超短基線 的英文怎麼說

中文拼音 [chāoduǎnjīxiàn]
超短基線 英文
usbl
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 短 : Ⅰ形容詞（空間、時間兩端之間的距離小） short; brief Ⅱ動詞（缺少; 欠） lack; owe Ⅲ名詞1 （缺點） we...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 超短 : ultrashort laser pulse
  1. Considering the one - sidedness and inaccuracy of knowledge discovery only from single - color database, an approach is proposed to discover knowledge from 1331 groups of mix - color database with partial least - square regression, based on measuring and learning 400 groups of single - color database. by this method, the mean error decreases when converting from rgb to cmyk, the precision of color matching is improved, and the automatic and general problem in color matching is further solved

    本文基於統計學習理論構造了一種快速自適應隨機搜索演算法，證明了演算法的收斂性.給出了一種簡易實用的寬帶天線匹配設計新方法.應用該自適應演算法進行天線匹配設計，不僅演算法簡單，易於編程實現;而且能夠快速設計出具有較好性能的匹配網路，非常適用於各種短波、超短波天線的匹配設計問題
  2. A method has been developed to calibrate the positions of the transducer and the transponder in the ultra - short baseline acoustic position system ( usbl )

    摘要提出了超短基線水聲定位系統（ usbl ）的校準方法，並用模擬數據進行了驗證。
  3. On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

    在基礎理論方面研究了激光（特別是超短脈沖激光）超聲的激勵機理，探討了激光調制技術以提高系統信噪比，闡述了泵束探針束技術及相關實驗設置；在系統設計上，以激光超聲為基本原理，以泵束探針束技術為系統設計方案完成了mems基片厚度測量系統的設計；在數據分析方法上，利用聲致光反射率變化的一般規律對測得的光反射率曲線進行分析，確定超聲回波在薄膜兩界面間來回傳播的時間，以計算薄膜的厚度。
  4. Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not

    非線性定向耦合器（ nldc ）是用在光網路中的光開關器件，它主要用在全光網路中， w . s . man等研究過基態孤子在nldc中的傳輸控制，便於對全光網路中數據的正確傳輸，由於目前研究集中在100fs的超短脈沖傳輸特性上，顯然基態孤子的特點不再適用於超高速網路； maryj . potasek等就超短脈沖在nldc中的自耦合做了研究，在光網路中自耦合任意性太大，不利於控制脈沖的傳輸。
  5. A new technique for liquid refractive index measurement by stratified film interference

    超短基線水下定位的關鍵技術分析
  6. Ultra short base line

    超短基線系統
  7. The experimental results show that this method is more reliable and practical than that in the commercial usbl system

    同商業超短基線定位系統相比，該方法具有精度高、結果可靠、對校準環境要求不高等特點。
  8. The application of the ultra - short baseline theory to detect and localization of the mine is mainly researched in this dissertation

    本論文主要研究將超短基線被動聲定位理論實際的應用到水雷的被動目標探測與定位上。
  9. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論，建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型；給出了高溫超導帶材的交流損耗及臨界電流隨（交、直流）背景磁場與超導帶面夾角變化規律的理論公式；依據所建立的高溫超導短樣帶材的各向異性理論公式，給出了高溫超導線圈交流損耗的數值計算模型；並利用該模型，計算了高溫超導雙餅線圈的交流損耗；並與實驗測量結果進行了比較分析。
  10. Firstly, the basic theory of the ultra - short baseline system is dissertated. and then, several typical localization model of four cell lineup is analyzed and investigated thoroughly. a optimal localization model is educed by contrasting performance and analyzing precision

    首先論述了現有超短基線被動聲定位系統的基本理論，緊接著深入研究了幾種典型的四元方陣的定位模型，通過性能對比、精度分析，討論得出了最優的定位模型。
  11. For the two parts mentioned above, this paper introduces a high precision positioning system for underwater application, which is made up of dgps and acoustical ultra short baseline. in this positioning system, the emphasis has been put on the mathematical model for positioning computation, and based on the model the author has given computer simulation results for positioning computation

