phase position 中文意思是什麼

phase position 解釋
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  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • position : n 1 位置；方位；地點。2 處境，情況；狀態，形勢，局面。3 姿態，姿勢。4 地位，身份；職位；職務。5 ...
  1. Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary

    分析這些異常共性特徵的形成機制，初步認為：是在基本統一的大區域構造應力場控制下，不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性，在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形差異而導致應力-應變積累、孕育強震到一定階段的結果。
  2. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  3. Based on the character of ultrasonic spectrum analysis, considering the affection of the circuit responsion of checking system, coupling state, position of checking transducer, this thesis established reasonable ultrasonic spectrum analysis method. using this method, several kinds of linear spectrum ( such as phase amplitude spectrum, phase power spectrum ) were researched and discussed

    本文根據超聲波頻譜分析的特點，綜合考慮了檢測電路響應、耦合狀況、探頭位置等因素的影響，制定出了一套合理的超聲波頻譜分析方法，並用此方法對幾種線性譜（如相位幅度譜、相位功率譜等）進行了研究和探討。
  4. The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand

    引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正，從而建立單缸電液伺服控制系統，並在分析系統誤差和擾動誤差后，加入復合控制減小系統誤差和抑制干擾，模擬結果表明復合控制系統的控製品質有了明顯改善，能夠滿足工程需求。
  5. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現，利用該晶元的資源，實現各模塊的調度，完成對導航電文的提取，重新組幀，定位解算以及對外介面;在解算部分，把載波相位定位與碼測距定位相結合，利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試，以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  6. The position of the second order phase transition points for the stationary black holes has been argued by many authors recently

    穩態黑洞在什麼條件下出現二級相變，近年來在引力學界存在著爭論。
  7. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數，我們借鑒isar的技術，通過較長時間的相干積累，在多普勒頻域上對目標進行分辨。而對于編隊目標，可分為近似剛性的多目標和非剛性的多目標，所以對于可以近似為剛體的編隊目標相對位置固定，運動方式一致，可以近似看作一個大目標，採用最小墑準則對平動相位的進行補償，但是大多數並不滿足剛體近似的編隊目標，由於目標在相干積累時間的多普勒頻率近似呈線性變化，通過對較短數據利用relax的時頻分析方法，提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間，所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨，對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  8. A sort of spot dynamic balance test system is developed using singlechip as a core apparatus. it can do single - face and double - face dynamic balance test, present result of unequilibrium and its phase position, can test rotate speed and vibration, can show the time - field and frequency - field picture of gain signal

    本課題是利用單片機作為核心器件研製的一套可應用於現場的動平衡測試系統。該系統能完成現場動平衡單面或雙面測試，實時給出不平衡量的大小和相位。也可單獨測轉速和振動，還能對採集到的振動信號作時域、頻域圖顯示。
  9. By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality

    摘要通過分析嚙合相位角幾何圖形的位置，推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式，畫出了嚙合相位角函數的擬合曲線，並結合實際討論其函數曲線的工程意義。
  10. The dissertation is organized as follow : first, the characteristics of srm and its control system ' s development are introduced. previously major methods used to implement non - position sensor detection and the significance of making search for this direction is generated. and the configuration and fundamental operating principle of srm are analyzed ; some study of linear model and nonlinear model with phase coil as fundamental parameter are presented and sr ' s linear model and nonlinear model are set up

    本文就以上兩個問題進行了深入研究，首先介紹了sr電機及其控制系統的發展歷程，研究無位置傳感器srd的意義和總結已有的無位置傳感器檢測方法，並且通過分析sr電機的結構和運行原理，研究sr電機繞組的線性電感模型和非線性電感模型，建立了電機的線性和非線性數學模型，重點研究sr電機的非線性模型，為sr電機運行與控制特性的研究和模擬研究奠定了理論基礎。
  11. In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave

    第二種方法將小波變換與模式變換理論結合起來，採用的是暫態行波信號，首先將三相信號轉換成模式分量，零模分量的小波變換系數用於判別故障的大致位置，然後利用線模分量的小波變換系數來確定行波到達時間。
  12. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  13. It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter

    它能直接控制和驅動步進電機和直流伺服電機，並可通過控制交流變頻器對交流伺服電機進行控制，而且具有光電編碼器和感應移相器位置反饋信號檢測功能。
  14. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  15. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應式步進電機為實例，對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究；實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上，本文對細分驅動環形分配器的設計和微步距測量修正進行了創新；提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。
  16. We consider that the tenancy position of the science park phase 1 is fairly satisfactory

    我們認為科學園第一期的招租情況尚算理想。
  17. The two types of " saint " is the working result based on the knowledge of relations in the practical people who belong to the certain living field in the phase of this history, especially on the knowledge in the people who possess the dominant position in the field

    這兩種「聖人」是這兩個階段的現實的人在其特定生存場域中根據對關系的認識進行關系運作的產物，尤其是場域中占據支配關系位置的人根據對關系的認識進行權力運作的產物。
  18. We build a close vibration compensation system which can successfully achieve the measurement of interference fringes movement and - vibration compensation. it puts forward pre - setting fill - in pulses method to implement phase shifting with the same pzt. with this new method, the interference fringe can be stabilized at any pre - setting phase position

    提出了填充脈沖數預設定的方法，可以將干涉條紋鎖定在任意設定的位相位置，實現了用pzt同時實現振動補償和移相測量；深入分析討論了pzt的延遲問題，創造性地提出了用多次逼近補償的辦法，給出了反饋補償的演算法，解決了補償過程中存在的系統不穩定和過補償的問題。
  19. As the control core of the wielding power supply, outputs two pulses waveform. which is different from each other of their phase position. after the magnifying of the drive module m57959l, the output waveform can drive the igbt and control the

    由tms320f2812dsp輸出兩路相位分別成180o反相的pwm脈沖波形，經過igbt專用驅動模塊m57959l的驅動，來控制igbt的導通、關斷。
  20. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
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