徑向時基 的英文怎麼說
中文拼音 [jìngxiàngshíjī]
徑向時基
英文
radial time base-
In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。Third, based on the non - linearity feature of the system, the lmf algorithm is given by using the non - linearity least square optimal method. the simulating results show that the accuracy of the algorithm approaches the cramer - rao - bound. finally, the radial based function network localization algorithm is present for bistatic sonar
為了克服lmf演算法在進行迭代時依賴于初始值的缺點，根據人工神經網路在求解非線性問題方面的特點，提出了用徑向基函數網路方法來進行雙基地聲吶定位的優化演算法。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved
基於粘性流體力學，以功率損失最小為目標，首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究，建立了泄漏模型，分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型；同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙，並在此基礎上進行了數值計算。To verify the effectiveness of the proposed hybrid fnn, this thesis addressed the estimation problem for the frozen point of light cyclic oil in a fluidized catalytic cracking unit ( fccu ) in a refinery. based on the sample data collected from the industrial unit, we built a soft sensor model by using an above hybrid fnn
最後，針對某煉油廠催化裂化裝置主分餾塔輕柴油凝固點的軟測量估計問題，本文基於工業現場所採集的樣本數據，建立了混合結構神經網路模型，並討論該模型的在線自學習問題，同時與多層前向bp網路、徑向基函數rbf網路模型進行了比較。Forecasting method of chaotic time series based on rbf
基於徑向基函數的海雜波時間序列預測方法Proposed an improved algorithm for traditional radial basis functions used in image morphing technology. based on polynomial, the new basis function is continuous at subsections junctions, and introduced the direction - correlating control function. this algorithm keeps the boundaries of local morphed image subtle, and gets rid of some unreasonable warping resulted from isotropy with traditional radial basis functions. experimental results show that good local morphing results can be achieved
針對傳統的圖像變形技術中所採用的徑向基函數，應用在局部變形中的不足提出了一種改進方法:構造了基於多項式的分段連續基函數，並在此基礎上引入了與方向相關的控制參數.該方法在圖像局部變形的邊界處具有光滑的過渡，同時克服了傳統徑向基函數的各項同性所導致的不合理變形現象.實驗表明，該方法具有良好的局部變形效果The end face harmonic gear drive of oscillating teeth contains the advantages of the common harmonic gear drive and the oscillating teeth drive, and it belongs to the three dimensional space oscillating teeth gear drive. the new kind of transmission theory introduced in this article has been applied for patent ( the application number is 200410012992. 6 ) some fundamental theory of the end face harmonic gear drive of oscillating teeth is investigated in this paper, which can benefit the design of the product and the popularization of the patent
這種新型的傳動裝置屬于空間的活齒傳動機構，可以從根本上克服傳統的徑向諧波齒輪傳動中柔輪的變形與其承載能力之間的矛盾，並可增加同時嚙合的齒數，加大齒輪的模數，從而可以在保留徑向諧波齒輪傳動所有優點的基礎上，使其所傳遞的功率增加數十倍。The learning process of rbf network is much faster and easier than that of bp network, and not existing local minimum areas
徑向基函數神經網路的訓練時間遠小於反向傳播神經網路，且不存在局部極小問題。Then, a kind of wnn based on single - scaling multidimensional wavelet frames and its matching pursuit algorithm is introduced. it is applied to approximate the nonlinear terms with lipschitz property of nonlinear systems to establish the adaptive state observer. the robust fault detection is realized by the observer, demonstrating the predominant performance of the wnn
然後利用一種基於單尺度小波框架的小波網路，逼近一類滿足lipschitz條件的非線性系統的非線性項，構造自適應狀態觀測器，實現了系統的魯棒故障檢測，同時採用徑向基神經網路進行殘差處理，實現了故障預報。Abstract : based on the principle that the radical force of each roller should be equal roughly during the stagger spinning process, matching relationships among reductions of rollers on slope are defined after considering fully various influence factors of radical force. then locus equation of each roller is defined by using geometry relationship
文摘:基於錯距旋壓過程中各旋輪的徑向力大致相等的原則，在充分考慮了影響徑向旋壓力的各因素后，確定了處于斜坡時各旋輪的壓下量之間的匹配關系，進而利用幾何關系分別求得各旋輪的運動軌跡方程。Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory
本論文通過對計算機技術、控制理論、人工智慧技術和設施農業領域知識等相關理論的研究，結合對特定溫室蔬菜生長的研究與機理分析，提出了一種基於rbf神經網路的營養液多傳感器數據融合（ msdf ）系統，實現對營養液組分： no _ 3 ~ - 、 cl ~ - 、 ca ~ （ 2 + ） 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測；對于由於目前傳感器製造工藝的限制而不能在線檢測的離子成分如磷酸根和硫酸根，提出了一種基於徑向基函數網路的軟測量機制，可以有效地實現對營養液中磷酸根和硫酸根成分的實時檢測；為了提高軟測量結果的可信度，利用d - s證據理論的不確定推理能力和合成公式，結合領域知識對軟測量結果進行可信度分析。3. based on the dynamic response of all damage cases, it discusses the indexes including frequencies, modal curvatures and their compounded index used in rbf networks. it is found that the method can identify the location and severity of the damage accurately and effectively and the compounded index is better than others
