use curve造句
例句與造句
- According to the at minicar project of chongqing changan automobile co . ltd . , a series of researches have been carried out . base on the characteristic tests of engine and torque converter , the mathematical models are established using curve fitting
在發(fā)動機性能試驗與液力變矩器性能試驗的基礎(chǔ)上，采用曲線擬合的方法得到了發(fā)動機及液力變矩器的數(shù)學(xué)模型，并對兩者聯(lián)合工作的輸入、輸出工作特性進行了分析。 - The contents of the thesis are summarized as follows : 1 . by using curved - fitting method , calculation of local angular deflection of canvas plate is studied , with the help of cubic spine function , canvas plate is formed and then its local angular deflection is worked out . 2
本文所做的工作概括如下： 1 、運用曲面擬合方法研究帆形板局部角變形的計算方法，通過三次樣條函數(shù)建立船體帆形外板，然后計算得出帆形板的局部角變形。 - Paper [ 76 ] provides a integer algorithm for rasterizing free curves , we need change the curve form to implicit function form , then use curve ' s positive - negative property to draw , but we ca n ' t use this algorithm when curve ' s degree is higher than 3 and this algorithm ca n ' t avoid using multiplication ; paper [ 77 ] provides a new generating algorithm , this algorithm can draw bezier very well , but for b - spline curve , we need use convert them into bernstein base form . because this process spends a lot of time , this algorithm has not a good speed and effect for rendering rational b - spline curve
現(xiàn)在經(jīng)常采用的算法也是基于幾何的算法(即線式生成算法)和基于像素的算法(點式生成算法) ;文獻78 ]提供了一種有理參數(shù)曲線的快速逐點生成算法，該算法對有理b吮ier曲線的繪制，能起到很好的作用，但是對于有理b樣條曲線，必須先通過多項式的代數(shù)基與bemstein基間的變換矩陣，把原式用bemstein基表示，這一過程由于計算量大，降低了曲線生成的速度和效率 - When applying the conventional fourier pseudospectral method on cartesian grids , curved interfaces are represented in a " staircase fashion " causing spurious diffractions . it is demonstrated that these non - physical diffractions can be eliminated by using curved grids that generally follow all curved interfaces
在直角坐標(biāo)系下用傳統(tǒng)偽譜法模擬地下界面時，彎曲起伏的連續(xù)界面會因離散化而成為階梯狀界面，這種階梯狀界面在模擬波的傳播時，將產(chǎn)生人為繞射，降低合成記錄的精度。 - As the basic concept , the first step is to modeling by ug . there is different model between propeller and commonly hardware , so we must be use curve modeling , at the same time , characteristic modeling and entity modeling in the whole process . first , we apply offset data for spline fit curve , then scanner smooth curve face
首先在三維繪圖軟件ug中對螺旋槳及葉片進行三維建模,由于螺旋槳的造型不同于一般零件的cad造型,故在造型過程中同時采用了曲面造型,特征造型和實體造型幾種方法,先由型值數(shù)據(jù)生成樣條曲線,再由樣條曲線掃掠生成平滑的曲面,最后通過圓整?延伸得到螺旋槳的三維模型。 - It's difficult to find use curve in a sentence. 用use curve造句挺難的
- The author also studied ugii , interface statements and internal functions , after a development by using visual c + + 、 ug / open api , inherit functions of ugii , the functions of curve smooth , surface smooth and surfaces combination . after the tests in motorcycle reverse engineering , 1 ) the bad points can be deleted by using curve smoothing function , so the curve become more smooth
二次開發(fā)的功能在某摩托車型的反求過程中的應(yīng)用，取得了良好的效果： 1 )曲線中的壞點可以通過調(diào)用曲線光順的模塊而得到修改，曲線的光順性大大改觀。 - A obstacle diagnosing expert system of pu1 steamer fan electrical machine have been set up by using the expert system tool in the movex software and mechanical vibration frequency spectrum knowledge . for the purpose of more straight dealing with vibration frequency spectrum curve , a diagnostic knowledge disposing system is developed by using curve compare method and vc + + and matlab software
在機械設(shè)備故障診斷研究中，以pu1蒸汽風(fēng)機發(fā)電機組為研究對象，結(jié)合movex軟件開發(fā)了基于機械振動譜圖知識的故障診斷專家系統(tǒng)，同時為了更加直觀地處理譜圖曲線，另行用vc + +與matlab軟件開發(fā)一套基于曲線擬合的機械設(shè)備故障診斷知識處理系統(tǒng)。 - Through approximating the deformation space by using curve and surface offset techniques , we obtain a unified space deformation model . thus the sampling problem is solve naturally at the same time , we provide a unified kernel for the implementation of different space deformation models
通過對曲線、曲面控制變形中的變形空間進行等距逼近的方法，我們實現(xiàn)了一個一維、二維、三維控制手段的統(tǒng)一空間變形模型，這種統(tǒng)一不但自然地解決了曲線、曲面控制變形中的采樣問題，同時為實現(xiàn)各種空間變形提供了一個統(tǒng)一的數(shù)學(xué)模型。 - 2 . on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures , using curve - fitting techniques , a soil infiltration rates model was woke out , the accuracy of the model is tested by a series of experiment data , the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau . 3 . using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates
( 3 )采用土壤穩(wěn)定入滲速率、坡面開始產(chǎn)流時間、土壤濕潤鋒面下滲深度三個指標(biāo)來反映坡耕地土壤入滲影響(土壤性質(zhì)、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等)因素效用大小，建立了各因素與三個指標(biāo)的關(guān)系模型，詳細分析了不同水土保持耕作措施強化土壤入滲的影響，其中等高耕作作用最為顯著，其次是人工掏挖和人工鋤耕。