均勻路徑 的英文怎麼說

中文拼音 [jūnyúnjìng]
均勻路徑 英文
homogeneous path
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • 路徑 : 1. (道路) way; route; trajectory; path; tail; travel2. (門路) method; ways and means
  1. In the next chapter, the two dimensional fipwa especially the modified steepest decent path ( msdp ) in angular complex plane and the interpolate / extrapolate technique have been carefully studied

    接著,重點研究了二維快速非平面波演算法,對其復平面上的修正最陡下降及內插外推技術進行了深入研究。
  2. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點分佈的無線自組網的幾項基本屬性,網中鏈總數的期望值,網中節點度數分佈情況,以及網連通性與無線信號傳輸半的關系等,得出了其解析描述。
  3. The liquid encapsulated czochralski technique for growing gaas is receiveing considerable attention because it is capable of producing, at reasonable cost, large diameter semi - insulating gaas has a use in the production of gaas integrated circuits, and for this application it must have uniform properties over the whole area of a wafer cut from a grown crystal

    目前,液封直拉技術生長gaas單晶獲得了廣泛關注,因為它能夠以合理的成本生產大直的半絕緣單晶。半絕緣材料是生產集成電等微電子器件的良好材料,而這種應用就要求整個晶片具有很高的性。
  4. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播損耗特性,則為合理的微蜂窩無線網規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類:一是用沖激響應法,即根據實驗、統計所得數據建立經驗性傳播預測模型;另一種是用射線跟蹤方法,即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  5. Accordingly ray tracing model for microcells propagation prediction has become an important subject. this paper discussed the characteristic of propagation in symmetrical atmosphere on the earth, and introduced several kinds of traditional path loss propagation model in land mobile communication system, also pointed out the localization of these models based on experiential methods

    本文首先討論了在地球表面大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  6. Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found

    並以此為基礎分別制備了緻密、、平整、直為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; ( 2 )為克服現有磁控濺射設備的不足,提出了一種新的磁控濺射方案,採用該方案的設備具有:靶材利用率高、鍍膜、成膜速度快等特點; ( 3 )運用afm 、 xrd 、 sem以及雙光分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究,找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。
  7. So in one hand it requires the wafer ' s diameter to be more large in order to enhance the productivity, and on the other hand it puts forward more strict requirement about the crystal perfection and electricity character. especially the electronic character and the equality of micro - area in the crystal wafer has become the key factor to determine whether the device can be made on it or not. so the resistivity measurement of micro - area become one most important procedure in the chip machining. to ensure the produce quality of chip and the perfect performance of final production, the four - probe testing technology need to be deeply studied

    圖形日益微細化,電尺寸不斷縮小,目前ic製造以8英寸、 0 . 13 m為主,預計在2007年左右將以12英寸、 65nm為主,這一方面要求圓片直不斷增大以提高生產率,另一方面對晶體的完美性、機械及電特性也提出了更為嚴格的要求。特別是微區的電學特性及其性已經成為決定將來器件性能優劣的關鍵因素。因此,微區電阻率的測試成為晶元加工之中的重要工序。
  8. The best dosage of dispersant and disperse medium, and the best time of ultrasonic disperse. secondly, the bp neural network process parameters model which describes the relationship between the important process parameters of the preparation of superfine quartz powder and the important evaluate guidelines was built, based on experimentation data. the forecast of the important guidelines was achieved with this model

    其次,本文以試驗數據為基礎,基於bp神經網建立了球磨法制備超細石英粉體的關鍵工藝參數(轉速,時間,裝樣率,料球比)與粉體的關鍵評價指標(中值粒,粗端粒性系數)之間多目標多變量的bp網工藝參數模型,該模型的建立實現了粉石英制備的關鍵指標預測。
  9. The flow of every pump is inclined to be different in the same side - inlet sump and the poor flow pattern, and then the inlet condition of the pump is not good, which makes the efficiency of the pump drop and causes vibration etc. based on the theses on the hydraulic characteristic of the wenshui road pumping station in the third period shanghai disposal sewage project, the methods were discussed to improve the flow pattern of side - inlet sump, and the measures were put forward to ameliorate the flow pattern in the paper

