直流測深 的英文怎麼說

中文拼音 [zhíliúcèshēn]
直流測深 英文
dc depth sounding
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 深 : Ⅰ形容詞1 （從上到下或從外到里的距離大） deep 2 （深奧） difficult; profound 3 （深刻; 深入） thor...
  • 直流 : direct current （dc）; constant current; steady current; continuous current; zero frequency curre...
  1. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  2. In xanadu did kubla khan a stately pleasure - dome decree : where alph, the sacred river, ran through caverns measureless to man down to a sunless sea

    忽必列汗在上都曾經下令造一座堂皇的安樂殿堂：這地方有聖河亞佛流奔，穿過深不可測的洞門，直流入不見陽光的海洋。
  3. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  4. Application of mine electrical method in exploring the break - out - water collapse column in renlou mine

    直流電測深法在探測煤礦導水陷落柱中的應用
  5. Techniques and practice of detecting water flowing subsided column by ground direct current electrical sound method

    地面直流電測深法探測導水陷落柱技術與實踐
  6. Method and technique of using 3 - electrode electrical sounding at different positions in a roadway for detecting the location and water content of collapse - column was put forward

    摘要提出了用不同方位巷道三極直流電測深法探測陷落柱位置及其富水性的技術。
  7. The investigation of the measure principles of direct current attenuation method, voltage integral method, and direct load method

    較為深入的研究了直流衰減法、電壓積分法和直接負載法的測試原理。
  8. Allowed working pressure not only relate to material diameter thickness of protective tube it is also relative with its structure form setting measure inserting depth velocity of flow and sorts about measured medium, etc

    允許工作壓力不僅與保護管材料直徑壁厚有關還與其結構形式安裝方法插入深度以及被測介質的流速和種類有關。
  9. Standard practice for approximate determination of current density of large - diameter ion beams for sputter depth profiling of solid surfaces

    固體表面濺射深度仿形加工用大直徑離子束的電流密度近似測定的標準規程
  10. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵磁電機（ acem ）採用電力電子變流器作為勵磁裝置，其勵磁電壓諧波含量豐富，難于獲得諧波分析所需的電壓基準，同時交流勵磁電機經常工作在同步轉速附近，致使勵磁電壓頻率極低甚至為直流，通常的諧波檢測方法和理論都無法適用，因而這是一種目前尚未深入探討過的復雜供用電系統電力諧波抑制問題的研究。
  11. Measurement of liquid flow in open channels - measuring instruments and equipment - recommendations for direct depth sounding and suspension equipment

    明渠流量測量.第8部分:測量儀器和設備.第8b節:直接測深和懸置設備推薦標準
  12. Liquid flow measurement in open channels. direct depth sounding and suspension equipment

    明渠液體流量的測量.直接測深和懸掛設備
  13. In this paper, the structure and working principle of the system is studied, the principle of straight measured parameters, the mathematics model of the derived parameters and the discrimination of drilling states, as well as the principle of the hardware system designing are analyzed. also, the principle of long - distance data transmission is discussed ; meanwhile this system adopts gprs technology to transmit the datum of the drilling place. the software architecture, data flow, and the function model of the drilling states monitoring system are presented

    論文首先對系統的結構和工作原理進行了研究，分析了直測參數測量原理、派生參數和工況識別的數學模型及硬體系統設計原理，並對遠程數據通信原理進行了研究，系統首次採用gprs技術進行鉆井現場數據的遠程傳送；其次討論了現場監測系統的軟體體系結構、數據流程及功能模塊的設計；然後研究了異地監視系統的軟體體系結構，分析了幾種數據通信方法，並對解決系統實時性和生成歷史曲線的關鍵技術進行了深入的研究，最後對異地監視系統的功能模型進行了介紹。
  14. Many new diagnostic tools and therapeutic modalities specially designed for children, including ambulatory urodynamics with infrared telemetry, sleep polysomnography with simultaneous urodyamic monitoring, electrical neuromodulation and biofeedback programmes, and various innovative surgical and procedures have been introduced for the first time in asia. to date, thousands of children have already received successful treatment and benefited greatly from these programmes

    這包括尿流動力學及膀胱測壓檢查、膀胱排空測試、多導睡眠及夜間膀胱測壓檢查、直腸肛門測壓檢查、排尿功能治療、腸道功能治療、深切生物反饋訓練、肛門肌肉訓練、藥物治理、各種導尿及排便方法訓練與及最新的大小便失禁的手術治理等等。
  15. Improvement and application of jacobian matrix for 2d resistivity sounding fast inversion

    二維直流電測深反演中雅克比矩陣演算法的改進及應用
  16. Abstract : based on the geophysical characteristics of each medium in the studied area, combining with the geophysical inversion technique, the location of tertiary thin - layer aquifer is delineated, the top depth of granite basement is identified

    文摘:依據區內各介質的地球物理特徵，結合物探數據反演技術，利用直流電測深法，圈定出第三系薄層含水層的位置。
  17. The experimental tests are made on the right - angle dissipator with square cross - section, a new internal energy dissipator. in order to obtain its hydraulic characteristic, lda is used to measure the detailed velocity. the pressure along the wall boundary is also measured

    2為深入研究直彎式消能工的水力特性，本文進行了方管的直角拐彎的試驗研究，採用二維激光流速儀測得了詳細的流場，並測量了壁面壓力分佈情況。
  18. The equipments and methods were on the level of manual operation, hi this paper, author paid a systemic research into three kinds of measure means : direct current attenuation method, voltage integral method, and direct load method ; theoretically analyzed the measure methods of synchronous armature reaction reactance, and even developed a test system to automatically measure the synchronous armature reaction reactance

    作者對直流衰減法、電壓積分法和直接負載法這三種測試方法的測試原理進行了較為深入、系統的研究，從理論上分析了同步電樞反應電抗參數的測試方法，並在此基礎上開發出能夠自動進行同步電樞反應電抗參數測試的系統。
  19. Three kinds of the usual methods of rotor flux estimation are compared and analyzed, and the method of rotor flux estimation based on the voltage model is studied in detail. and the output phase voltage is reconstructed by means of the dc - bus voltage and the switching states of the inverter, the effect of the dead time and saturating voltage - drop of the switches on flux estimation is discussed. and the method of synchronizing instant speed identification is also studied deeply

    本文對三種常用的轉子磁鏈觀測方法進行了對比分析，在此基礎上著重研究了基於電壓模型磁鏈觀測方法，分析了利用直流母線電壓和逆變器三相開關管的狀態進行輸出電壓重構方法，討論了死區時間和開關管飽和壓降對磁鏈觀測結果的影響，深入研究了同步瞬時轉速辨識方法。
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