梯度識別 的英文怎麼說

中文拼音 [zhìbié]
梯度識別 英文
gradient identification
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 識Ⅰ動詞[書面語] (記) remember; commit to memory Ⅱ名詞1. [書面語] (記號) mark; sign 2. (姓氏) a surname
  • : 別動詞[方言] (改變) change (sb. 's opinion)
  • 識別 : 1 (辯別; 辯認) discriminate; distinguish; discern; tell the difference; spot 2 [計算機] identif...
  1. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中,採用了產生式知表達和正向推理機制;在基於神經網路的故障診斷方法中,則分採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  2. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒圖像的特點,採用非線性對比增強處理改善顆粒顯微圖像的對比;對多種閾值分割方法進行比較,分析了它們的性能和用於粒圖像的適用性,在此基礎上提出了一種基於圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒進行了測量。
  3. Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change

    本文就目前天然氣水合物調查中存在的這些特殊技術問題,通過對海上高精磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋,成功地嘗試了用高精海洋磁測成果中的磁力總場和變化特徵來水合物勘探中高解析地震剖面上的泥底辟構造真偽的技術方法。
  4. Dealing with faces illumination variation based on dynamic directional gradient vector flow snake and gamma algorithm a new dynamic directional gradient vector flow snake ddgvf snake algorithm was presented which can detect the image shadow and highlight contours of the unknown face images. according to the given standard face database, the image gray median could be c.

    使用一種動態方向矢量流snake ddgvf snake演算法來檢測未知圖像的陰影和高光區域,根據已知的標準人臉圖像庫中圖像的灰分佈,計算出灰中值,然後採用加權非線性gamma灰矯正演算法來歸一化待圖像的光照變化,使之與已知的標準庫中的圖像灰一致。
  5. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式原理與方法,並用實例說明了該方法的應用效果。
  6. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣法收斂性,用內積空間的有關知對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬原則和模糊中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  7. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺環流背景進行分析,形成對高原暴雨的整體認,並為以後的數值模擬提供大尺環流背景及依據,分析中發現: 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響,年降水量和大到暴雨次數自東向西呈階性遞減趨勢,分在高原東北部的外流河谷地區和四川北部地區存在大值中心。
  8. Based on fuzzy logic, an effective algorithm of edge connection is proposed. simulation result shows our approach can highly improve the connectivity of the extracted image boundaries without distortion. this work lays foundations of target detection, tracking, and recognition for photoelectric tracker and imaging radar

    通過理論分析及模擬結果證明,本文提出的參數自學習統計的方法和基於模糊判決的邊緣連接方法能夠有效地提取邊緣點進行邊緣連接,能夠在保持原有圖像不失真的情況下,較大地提高圖像邊界的連通性,為光電跟蹤器和成像雷達的目標檢測、跟蹤和等提供良好的基礎。
  9. On the basis of the study of edge detection algorithms, a zone binary method is presented. the preprocessing methods of grating image are studied, and the 3d object surface data is reconstructed

    在對模板圖象進行處理時,在研究各種邊緣檢測演算法的基礎上提出了區域二值法的概念,用局部區域的閾值進行二值化,結合運算元實現被測物體邊緣的自動
  10. In this study, pichia pastoris system had been utilized for expression of fmdv 2c3abc gene which aimed for establishing a sensitive and specific molecular dignosis method. first, 2c and 3abc genes were amplified individually from p2 and 3abc postive clones and ligated together using pcr method, then this 2c3abc product was cloned into pgem - t easy vector and transformed e. coli dh5a competent cell. a postive recombinant plasmid which contained whole 2c3abc gene had been confirmed by pcr, enzyme digestion and sequencing. after that, the 2c3abc gene was sub - cloned into ppiczaa expression vector and transformed e. coli dh5 a competent cell and selected by zeocin ? antibiotic. the postive recombinant expression vector was linerized and electro - transformed pichia pastoris smd1168 competent cell. a recombinant pichia pastoris had been obtained by zeocin ? antibiotics selection and induced with 0. 5 % methanol for target protein expression. the expression product was analysised by sds - page and western blotting assay. the result sh owed that 2c3abc gene was expressed successfully in pichia pastoris and the product was a 95ku fusion protein which could be recognized by anti - fmdv serum. the amount of target protein was over 15 % of the total bacteria protein by gel thin layer scanning analysis. this research had supplied materials for establishing a fmd diagnosis method to differentiate infected animals from vaccinated animals

    首先,用p2和3abc陽性克隆通過連接pcr方法獲得目的基因並將其克隆到pgem - teasy載體上,並轉化e colidh5a感受態細胞中,經pcr 、酶切以及測序證明得到了完整的2c3abc基因,並與國內外參考序列進行比較分析。然後,將目的基因亞克隆于ppiczaa表達載體並轉化大腸桿菌dh5a ,以zeocin ~ ( tm )抗性篩選陽性克隆,大量提取重組表達質粒並用pme酶線性化后電轉化入畢赤酵母smd1168感受態細胞,通過zeocin ~ ( tm )抗生素篩選,獲得重組酵母用0 . 5甲醇誘導表達,通過sds - page電泳、 westernblotting分析,結果表明, 2c3abc基因在畢赤酵母中成功表達,其表達產物為一95ku的融合蛋白,並能被口蹄疫病毒陽性血清
  11. Firstly, the identification of the double medium system is considered, the existence, the uniqueness and the boundness of the solution of the system of the partial differential equations are proved by using the monotone method, the mathematical model of the parameter identification problem is established, and under some mild assumptions, the optimality system about the identification is derived, thus the suitable gradient methods can be employed to solving the identification problem. secondly, the theories of optimal control of distributed parameter system are introduced to investigate the parameters identification problem involving the three - dimensional population system

    利用單調方法證明了正問題解的存在惟一性和有界性,建立了相應參數問題的數學模型,並給出了求解這類問題的最優化系,從而可利用適當的法,實現對系統參數的;把分佈參數系統最優控制理論引入到具有多個參數的三維種群生態系統的參數問題之中,給出了參數問題最優解的存在性結論,證明了狀態方程的解對參數的連續依賴性和g (
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