降矢 的英文怎麼說
中文拼音 [jiàngshǐ]
降矢
英文
furiya-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )
提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明，在編碼性能損失很小的條件下，可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage
系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。Win600 freight lift is provided with the safe and reliable microcomputer control or plc control. the traction is equipped with vvvf wector to make the start, acceleation, deceleration and stop of lift stable and confortable. zero - speed braking stop is uesd to greatly increase the leveling accuracy, reduce te noise and vibration of operation and save energy over30 % than traditional ac double - speed traction
Win600系列載貨電梯採用微機活plc控制，安全可靠，拖動系統採用vvvf矢量控制使電梯的啟動加減速停車都十分平穩舒適，停車時實行零速控制動停靠，大大提高平層精度，降低運行噪音和振動，並且節能環保，比傳統的交The website is running on the intranet and it works well. this dissertation provides a new method to manage the parts " drawings, which is applicable to not only dryland machines " parts drawings but also all kinds of machines " parts drawings
本研究為工程圖紙的電子化管理提出了一種新的方案，並利用了web技術實現了dwf格式電子圖紙數據庫存取和矢量圖形網上瀏覽，在降低用戶軟體要求的基礎上，實現圖紙的管理應用。( 4 ) the correlations are significant between the sth position index and the general circulation. in the westerly ( easterly ) year, equatorial westerly is weaker ( stronger ), cross - equatorial flow is weaker ( stronger ), south china sea summer monsoon is weaker ( stronger ), the yangtze river valley westerly is stronger ( weaker ), which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley, so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ), vice versa
（ 4 ）本文運用定義的副高指數研究了六月份副高偏東偏西年份的大型環流特徵及其對我國東部天氣的影響，風矢量場和相關場分析結果表明：副高偏西（東）年，赤道西風減弱（增強） ，越赤道氣流偏弱（增強） ，南海夏季風偏弱（強） ，而長江流域西風增強（減弱） ，有（不）利於雨帶在江淮流域維持，該地區降水偏多（少）易澇（旱） 。Win600 automobile lift has the same control system as freight lift, i. e. micromputer control or plc control, and the same tracyion system as freight lift, i. e. vvvf vector control, to make it safe, reliable, stable, comfortable, energy - saving and of high leveling precision as freight lift. the car is equipped with four or six symmetric guide rails, to solve the problem of wobbling caused by the unbalance load of car and reduce the noise of operation, the door is equipped with reliabe optical screen protction or infrared electronic protecyion, to ensure the safe entry and exit of automobile. the double - controller design inside the car gives convenience to the operation of automobile driver
Win600系列汽車電梯的控制系統與載貨電梯一樣採用微機或plc控制，拖動系統樣採用vvvf矢量控制，因此，同樣具有安全可靠平穩舒適節能環抱平層精度高的特點。轎廂採用對稱的4根活6根導軌導向，解決了轎廂裝載不平衡引起晃動的問題，降低了運行的噪音。轎門裝有高可靠的光幕保護活紅外線電眼保護，保證汽車安全的進出。As a modern design method, computer simulation technology can shorten development cycle, reduce development costs and increase ratio of success in development of a sensorless vector control system. it is an indispensable way
計算機模擬作為一種現代設計方法，在無速度傳感器矢量控制系統開發中可以縮短開發周期，降低開發成本，提高應用開發的成功率，是矢量控制系統開發中不可缺少的手段。Q vector divergence field submit piece form district of convergence and divergence, have reflected meso - scale character. in the interface of convergence district and divergence district of q vector divergence, accompany severe convection precipitation and convection precipitation strengthen following convergence center strength, weaken following divergence center weaken
