有頻率，然后通過帶通濾波技術(shù)得到結(jié)構(gòu)關(guān)鍵點在每階固有頻率下對應(yīng)的時域信號，最后用濾波后時域信號構(gòu)建結(jié)構(gòu)在每階固有頻率下對應(yīng)的振型。