    在本論文中，介紹了一套由dgps和水聲超短基線構成的水下精確定位系統，重點建立了用於此系統定位解算的數學模型，進而以該模型為基礎進行了定位解算的計算機模擬模擬，模擬結果進一步驗證了數學模型的正確性和系統的可行性。
  12. On the basis of sedimentary facies division, the author firstly divided super short - term and short - time base - level cycle on well drilling cores, and playback the cores to well logging curves to scale them, and set up different classes of base - level cycles answered to well logging respond models. finally the author discussed how to use log well curve to divide super short - term and short - time base - level cycle characters, and to set up super short - term and short - term base - level cycle comparison framework, and analyzed sand body origin cause of formation type and spreading rules

    在深入的沉積相研究基礎上，對鉆井巖芯進行了超短期?短期基準面旋迴劃分，將巖芯歸位，並對測井曲線進行刻度，建立了不同級次基準面旋迴的測井響應模型，進而應用測井曲線劃分低級次基準面旋迴，建立了超短?短期基準面旋迴地層格架，探討了砂體成因類型及展布規律。
  13. On the basis of the model, we employ matlab to simulate the system experiment. and we compare dynamic and static characteristic of pid control, fuzzy control and based - on ga fuzzy control. the results of simulation for model of simulation are proved that the approach of based - on ga fuzzy control is more efficient than other control methods because of its non - adjust value and shorter time of control

    模擬實驗中採用模擬對象模擬模型，主要為等效二階系統模型加一些非線性環節，然後對模擬模型進行pid控制、模糊控制以及基於ga的模糊控制，比較三者的控制動靜態特性，由於基於ga的模糊控制無超調和調整時間短，證明了其控制特性優於前二者。
  14. At the same time, a novel approach to construction of ldpc codes based on the permutation matrix was proposed which got a parity check matrix with the shortest girth is 6. these codes keep the advantage of linear encoding and become more flexible. simulations show that the performance of short length codes of this kind is as excellent as other ldpc codes

    同時提出一種基於置換陣循環移位的構造方法，得到的校驗矩陣圍長至少為6 ，且保持編碼的線性復雜度，碼率靈活，模擬結果驗證了置換陣ldpc碼碼長較短時，在高斯通道下性能接近或超過現有其他構造方式的ldpc碼。
  15. In this thesis, the basic theories of ultrasonic distance measuring and short distance communication are reviewed at first. and then the hardware and software design of the system ’ s every part is introduced in turn. at last, the debugging process and the results of different circumstances are provided

    本文首先回顧了超聲波測距和短距無線通信的基本原理，然後依次介紹了系統各個部分的硬體設計和軟體設計，最後就系統的軟硬體調試和實地測試給出了不同情況下的實驗結果。
  16. It has organized more than 30 seminars that drew over 6, 000 people, and its hotline has received 20, 000 enquiries. the alliance has also distributed nearly 100, 000 free copies of the sundae mood mental health magazine. the company recently set up its hearty hotline to provide staff and their families with access to professional social workers, psychologists and counsellors if they want to talk about their feelings or personal issues

    新鴻基地產新地的新地心理健康工程初見成效，短短數月已舉辦逾30場公眾講座，向超過6 ， 000名市民傳播心理健康訊息，熱線電話接獲近20 ， 000個電話查詢，及廣泛派發約10萬本情緒健康的雜志情報新地。
  17. In this thesis, an ultrasonic anti - collision system can be used in garage or when airplanes moving on ground is introduced, which is based on radio frequency ( rf ) technology. the system also has short distance wireless communication function

    本文提出了一種基於射頻（ rf ）技術、具有短距離無線通信功能、應用於機庫內或飛機作地面移動時的超聲波防撞系統。
  18. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。
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