    對側向進水集水池,一般會出現同池各水泵配水不,池內流態紊亂、水泵吸水條件差,繼而導致水泵效率下降、機組振動等問題。本文結合上海市污水治理三期工程汶水泵站水力特性研究課題,探討了改善側向進水集水池水力特性的途與方法,提出了有效的整流、流措施。
  10. ( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal

    ( 3 )針對採用大功率激光直接燒結鎳基高溫合金成形金屬零件存在的問題,如較大的殘余應力,製件中存在著微裂紋、微孔洞等缺陷,初步提出掃描的規劃,並採用幾種不同的掃描方式進行燒結試驗,發現採用短邊掃描和同向掃描能夠獲得更加細小和分佈的組織結構,採用短邊同向制備的試樣其顯微硬度最高,而採用變向掃描(垂直)制備的試樣緻密性最好。
  11. And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change

    結果發現:二氧化硅膠體顆粒分佈於脲醛聚合物網中,煅燒去除有機模板后微球表面變粗糙,而粒沒有明顯變化; ph值較小時,復合微球中聚合物含量較大,而ph值較大時,得到復合微球結構鬆散,因此熱處理后的二氧化硅微球孔容及平都較大,而在ph = 0 . 8時,得到最小值;武漢理工大學碩士學位論文隨著熱處理溫度的變化,小於160時,空分佈較窄,而比表面積較小,在350時,由於有機模板的去除,微球孔結構發生突變,比表面積明顯增大,而孔分佈變寬,溫度繼續升高時,二氧化硅網發生收縮,平變小而比表面積由於有機炭化物的完全去除沒有太大變化;微球中的微孔在熱處理過程中處于平衡狀態,分佈沒有太大變化。
  12. Due to the flexible process inside the manufacturing cell, first of all, production cost model is set up, secondly, based on the dynamic pheromone updating, a developed ant colony optimization algorithm is described in detail. with aim to reduce collaboration with the external partners as well as to decrease the total manufacturing cost, and to balance the production process, this algorithm ensures the

    針對單元內部工藝加工可變而具有一定柔性的情況,建立了柔性工藝線生產單元的系統耗費,給出了採用信息素動態更新策略的蟻群優化演算法步驟,以解決保證工件交貨期和保障設備生產,減少外協量為目標的作業調度問題。
  13. The fipwa based on electric integral equation ( efie ) is presented firstly, the green ’ s function expansion with sommerfeld identity ( based on bessel kernel ) is studied and the msdp for two cases is formulated. in order to improve the iteration property and avoid inner resonance, the combined field integral equation ( cfie ) fipwa is then constructed successfully

    首先研究了基於電場積分方程的快速非平面波演算法,對索末菲恆等式(基於貝塞爾積分核)展開的格林函數進行了深入研究,分兩種情形解決了修正最陡下降的設計問題。
  14. The gauss - ray tracing have the dynamic and geometric character. it can compose the record by calculating the high frequency wave in transverse anisotropic medium, avoiding getting the accurate ray path. it is a very steady and effective method with little calculation time and a good precision

    高斯射線束正演包括地震波運動學特徵和動力學特徵,能有效的計算橫向上不介質中高頻體波的合成紀錄,避開了精確求取兩點射線,大大減少了計算的時間,同時又具有較高的精度,是一個很穩健有效的方法。
  15. After analyzing a common used ant colony routing algorithm, this thesis proposed a new fast adaptive routing algorithm to overcome the drawbacks of the ant - based algorithm. the new algorithm uses network delay information directly to choose path by probability. its application will minimize the delay for an end - to - end data transmission and optimize the distribution of network resources to avoid network congestion

    演算法能夠憑借時延信息並結合網中各的利用率情況自適應的調整發送,並以概率的形式選擇,一方面盡可能地使端到端數據傳送過程時延最小化,另一方面使網流量分佈,以減少網擁塞發生的概率。
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