3 .根據簡支工字鋼梁各損傷工況下的動力特性，分別研究了將頻率變化率、模態曲率變化及其組合參數作為徑向基網路的輸入指標時進行結構損傷識別的效果，發現基於徑向基網路的梁式結構損傷識別方法能夠正確識別損傷，且組合參數作為輸入指標時的識別效果更好。Taking 1951 ~ 2000 monthly rainfall data in the zhanjiang area as the time series and using the gaussian radial base function and a delayed input window chosen at 6, a new intelligent forecast system is developed based on radio basic function neural network ( rbfnn ) to predict monthly rainfall from 1991 to 2003
摘要以湛江地區50年來的月降水量為時間序列，利用高斯徑向基函數，選擇輸入窗口（時滯）大小為6 ，建立了一種智能型的徑向基函數神經網路預測系統，並分別對1991 ~ 2000年和2001 ~ 2003年的月降水量進行了測試預報和獨立樣本預測。In this thesis the author developed a method for measuring the axial and radial deformation in triaxial test by analyzing the digital image from area ccd and correcting the errors. this method is more accurate and more convennient than traditioanal techniques, and can be used to deformation measurement for unsaturated soil specimn directely
其基本原理是利用ccd圖像傳感器獲取土樣圖像信息，經圖像板採集、 a d轉換和預處理後送入計算機進行數字圖像處理，求出土樣在不同時間的徑向寬度和軸向高度數據，並經過系統誤差的修正，從而精確得出土樣的變形量。It can be concluded that the performance differences between the plate membrane and the hollow fiber membrane can be attribute to difference of the stresses in the membranes when they were under pressure and the difference of the strain caused in the membrane, besides the possible reason that the surface curvature difference between a plate substrate and a hollow fiber one may cause structure difference in the dense functional layer when coating. the stresses in a hollow fiber composite membrane under an outside pressure are quite different from that in a plate one in that they exert on the hollow fiber in both the radial and circular directions, and the compress strain of the hollow fiber is thus much more complex, which may cause the top layer crinkle and a decreased salt rejection
分析認為造成平板復合膜（ ）和中空纖維復合膜（ ）性能差異的主要原因，除了平板基膜與中空纖維基膜因表面曲率不同可能引起在塗覆時形成的緻密功能層結構上的差異之外，由於中空纖維膜受外壓時，膜內部承受的應力形式與平板膜不同，會同時在徑向（膜厚度方向）和環向（膜面內方向）兩個方向產生壓應力，因此，所發生的形變也較為復雜，可能造成表面復合層的起皺或脫落，引起脫鹽率下降。Aiming at the control feature of large ship, the authors designed a 2 - rank derivative multi - step neural network predictive model and the algorithm of the large delay ship ' s course, and presented a fuzzy control autopilot scheme based on the model with rbf neural network and fcmac controller, it solved problems of model online identification and controller online design in traditional adaptive control, so that the high precision output follow - up control of large ship with large delay and uncertain nonlinear features can be realized
摘要針對大型船舶控制特性，設計了船舶航向的神經網路二階導數多步預測模型及其辨識和預測演算法，提出基於徑向基函數神經網路多步預測模型和模糊小腦模型關節神經網路控制器的大時滯船舶航向模糊控制自動舵方案，解決傳統自適應控制中模型的在線辨識和控制器的在線設計問題，以達到對具有大時滯、不確定非線性特性的大型船舶實現高精度輸出跟蹤控制。Radial transit time oscillator ( rtto ) is a promising novel high power microwave source based on the radial transit - time effect. it can operate under the condition of low impedance and without external guiding magnetic fields
徑向渡越時間振蕩器（ radialtransittimeoscillator ，簡稱rtto ）是一種前景光明的基於徑向渡越時間效應的新型高功率微波源，能在低阻抗、無外加磁場條件下工作。The difference between bp networks and radial basis function networks is pointed out, and we discuss the decision of two important parameters of radial basis function networks. also, we improved on hcm algorithm which is often used to forecast by combining input vector with output vector and getting extended vector when we decide key parameter of radial basis function networks - - - - center vector
文中指出了bp網路與徑向基函數網路的區別，討論了徑向基函數網路的兩個重要參數的設定。在確定徑向基函數網路的關鍵參數? ?中心向量時，通過結合輸入輸出向量得到擴展向量的方式改進了徑向基函數網路用於預測中常用的hcm演算法。Jm6tq is developed in foundation of jm6t, its adopted the advanced radial technology, the motion path of riveting - head resembles 11 pieces plum blossom s shapes. the ascend and descend of power head by screw pole and it can control the rough adjust effectively, and micro - adjust by screw cap of power head, the center hole of bench are coaxial with the spindle, and it put the holder available, and added the aerosol lubricate system in the air current it has the function of filter
Jm6tq氣動是在jm6t基礎上發展而來的氣動z中小型徑向臺式鉚接機，除應用有國際先進的11瓣梅花徑向鉚接技術外，該機應用有國際先進的徑向鉚接技術外，同時採用絲桿升降式工作頭，臺面具有夾具梯形槽，工作臺中心孔徑與主軸軸線同軸，可用於夾具定位。分享友人