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- Heisenberg Uncertainty Principle in time frequency analysis plays a very important role in signal analysis, which shows the close relationship between time and frequency in Time frequency analysis . 時(shí)頻分析中的Heisenberg不確定原理在信號分析中具有重要作用和地位 ;它表明了在時(shí)頻分析中時(shí)間與頻率之間密不可分的關(guān)系 .
- Keywords blasting vibration;time and frequency analysis;rough set;FNN;prediction; 爆破振動(dòng);時(shí)頻分析;粗糙集;模糊神經(jīng)網(wǎng)絡(luò );預測;
- Specify the time and frequency with which to compile audiences. 指定搜集訪(fǎng)問(wèn)者所使用的時(shí)間和頻率。
- Keywords Arc sound Time and frequency analysis Linear prediction coding （LPC） model Radical basis function （RBF） neural network Gas metal arc welding （GMAW） Quality monitoring; 關(guān)鍵詞電弧聲;時(shí)頻分析;線(xiàn)性預測模型;徑向基函數神經(jīng)網(wǎng)絡(luò );熔化極氣體保護電弧焊;質(zhì)量監控;
- The time frequency analysis remedies the defect that short Fourier translation (SFT) has the same time resolution and frequency resolution to different frequency ranges. 該方法克服了SFT（短時(shí)Fourier變換）分析對高、低頻段具有相同的時(shí)間分辨率和頻率分辨率的缺點(diǎn)，彌補了小波變換只能粗糙地模擬基底膜帶通濾波器特性的不足。
- The application of MATLAB is described in mechanical control engineering basis teaching using concrete examples of time analysis and frequency analysis in a contrasting way. 以時(shí)域分析和頻域分析中的具體實(shí)例,通過(guò)對比的手法,說(shuō)明了MATLAB在機械控制工程基礎教學(xué)中的應用。
- As a new study, Wavelet analysis is called "the digital microscope" and applied well in time and frequency field. 小波分析是一門(mén)新興學(xué)科，被稱(chēng)為“數字顯微鏡”，它在時(shí)頻兩域具有良好的局部特性。
- The results show that the method of time-frequency analysis can be used to extract acoustic logging data for solving the practical problems related to time and frequency. 分析結果顯示，時(shí)頻分析方法應用于聲波測井信息提取可以解決時(shí)間和頻率相關(guān)的實(shí)際問(wèn)題。
- The analysis of individual segment reveals more sensitively the changes of the vibration signals in both time and frequency domain caused by gear faults. 它將振動(dòng)平均信號等距分段（所分段數與被監測齒輪齒數相等），然后對分段信號進(jìn)行頻譜分析等。
- Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced. 在對時(shí)域和頻域數據分析的基礎上,論述了旋轉失速和喘振狀態(tài)下葉片振動(dòng)響應的特征。
- As mentioned above, three parameter VFD model can characterize the viscoelasticity of solid propellant. Applied it to SRM dynamic analysis, time and frequency domain response can be calculated. 綜上所述,三參數VFD模型能夠很好的反映推進(jìn)劑的粘彈特性,將它用于固體發(fā)動(dòng)機動(dòng)力學(xué)分析,可以得到藥柱在時(shí)域和頻域內的動(dòng)態(tài)響應。
- From the radio spectrum of Weissenau in Germany, we found a corresponding burst on time and frequency. 在德國Weissenau的太陽(yáng)射電頻譜記錄上找到了對應的爆發(fā);
- Cursors give quick readouts of voltage,time and frequency with an accurancy of 1/32 div. 系統可以明顯地提高示波器的讀出性能:快速給出電壓、時(shí)間和頻率的測量值,讀出精度達1/32DIV。
- How to decrease anesthesin time and frequency is a important problem to be considered. 減少換藥次數及住院天數是一個(gè)重要問(wèn)題。
- Learning a language require time and effort. 學(xué)習一種語(yǔ)言是需要時(shí)間和精力的。
- The decorrelation caused by the time and frequency synchronization errors is presented for the first time. 基于該誤差模型,分析了時(shí)間和頻率同步誤差對干涉相位的影響,首次推導了同步誤差導致的信號去相關(guān)。
- Traditionally, the SISO channel is described by the statistics along two dimensions: time and frequency. 傳統上，單一輸入單一輸出的通道可以被兩個(gè)維度的統計特性所描述，即時(shí)域和頻域；
- You must make sure of the time and place. 你必須把時(shí)間和地點(diǎn)弄清楚。
- It realizes graphics protraction of time and frequency domain in every time period. 它實(shí)現了各個(gè)信號的時(shí)域和頻域的圖形的繪制。
- Don't waste your time and energy on trifles. 別把你的時(shí)間和精力浪費在瑣事上。