在對流層低層q矢量散度輻合區和輻散區的交界處，伴隨有較大的對流性降水，對流性降水的強度隨輻合中心強度的增強而增強，隨輻合中心強度的減弱而減弱。Firstly, based on conventional vq, a fast algorithm named equal - sum block - extending nearest neighbor search ( ebnns ) is presented, which not only can achieve the reconstructed image of full search algorithm but also can greatly reduce both the codeword search ratio and chip area. in order to improve coding efficiency, a new algorithm called correlation - inheritance coding is proposed, which is embedded in conventional vq system to improve compression ratio by re - encoding the indexes
首先，在普通矢量量化基礎上提出了等和值塊擴展最近鄰快速碼字搜索演算法（ ebnns ） ，該演算法在圖像畫質達到窮盡搜索演算法的前提下，大大降低了碼字搜索率和硬體實現面積；為了提高編碼效率，在相關性編碼方面，提出了相關繼承編碼演算法，對普通矢量量化后的編碼索引進行無損重編碼。Both of the optimized methods for lsp parameters and algebraic codebooks can provide the similar performance as the standard method with less search load
對分裂矢量量化碼本搜索方式的優化和代數碼本搜索方式的優化都在不明顯降低合成語音質量的情況下有效地減少了運算量。2. the principle that cylinder misfire is diagnosed using torsional vibration harmonic analysis is illustrated by calculation of vectorsummation. calculation and experiment show : low harmonic will increase highly and main harmonic will decrease little when one cylinder is misfiring
通過對扭振激勵的相對振幅矢量和的模擬和實驗研究，得到結論如下：如果柴油機發生單缸熄火故障，扭振低諧次幅值會大幅度增加，主簡諧會略有下降。In the basis of present technology, we provide our method. with our method, we first extract several low visual feature of the image, such as color, texture etc, and then we fuze the feature into a high dimensional vector ; sencond, we analyze the vector with pca method, which reduce the dimension of the vector ; and last we use the vector to classify the image
該方法的基本思路描述如下：首先，提取圖像的多種視覺特徵（如：顏色、紋理等） ，經融合得到一個高維矢量描述；然後，對該高維矢量描述作pca （ principalcomponentsanalysis ）分析，以獲取其中的主元，降低維數；最後，以降維后的矢量描述為基礎，用於圖片的分類系統。Then, in order to reduce the coding time of each image vector, a fast algorithm based on mean - order - search is proposed. the simulation results of this algorithm show that its coding speed is twenty times faster than that of full search algorithm ( fs ), but its reconstructed image is badly ruined
其次，為減少每個矢量的編碼時間，提出一種基於均值排序碼書的快速搜索演算法，測試結果顯示，該演算法編碼速度是窮盡搜索演算法的二十多倍，但是恢復圖像的質量大大地降低了。Results of experiment b demonstrate that a convergence zone of wind vector and water vapour with dense pressure gradient is formed alone the coast after tc ' s outer circulation encountering land, which results in more precipitation
試驗b的結果顯示，熱帶氣旋外圈環流與陸地接觸後到中心登陸前後，沿海岸線一直存在一條氣壓梯度相對密集的風矢量、水汽輻合帶，引起該處降水增多。The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves
以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究The validity of auditing lies in its applying advanced concepts and models to recognize the inherent risks and adopt the specific measures accordingly so as to better control risks, inspect risks and reduce the overall auditing risks
審計有效性的關鍵是運用先進的理念和模式識別出固有風險，然後有的放矢地決定採用何種具體程序，從而才可能更好地把握控制風險、檢查風險以降低整體審計風險。So, a new algorithm is proposed in this thesis, it is proved that the new algorithm can reach satisfactory result by analysis
最後提出了一種最優旋轉矢量演算法，分析結果表明，該演算法能夠很好的克服輸入角速率信號精度會降低的缺陷。Introduce the traditional two samples rotation vector algorithm and three samples rotation vector algorithm, which fit the incremental angular condition. but, the output of fiber optic gyro is angular rate of the vehicle, the error would increase serious if use traditional algorithm
由於光纖陀螺儀輸出為角速率信號，而傳統的旋轉矢量演算法輸出為角增量信號，採用角增量提取演算法，旋轉矢量精度會大幅大降。Different from other rank reduction methods, such as pca ( principal component analysis ) and vq ( vector quantization ), nmf ( nonnegative matrix factorization ) can get nonnegative, sparse basis vectors which make possible of the concept of a parts - based representation
與pca （主分量分析）和vq （矢量量化）等降維演算法不同， nmf （非負矩陣分解）演算法能夠分解出非負的，稀疏的特徵矩陣和編碼矩陣，能夠提取原始數據向量的局部特徵，使基於局部特徵進行分類的聚類演算法更容易實現。分享友人