換算的變數 的英文怎麼說
中文拼音 [huànsuàndebiànshǔ]
換算的變數
英文
scaled variable- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 的 : 4次方是 The fourth power of 2 is direction
- 數 : 數副詞(屢次) frequently; repeatedly
- 換算 : [數學] matrixing; scaler; conversion; convert; translation換算表 conversion table; equivalent tab...
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In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last
通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後,將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後,確定計算的三維坐標點的連接順序和拓撲模型,利用opengl進行等溫面的繪制、消隱和模式變換等工作。Dsp chip is especially fit for digital signal processing, its main application is realizing all kinds of digital siginal processing arithmetics such as clove hitch 、 correlation 、 all kinds of transforms etc. realizing digital filters with dsp is an important application
Dsp晶元是一種特別適合於進行數字信號處理運算的微處理器,其主要應用是實時快速的實現各種數字信號處理演算法,如卷積、相關以及各種變換等。其中,利用dsp來實現數字濾波器就是很重要的一種應用。Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據空間齊次坐標的變換模型,推導出多軸數控加工的後置處理演算法;通過五軸數控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表面,銑磨精度穩定在8 m之內。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。So the model is more integral and accurate in describing the performance of heat and mass transfer in the adsorbent bed than the traditional mathematical model. 4. pens ( perturbational exponential numerical scheme ) is adopted to ensure the successful solving of the mathematical model and the reliability of results
採用攝動精確數值解格式( pens )來求解數學模型中的主要控制方程,並且考慮到控制方程的非定常性,對原pens格式進行了非定常變換,保證了數學模型計算的成功和結果的可靠性。First, employing ordinary butterfly operations formula in fft, lifting matrixes has been got and fft transform that maps plural integer to plural integer has been achieved
首先,通過fft中的一般蝶形運算公式,構造提升矩陣,實現fft的復整數到復整數的變換。Then, according to characteristic of four kinds of butterfly operation in real number signal integer fft transform keeping modulus conjugating with symmetry, different lifting matrixes has been got and real number signal integer fft transform keeping modulus conjugating with symmetry can been achieved
然後,根據實信號保持共軛對稱性的fft整數變換中的四類蝶形運算特點分別構造不同的提升矩陣,從而實現實信號保持共軛對稱性的fft整數變換。In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光信號為電信號,用通用計算機控制採集並處理光譜數據。The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )
軟體的處理功能包括:數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析;基於短時傅立葉變換( stft )的聯合時頻分析等。Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model
在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。With the presentation of digital computation of fractional fourier transform, it has begun to apply to electric signal processing
后來分數階fourier變換的離散化方法的提出,以及其快速計算的實現,分數階fourier變換才有了在電信號處理中的應用。Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed
本文提出的z變換增強fasf演算法能有效的減小模糊值搜索空間,提高整周模糊值解算的速度和實時性;整周模糊值確定后,需要對整周模糊值的可靠性進行分析,本文提出的比率檢測演算法能有效的減少整周模糊值錯誤確定后整周模糊值二次解算所需要的時間;為了進一步減少整周模糊值解算所需的歷元數目,本文提出把基線長度先驗信息作為觀測量進行卡爾曼濾波輔助整周模糊值求解。And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces
於是,在再生核空間中,利用積分運算元建立了空間與hilbert空間的等距同構關系;並且從haar小波出發,由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波,使得再生核空間可以由小波空間來刻劃;從而對空間中的函數,給出了小波逼近具體表達式和相應的采樣公式,形式簡單易於數值分析。The paper analyses the advantages and disadvantages of a large number of harmonic analysis methods and puts forward to a new algorithm in order to improve precision of fft, which is plural list and interpolating windowed split - radix fft ( srfft ). the simulating result shows that the algorithm can meet precision of harmonic parameters
為了提高fft的精度,本文在分析目前國內外各種諧波分析及測量方法利弊的基礎上,提出了利用復序列加窗插值分裂基快速傅立葉變換( srfft ) 。該演算法能極大地提高fft計算的精度,從而滿足諧波測量中對諧波參數的精度要求。The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice
之後測量了雲南天文臺激光的橫向能量分佈,根據相關定義確定了這束非高斯非球面激光的參數,應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化,並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。Since two patches are used, it can detect the embedded watermarks without the original host images, which makes it a blind watermarking algorithm. finally, the paper shows the further research direction in audio digital watermarking
最後,藉助圖像數字水印中的patchwork演算法思想,提出了一種用於dct變換域的音頻數字水印方案,該技術利用兩個樣值的平均值和方差實現了水印信息的盲檢測。- ii - finally, the paper calculates both main and control circuits ? parameters ~ n detail, and presents the process of flyhack design
論文最後詳細計算了主電路和控制電路參數,以及反激變換器的設計過程。On the basis of utilizing geometric conversion and modification principle of spur and helical gears, the mathematical model for geometric parameters and modification of overlapping coefficients of gear was established, and the calculation method of sliding frictional coefficients under elasto - hydrodynamic lubrication state was introduced, thus let the calculation method of meshing efficiency of gears be more coinciding with the practical application
在運用直、斜齒輪幾何換算和變位原理的基礎上,建立齒輪的幾何參數和重迭系數修正的數學模型,介紹了彈流潤清狀態滑動摩擦因數的計算方法,從而使齒輪嚙合效率計算方法與實際應用更吻合。Based on the previous and through the uniaxial tension damage experiment and comparing to the uniaxial compression damage experiment, the paper makes research on the anisotropism of the damage and the difference of the damage between the uniaxial tension and the uniaxial compression, combining with orthogonal anistropic damage model and exponent function damage developing equation. through the formulae deduction, the damages caused by the same absolute value tension and compression strain have the comparing character in some extent and corresponding decay coefficient
本文在前人研究的基礎上,通過單軸拉伸損傷試驗,及其與單軸壓縮損傷試驗的比較,進一步結合正交異性損傷模型與指數函數損傷演變方程,對混凝土體中損傷的各向異性以及單軸拉伸和單軸壓縮情況下損傷的差異性進行了研究探討,經過公式推導,提出絕對值相等的拉、壓應變產生的損傷具有一定的可比性,並給出了進行可比性換算的折減系數。分享友人