測向線圈 的英文怎麼說
中文拼音 [cèxiàngxiànjuān]
測向線圈
英文
pickup coil-
Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission
瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。Superconductivity - ac loss measurements - total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.交流電損耗測量.用拾波線圈法測量暴露于橫向交流磁場的cu nb - ti合成超導導線的交流電總損耗量Superconductivity - part 8 : ac loss measurements ; total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.第8部分:交流電損耗測量.用拾波線圈法測量爆露于橫向交流磁場中合成超導導線的交流電總損耗量Superconductivity - part 8 : ac loss measurements - total ac loss measurement of cu nb to composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.第8部分:交流電損耗測量.用拾波線圈法測量暴露于橫向交流磁場的銅鈮復合超導導線的交流電總損耗量In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史，並結合區內構造發育特徵，探討油氣在區域上的運移方向和在時間上的運移期次；通過對儲集層段的發育特徵和控制因素的研究，預測了本區主要的儲集層段在橫向上和縱向上的分佈規律，並結合孔隙演化特徵，探討儲集條件在油氣聚集成藏中的作用；利用微毛細管壓力曲線法和壓汞法，對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價，並結合水文地質分佈特徵，指出有利於油氣保存的地區；根據區內存在的各種圈閉類型，對可能存在的油氣藏進行了分類，並試圖從油氣的生成與運移、儲集條件、保存條件等方面，動態地綜合評價石炭系?下三疊統油氣成藏條件，並結合構造演化特徵，預測其油氣藏類型和成藏模式。Guide for a test procedure for the measurement of loss tangent of coils and bars for machine windings
機器繞組線圈和棒的切向損耗測量用試驗方法指南The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流，兩者產生的偏置磁場在控制線圈產生感應信號，檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，再由pid控制器轉換為轉子位移的控制信號，最後控制信號輸入功放電路產生控制電流，實現閉環控制。An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field
檢流計，電流計一種儀器，用以探測、測量和測定微小電流方向，採用線圈在磁場中產生的機械效果的方法However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系，即干涉相位差，方位角或仰角是直接由干涉相位差計算得到，或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓（電流）分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈，模擬顯示出來波方位，干涉儀測向為典型的相位測向方法。According to the actuality of the present research on ct, we bring forward a new design scheme based on the rogowski coil, in this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction
本文在考察了國內外電流互感器發展現狀的基礎上，提出了一種基於rogowski線圈的電流互感器，該互感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。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。Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result
其次，對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在直接路徑上的磁場傳播、採用復式探頭激勵方式以實現能流控制，從而減小傳感器體積，模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度，模擬結果證實三維探頭的周向靈敏性。That is : the optical fibers which are to be tested will wind the same circle according to different radius or will wind the different optical fiber ' s circles according to the same radius, making the direction of incident ray side vibration as parameter, we have done the specific experiments and theory analysis to winding waste of quartz system, both refrac tion optical fibers and elastic - optic effect of optical fiber
即把待測光纖以不同的半徑纏繞成相同的光纖圈和以相同的半徑下纏繞成不同的光纖圈，以入射線偏振光方向為參數，對單模石英系雙折射光纖的彎曲損耗與光纖的彈光效應進行了的具體的實驗和理論分析。分享友人