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phase angle

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phase angle 【天文學】位相角。

【天文學】位相角。 “phase“ 中文翻譯：   n. 1.形勢，局面，狀態；階級。 2.方面，側面。 3 ...“angle“ 中文翻譯：   n. 〔古語〕釣鉤；釣具。 a brother of t ...“angle, phase“ 中文翻譯：   相角“a arent phase angle“ 中文翻譯：   表觀相角“angle dielectric phase“ 中文翻譯：   介電質相角“angle for phase matching“ 中文翻譯：   相位匹配角“angle of phase lag“ 中文翻譯：   滯后相角“angle of phase lead“ 中文翻譯：   越前相角“angle phase digital converter“ 中文翻譯：   軸角“angle phase matching“ 中文翻譯：   角相位匹配“angle-phase-digitalconverter“ 中文翻譯：   角度-相移-數字轉換器“apparent phase angle“ 中文翻譯：   表觀相角“carrier phase angle“ 中文翻譯：   載波相角“characteristic influenced by phase angle“ 中文翻譯：   位相特性“constant phase angle“ 中文翻譯：   固定相位角“current transformer phase angle“ 中文翻譯：   電流互感器相角“diectric phase angle“ 中文翻譯：   介質相角“dielectric phase angle“ 中文翻譯：   介電損耗角; 介電位相角; 介質相角; 介質相位角“difference of phase angle“ 中文翻譯：   相角差“digital phase-angle meter“ 中文翻譯：   數字相位角計“effective phase angle“ 中文翻譯：   有效相角“electronic phase angle meter“ 中文翻譯：   電子相位計“electronic phase-angle meter“ 中文翻譯：   電子相角計“equilibrium phase angle“ 中文翻譯：   平衡相角“initial phase angle“ 中文翻譯：   初負荷; 初相角; 單位沖激信號

The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method . then spacecraft ' s orbit roots , maneuver impulse and maneuver time are discussed as the following four part : first of all , the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver . the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous “ ability , moreover , the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal 為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,仿真和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。

The term impedance is applicable only to ac circuits . its unit of measurement is the ohm . it has a magnitude as well as phase angle . it is a complex quantity “感抗“這個術語只適用于交流電路，其測量單位為歐姆。感抗不但有幅值，而且有相角，它是一個復數量。

The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method . then spacecraft ' s orbit roots , maneuver impulse and maneuver time are discussed as the following four part : first of all , the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver . the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous “ ability , moreover , the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal 為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,仿真和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。

The term impedance is applicable only to ac circuits . its unit of measurement is the ohm . it has a magnitude as well as phase angle . it is a complex quantity “感抗“這個術語只適用于交流電路，其測量單位為歐姆。感抗不但有幅值，而且有相角，它是一個復數量。

phase contrast microscope

The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method . then spacecraft ' s orbit roots , maneuver impulse and maneuver time are discussed as the following four part : first of all , the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver . the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous “ ability , moreover , the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal 為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,仿真和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。

This paper considers two controllers with different feedback signals ? the ac current phase angle of converter transformer and the ac voltage magnitude of inverter bus , respectively . pscad / emtdc simulation software is used for the controller testing . the test models used for the analysis are the cigre hvdc benchmark systems with different scr at the inverter side 為了驗證該控制方式的有效性，本文采用了電磁暫態仿真軟件pscad emtdc ，在國際大電網會議cigre提出的hvdc標準模型上，用逆變側短路比不同的系統對調制控制器的性能進行了仿真測試，調試出了調制控制器的各參數值。

The results indicate that the value of squeezed component of the atomic dipole , squeezed frequency , amplitude and squeezed direction of the atomic information entropy ca be controlled by choosing the atomic initial state , the velocity of atomic motion , the field structure and the squeezing factor of field and the squeezing phase angle of the field , respectively 結果表明，通過選擇原子初態，原子運動速度、場模結構，場壓縮因子和場壓縮相位角可以分別控制原子信息熵壓縮的偶極矩分量值、壓縮頻率、壓縮幅度和壓縮方向。

The operating principles of svpwm and associated control algorithms are also covered in the paper . by using svpwm to control the magnitude and phase angles of the spatial voltage vector , the speed control of the drive system in this paper can reduce the output of current harmonics , lower the torque ripple , and improve the energy efficiency 本文還對svpwm的工作原理和控制算法進行了研究,控制系統采用svpwm算法,通過對空間電壓矢量的幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧波,降低了脈動轉矩,提高了電壓的利用率。

Single chip needs too much time to calculate and we ca n ' t detect power quality real time for example , and the sampling rate must synchronize the signal frequency . when sample multi - channel signal in turn , it must have time delay between two samplings , so the phase angle difference between each channel signal is ca n ' t be avoid and so on . those problems must be solved 本課題分析了目前電能質量的各種檢測方法，認為快速傅氏算法（ fft ）是首選方法，但是基于定時采樣的fft計算會產生頻譜泄漏，為了減少這個泄漏需要進行加窗處理，這需要增加采樣數據，導致顯著增大計算量。

