threshold weight 中文意思是什麼

threshold weight 解釋
閾重
  • threshold : n. 1. 門檻;入口,門口。2. 【心理學】閾限。3. 界限,限度。4. 【物理學】臨界值,閾。5. 入門,開始,開端。
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  1. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯( ba )間歇乳液聚合,制備了pba納米粒子,在11min內轉化率達到90 ,分子量達5 . 24 10 ~ 6 ,隨反應時間的延長而降低,表明超聲輻照引發乳液聚合是一個動態的復雜過程,單體的聚合和聚合物的降解同時發生。
  2. Before the bp neural net forecast fire size class, it needs a process of studying from sample data. the neural net adjusts the weight value and threshold value according to the sample so as to give the linking weight value and threshold to low the difference between output from itself and the expected value

    Bp網路在應用於預測預報之前,需要一個網路學習過程,網路根據輸入的訓練(學習)樣本進行自適應、自組織,確定各神經元的連接權w和閾值。
  3. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的鏈路權重函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  4. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積指數降低,以拔節期受到影響最大;玉米產量與生物量呈顯著正相關關系,產量與根重無顯著正相關關系;水氮耦合效應顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會加劇土壤乾旱和作物乾旱,水和鉀耦合效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是氮效應和鉀效應。
  5. Using an analytic method, we show the ewma weight of friday, i. e. w, can be handled to control the threshold of regarding a bursty traffic as the most aggressive flow

    本文用解析方法證明, fm ay的a加權系數w可用於控制突發業務成為最高速流的容限。
  6. Applying algorithms of double levels of frequency and weight, the accurate parameter of syndrome differentiation could be gotten, with algorithms of the additional weight and floating threshold, the accurate syndrome differentiation would come true

    採用雙層頻權剪叉演算法,可獲得準確的辨證系數;用加權求和浮動閾值運算進行判斷,能實現準確的辨證。
  7. Thirdly, the weight and threshold of bp neural network model was optimized by genetic algorithm ( ga ), which has stronger macroscopic search and global optimization property, based on bp network model of the preparation of superfine quartz powder. this model is named ga - bp, and improves the generalization capability and the parameters forecast precision of bp network model, and was proved to be correct by both theoretical analysis and experiment

    再次,本文以粉石英制備的bp網路模型為基礎,利用遺傳演算法( ga )較強的宏觀搜索能力和良好的全局優化性能,對bp網路模型的權值和閾值進行優化,極大地提高了bp網路模型的泛化性能和參數預測精度,將經過ga優化后的bp網路模型簡稱為ga - bp網路模型。
  8. Design the weight and threshold of artificial neural network based on the genetic algorithm

    利用遺傳演算法輔助設計人工神經網路的權值和域值
  9. The system period is determined by weighted fusion result of all sensors periods with precision as weight and a index function is designed to evaluate the deviation of system period. when the index exceeds the given threshold, the algorithm adjusts the system period to track the data interval of all passive sensors

    系統周期由各站點的周期按其觀測精度加權來確定,並設計指標函數來評估系統周期的偏差,超過給定的閾值時重新調整周期,能夠及時跟蹤各單站的數據間隔變化。
  10. A new image sampling method and a device for transmission flow measuring are provided, and an edge detection method based on the semantic weight and threshold selection tactics based on the vision model are used to extract the contour, calculate the area and volume within a short time span

    設計了一種新型的用於傳輸流量檢測的圖像採集方法和裝置,並利用基於語義權值的邊緣提取方法和基於視覺模型的閾值選擇策略進行傳輸帶上物質的截面輪廓線提取,計算物質截面面積和較短時間內的流量體積。
  11. Minimum threshold - 5 kg to the first country, 1kg each for other country in the same posting maximum weight limits - 2kg per item, 5kg for books

    投寄重量最低限制于同一次投寄中,寄往其中一個國家的郵件重量不可少於5千克,而寄往其餘每一個國家亦不可少於1千克
  12. Minimum threshold - 5 kg to the first destination, 1kg each for other destinations in the same posting maximum weight limits - 2kg per item, 5kg for books

    投寄重量最低限制于同一次投寄中,寄往其中一個目的地不可少於5千克,而寄往其餘每一個目的地亦不可少於1千克
  13. ( 2 ) combining secondary genetic algorithm with back - propagation network, the thesis redacts genetic neural network procedure, which optimizes number of hidden node and weight value and threshold value simultaneously. the procedure overcomes blindness during search, avoids falling into localminimum and increases learning accuracy

    ( 2 )編寫了遺傳神經網路ga - bp程序,採用二級遺傳演算法與bp演算法相結合,同時優化網路隱層節點數和權值、閾值,既克服了尋優過程的盲目性,又避免陷入局部極小,提高了網路的學習精度。
  14. ( 9 ) a method, which combines the neural network and the genetic algorithms, is advanced. it uses the genetic algorithms to improve the weight and threshold of the neural network first

    ( 9 )提出了以遺傳演算法對神經網路的權值和閾值進行優化並用神經網路細調的多故障診斷方法。
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