directional field 中文意思是什麼

directional field 解釋
方向場
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. Used perturbed method and making inexact generalized gradient projection with cone, perturbed generalized gradient projection method is proposed. the field of the algorithm is extended. numerical experiments show that the method is effective. secondly, using the trust region form and the pseudo - directional derivative of minimax problem, we propose the trust region form of minimax problem

    對信賴域法作了進一步的研究，藉助minimax問題的偽方向導數，構造出其信賴域二次模型，並結合非單調策略，給出求解minimax問題的簡單易行的信賴域演算法。
  2. The dodecahedron ( 12 sided ) shaped object you see actually consists of 12 speakers which allow for non - directional 360 degree sound field

    你看到的這個擁有十二面體形狀的東西實際上由12個揚聲器組成，可以製造360度的無方向性聲場。
  3. By virtue of couplings to these background fields, the motions and interactions of particles acquire a directional dependence, like charged particles moving in an electric or a magnetic field

    藉由與背景場耦合，粒子的運動及交互作用與方向有關，就像帶電粒子在電場或磁場中運動一樣。
  4. Thus the field patterns can help us to design devices especially design cpw directional couplers

    因此場結構有助於器件的設計，特別是對于共面波導定向耦合器的設計。
  5. We first realize the classical fingerprint classification algorithm based on directional field and analyze the experiment data

    我們首先研究和實現了目前較為常用的基於方向場計算的指紋分類演算法，並結合實際指紋給出了實驗及其分析。
  6. Additionally the oldest patient cured 92, and youngest, 6 years old epilepsy. the director, duan guangyuan, graduated from shanghai military medicine university with years of clinical experience in three - dimensional directional irradiation therapy ; deputy director and vice chief physician luo guanghua, engaged in neurosurgery field and with rich experience, published lots of articles at key national journals. the center retains 4 experts : professor zhang zhenjun from beijing recovery center imaging branch, professor liao xiaoping, director of internal nerve and vice president of hainan provincial hospital ; professor zhu guangyi, pundit of facial feature in hainan province and associate professor chen xianzhao, an expert in irradiation field in hainan province

    該中心成立於1999年6月，聘請神經外科耳鼻喉科放療科等科室專家來中心坐診，臨床治療由一批經驗豐富的副高以上職稱的神經外科醫生擔任，開業以來共收治患者數千例，治療病種多達20餘種，其中病人最大年92歲垂體瘤，最小年1 . 2歲鼻咽部血管纖維瘤，通過對治療后的病人隨訪，發現伽瑪刀具有療效顯著，安全，副作用少等特點。
  7. Zealous welcome field colleague incoming sample ordering, we will provide the design development, the production processing, the on - hand merchandise supply for the general customers and so on the omni - directional service, by extremely creates customer extremely satisfaction diligently

    熱忱歡迎業界同仁來樣訂貨，我們將為廣大顧客提供設計開發、生產加工、現貨供應等全方位的服務，以十分的努力來創造客戶十分的滿意。
  8. Phase - field simulations of dendritic growth in aluminum alloy directional solidification

    鋁合金定向凝固過程枝晶生長的相場法模擬
  9. Study progress in phase - field simulation of directional solidification microstructure

    定向凝固微觀組織的相場法模擬研究進展
  10. Electric field is able to drive the charged particles directional movement along the interlayer of graphite

    電泳插層利用電場力的作用，使得帶電粒子沿石墨粒子的層間方向作定向運動。
  11. We advocate bi - directional adaptation in the cross - cultural teaching field

    因此，在跨文化教育領域，我們提倡雙向適應。
  12. At the basis of shenzhen city ' s " shiwu " and 2015 modern logistics developing plan, shenzhen ' s logistic enterprises available ca n ' t take the responsibility of supporting estate now. so i analyze the west port area strategic circumstances, use the nine check and bostain model to make research of logistics strategic aims, operational field and so on, and at last i bring up the recommendation of strengthening west port logistics enterprise in order to solve the problem of long and directional problem

    本文從西部港區物流發展的戰略環境分析入手，運用內外因素九方格模型和改進型的波士頓模型討論西部港區物流業發展戰略目標、經營領域、戰略選擇和戰略重點，提出了優化西部港區物流企業、加強西部港區物流企業的行業協調和提供更合理的政策支持建議，力圖解決涉及西部港區物流發展的帶全局、長遠和方向性的問題。
  13. Changxin jinniu believes management philosophy on " market the first, the perfomance is first, meticulous to manage, pursue being outstanding " jinniu base on calcium carbide, ferrosilicon products, develop to many varieties, deep processing, synthesizing type, omni - directional development, the diversification is managed, an operation field expands the branch of industry that the direction has competitiveness or high in scientific and technological content for the economic income more than the high fine chemistry industry, biological medicine, etc

    寧夏常信金牛化工公司堅持「市場第一、效益優先、創新為本、精細經營、追求卓越」的經營思想，立足主業電石、鐵合金產品，向多品種、深加工、綜合型發展，全方位開發，多樣化經營，經營領域拓展方向為經濟收益較高的精細化工、生物醫藥等具競爭力或科技含量較高的行業。
  14. This paper mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near - field difference slope. the trend of system sum and difference phase difference, directional sensitivity and cross - coupling with change in distance is compared and discussed when the antenna is in the near - field and at a certain elevation

    本文著重研究了因近場感應電壓相位差引起的耦合誤差，以及近場天線差斜率變化引起的定向靈敏度的變化；討論了天線在近場並有一定仰角的條件下，隨著距離的變化，系統和、差相位差、定向靈敏度與交叉耦合的變化趨勢。
  15. This paper presents that the directional spectra and the reflection coefficients of the oblique and the multidirectional irregular waves on the co - exist wave field of incident wave and reflected wave have been studied. a modified two - points method is proposed that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves. for the multidirectional irregular waves, the directional spectra and reflection coefficients are obtained by the modified bayesian directional method and the modified maximum likelihood method

    本文研究了入、反射波共存場中斜向不規則波和多向不規則波波浪場的方向譜和反射系數，對于斜向不規則波頻率譜及反射系數的計算提出了一種改進兩點法（ mtpm ） ，對于多向不規則波方向譜和反射系數的分析，應用了改進的貝葉斯方法（ mbdm ）和改進的最大似然法（ mmlm ） 。
  16. Fieldbus is a digital, bi - directional, poly - branched communication network connecting field devices in automation control system

    現場總線是連接現場設備和自動化系統的數字式、雙向傳輸、多分支結構的通信網路。
  17. Fieldbus builds up interconnections among field instruments and field control units by providing a wholly digital, bi - directional and multi - variant communication path, which has no i only greatly improved the reliability and ability of anti - disturbance, but also sharply reduces the costs of installation and routine maintenance. can ( controller area bus ) belongs to the asynchronous communication network

    現場總線使得現場儀表之間、現場儀表與控制設備之間構成網路互連系統，實現全數字化、雙向、多變量的數字通訊，這大大地提高了系統的可靠性和抗干擾能力，同時節省了整個系統的投資、安裝及後期維護費用。
  18. The system can accomplish wireless power supply in the industrial field for the equipment of data collection and data transmission and bi - directional wireless communication of control signals and data collected from the field in the same time

    該系統可為工業現場數據採集設備、數據無線通信設備提供無線電能，同時實現控制信號和現場設備數據之間的雙向無線通信。
分享友人
分享到 Line

分享到臉書