After the host computer sends the broadcast command to order measurement operation , all slave devices will start to sample the input signals synchronously . when the sampling operation has finished , devices installed on the capacitive equipments will calculate the phase angle difference ( oi ) between leakage current and the reference voltage signal , and devices installed on pt will calculate the phase angle difference between secondary voltage and the reference voltage signal ( ou ) 我們把一個50hz的交流基準電源引到每臺下位機內，主機發布一個廣播命令要求pt和電容型設備上的監測裝置同時采樣，電容型監測裝置計算出泄漏電流和基準源之間的相位差_ ( oi ) ， pt上的裝置計算出二次電壓與基準源之間的相位差_ ( ou ) 。

By selecting the amplitude and phase angle of the vsc output voltage as control variables , the steady - state model of hvdc - vsc is developed . according to this model , the corresponding relationship between the two controlling and the two controlled variables of the vsc is determined . furthermore , a nonlinear control strategy combining an inverse model controller with a pi controller is proposed 建立了以電壓相角和幅值為控制量的hvdc - vsc的穩態模型，并依據所建立的穩態模型，確定了vsc兩個控制量與兩個被控量之間的合理對應關系，設計了由逆模型控制器和pi控制器構成的非線性控制器。

Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts . if we use upfc to control the transmission parameters , terminal voltage , line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off , we can implement two phases operating in high voltage transmission lines , which can improve stability and reliability for the transmission system 統一潮流控制器（ upfc ）是功能最強、最具發展潛力的靈活交流輸電系統（ facts ）控制器之一，如果在常規條件下，用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能，在發生單相永久性接地或單相斷路故障時，由傳統的三相跳閘改為單相跳閘，用upfc的并補來濾除兩端系統的零序和負序電流，用upfc的串補來提高輸電線的傳輸功率，以實現兩相長期運行，那么輸電系統的穩定性、可靠性將大大提高。

Then , the hilbert transform is applied to each modal response to obtain the instantaneous amplitude and phase angle time histories . a linear least - square fit procedure is proposed to identify the natural frequency , damping ratios , physical mass , damping and stiffness matrices from instantaneous amplitude and phase angle for each modal response 然后對各階模態響應進行hilbert變換，得到瞬態幅值和相位角的時間歷程，再運用線性最小均方擬合來識別自然頻率、阻尼比、質量、剛度和阻尼矩陣。

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，并結合實際討論其函數曲線的工程意義。

As to y doped batio3 erf the modulating ability is larger with a range of 0 . 17 ~ 0 . 657 which is between that of silica oil and empty container . ( 2 ) as to kaolinite coated tio2 erf the reflection microwave phase angle increases to a maximum value then decreases to a constant value 二氧化鈦包覆高嶺土電流變液反射回波相位隨電場強度的增大出現最大值后逐漸減小趨于平穩；釔摻雜鈦酸鋇和鈦酸鋇電流變液反射系數相位隨電場強度增大而增大。

The analysis result shows that the whole system could reach not only a static balance hut also a dynamic balance at all time because of the special phase angle relation , it keeps all the advantages of the traditional cycloidal - pin wheel planetary gear train 分析表明，由于四片環板采用了特殊的相位角關系，整個系統不僅能夠達到靜力平衡，而且能達到任意時刻的動平衡，同時又保留了擺線針輪行星傳動的優點，是一種具有發展前景的傳動形式。

The formation of self - assembled interfacial n - dodecanethiol monolayer and its effect on the corrosion protection of epoxy coating were evaluated using the x - ray photoelectronic spectroscopy , electrochemical impedance spectroscopy , impedance - time transition , and phase angle - time transition method 采用x射線光電子能譜、電化學阻抗譜、阻抗時間譜和相位角時間譜等方法對硫醇自組裝界面層及其對涂層腐蝕防護性能的影響進行了研究。

The existence of a c - c ( crank - crank ) type of geared five - bar linkages linked with the ground link , the classification and the range of gear ratio and phase angle in the fully rotatability of geared five - bar linkages were mainly studied in this dissertation 本論文主要研究了齒輪?五桿機構中與機架相連的兩連架桿的雙曲柄的存在條件、齒輪?五桿機構的分類以及在每一分類中齒輪?五桿機構能夠整周轉動時其相位角和傳動比的范圍。

The test results show that different patterns of pd correspond to different demodulating signal waveforms , the pd phase angle in ac , and spectrum characteristics . therefore the pd patterns can be recognized by the uhf characters of different pd signals in gis 試驗結果表明，不同缺陷類型的局部放電在其檢波信號波形、局部放電工頻相位分布和超高頻頻譜特征是有所不同的，可以依據這些特征對gis內的局部放電類型進行識別。