phase sensitivity 中文意思是什麼

phase sensitivity 解釋
相敏
  • 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,...
  • sensitivity : n. 1. 敏感(性);感受性。2. (儀器等的)靈敏性。3. 【攝影】感光度。
  1. After study on the technology of probe head of the optical fiber, a biosensor for determination of cholesterol which based on fluorescence quenching and adopted phase shift & phase lock technique to detect the change of light intensity was developed, in this biosensor, the cellulose acetate cod enzyme membrane was took as sensitivity basic dollar, ru ( phen ) 32 + was took as indicator of oxygen and furcated optical fiber as conduct carrier of light signal

    通過對光纖探頭組裝技術的研究,以醋酸纖維素cod酶膜為敏感基元,釕( ) -鄰菲咯啉為氧指示劑,分叉光纖為光信號傳導載體,採用相移法和鎖相放大技術設計了一種基於熒光猝滅原理的測定膽固醇用的生物傳感裝置。
  2. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術,為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭,從而不可避免地導致干涉條紋亮暗不均勻和照度改變的問題,最終影響測量精度。
  3. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。
  4. As an important target of frequency synthesizer design, phase noise determines system ’ s sensitivity and selectivity whose design is being the emphasis as well as nodus at all times

    它作為頻率合成器的重要指標,決定了系統的靈敏度和選擇性能,一直是設計者的難點和重點。
  5. 4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too

    數據採集系統採用鎖相技術、同步檢波的原理,降低了整個系統的成本,提高了靈敏度,並使得載波信號與調制信號完全達到同步。
  6. 3. with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit, we have successfully enhanced sensitivity, expanded dynamic range, increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption. 4

    3 、對通信機的全面改進,包括lna結構的調整、鎖相環環路濾波器的優化、發射部分結構的調整以及中頻解調電路的相差調整,提高了系統的接收靈敏度、改善了本振的頻譜純度、減少了鎖相環的鎖定時間、使中頻解調后的信號質量大為提高,同時還減少了體積、節約了系統的功耗。
  7. The half analytic formula is reasoned out, which is applied to the sensitivity analysis on design parameters. through the sensitivity analysis of design parameters in constructing phase of nanpu bridge, the main design parameters are confirmed. based on this, the real value of parameters are identified by least square method, by this token, the error of design parameters can be eliminated in the process of construction control

    為了減小鋼管混凝土拱橋施工過程中的施工控制誤差,本文推導出了用於結構設計參數敏感性分析的半解析公式,並對南浦大橋各施工階段的結構參數進行了敏感性分析,從而確定出該橋的主要設計參數,在此基礎上,利用最小二乘法對這些參數進行識別,估計出各參數的真實值,以消除施工控制中結構設計參數誤差。
  8. Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system

    各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外,其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。
  9. The design and application of the measuring circuit of inductance sensor base on the soft digital phase sensitivity detection

    基於軟相敏檢波演算法的電感傳感器測量電路的設計
  10. In this paper, we ore going to analyze the effect factors of collector from the aspects of radiation condition, in - phase of supply and demand and sensitivity of shelter and variation of combinatorial plane, then discuss them with some design examples

    該文擬從輻射條件、供需同步性及對遮擋及組合面變化的敏感性方面對影響集光器姿態的因素進行分析,並結合設計實例進行探討。
  11. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以零序電流、模電流等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  12. This paper suggests that when making productivity appraisal of super - high pressure and stress sensitivity gas reservoir during early phase of exploration or development, the pressure - squared method can he used to approximately determine the absolute open flow potentials of gas reservoirs

    研究表明:考慮應用敏感性時所獲得的氣井絕對無阻流量要比不考慮應力敏感性時減小10 % ~ 25 % ,並與不考慮應力敏感性時壓力平方方法所獲得的絕對無阻流量相當。
  13. The reasons focusing only on ray travel times are " noise tolerance could be enhanced and the sensitivity to the environment model mismatch may be reduced by neglecting amplitude information ; phase ambiguity is eliminated by employing the group delay of arriving wave packets ; travel times are pseudo - linear functions of sound speed profiles of the medium, and the perturbation of ray travel time is much smaller than sound pressure ' s

    之所以選擇聲傳播時間的原因是:噪聲容限可以得到提高,並且傳播時間的計算可以不考慮聲壓的信息,從而降低了對環境模型失配的敏感性;相位的起伏也可通過到達包絡的群延時來消除;傳播時間是介質聲速分佈的偽線性函數並且傳播時間的起伏遠小於聲壓的起伏。
  14. Phase - coded radar, however, has the disadvantage of higher range sidelobe and doppler sensitivity

    當然,相位編碼雷達也存在著距離旁瓣較高和多卜勒敏感等問題。
  15. The mathematical model of phase - compounding excitation system, thyristor excitation system and brushless excitation system are given separately. the design of h controller for synchronous generator voltage regulation system is transformed into a mixed sensitivity problem. the uncertainty of synchronous generator model is analyzed in the light of this control object

    分別給出了船舶電站相復勵勵磁系統、可控硅勵磁系統、無刷勵磁系統的數學模型,把同步發電機調壓系統h _控制器的設計歸結為混合靈敏度問題,針對同步發電機這一控制對象,分析了其模型的不確定性,建立了同步發電機廣義對象的數學模型。
  16. In these years the technology is very popular with many advantages such as : non - contact, full - field measure, high accuracy and sensitivity, automation. but in actual application the following problems which are urgent to solve are : ( 1 ) suiting the industrial environment ; ( 2 realizing phase - shifting with high accuracy ; ( 3 ) measuring large - scale object. in order to solve these problems, the improved and new methods are presented by experiment in this dissertation, which are based on theory of optical 3 - d shape phase measurement and matlab language

    在這二十多年的時間里,該技術以非接觸、全場測量、高精度、高靈敏度及自動化等優點得到廣泛應用,但就其在實際應用的情況來看,該技術還存在急需解決的問題: ( 1 )對工業環境的適應; ( 2 )高精度相移的實現; ( 3 )大尺度物體測量。
  17. We clarified that if the three - level atom and the two - mode cavity field are all in the coherent superposition state, the different transition processes interfere each other, the emission spectrum exhibits phase sensitivity. second, the phase properties of the two - mode su ( 2 ) coherent field interacting with a - type three - level atom and the two - mode su ( 1, 1 ) coherent field interacting with two atoms are investigated

    我們考察了雙模su ( 2 )相干場與型三能級原子相互作用系統以及雙模su ( 1 , 1 )相干場與雙原子相互作用系統中雙模光場的相位性質,證明了光場每個j迄兇博士學位論文docioraldisser 」 i人lion
  18. 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。
  19. Results show that the displacement sensor based on self - mixing interference has the same phase sensitivity as a conventional interferometer

    並且推導出smi位移測量具有與雙光束干涉測量相同的相位靈敏度。
  20. When the cavity field is initially in photon number state or mixed state, the emission spectrum of the two - level atom has nothing to do with the phase of the atomic dipole. if the cavity field is initially in the coherent superposition of photon number state, the emission spectrum of the two - level atom exhibits phase sensitivity. if a a - type three - level atom is initially in the coherent superposition of its two non - degenerate lower states, the emission spectrum depends on the phase of the atomic dipole

    證明了初始時刻驅動場處于光子數態或者光子數的混合態時,二能級原子發射譜與原子偶極矩的相位無關,只有當驅動場初始時刻處于光子數的疊加態時,原子發射譜才依賴于原子偶極矩的相位;而初始時刻處于兩個下能態相干疊加態的型三能級原子發射譜對原子初態的依賴關系卻不受單模驅動場的影響。
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