相干測量儀 的英文怎麼說
中文拼音 [xiānggāncèliángyí]
相干測量儀
英文
correlation measuring instrument- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 干 : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 相干 : 1 (多用於否定句或疑問句) have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement
短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是:頻率及頻差穩定的雙頻激光源、穩定的等效腔長;測量光與參考光合光後有很高同軸度的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured
五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點,全場準確測量了液晶空間光調制器的位相調制特性,並且利用它的位相調制特性實現了臺階位相板畸變波前的補償,由此證明了液晶空間光調制器可用於控制波前畸變。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。The main working procedure of the fiber - optic sensor is : the sensing element detects the acceleration signal, this signal modulates the phase of the wave, and the phase change is corresponding to the acceleration signal
該光纖加速度計的工作過程為:敏感元件感受外界的加速度信號,並把它轉化成馬赫-增德爾干涉儀測量臂的拉伸或壓縮,從而引起測量臂中的光波相位變化,相位變化量即代表被測加速度值。When used in conjuction with a spectrum analyzer or a measuring receiver, the probes can be used to locate and qualify emi sources, as well as evaluate emc problems at the
電纜饋送,當探頭與頻譜儀或測量接收機連用時,探頭可用於探測電磁干擾源,以及評估電路板和樣機試驗階段的電磁相容問題。The distribution characteristics of the metals from the intertidal sediments of jiaozhou bay ( 1 ) the results shown that, the available concentraion of zn is ranged 53. 88 - 143. 21 g / g ( dry weight ), cu is ranged 18. 56 - 65. 34 g / g ( dry weight ), cr is ranged 10. 82 - 105. 49 g / g ( dry weight ), pb is ranged 2. 14 - 31. 92 g / g ( dry weight ), cd is ranged 0. 04 - 0. 836 g / g ( dry weight ), hg is ranged 0. 005 - 0. 115 g / g ( dry weight ), eh is ranged - 307. 9 - 84. 4mv, ph is ranged 7. 589 - 8. 019, the sediment in jiaozhou bay is featured by reduction, so the sediment of jiaozhou bay deposied well
用離子分析儀測得沉積物中重金屬相關參數氧化還原電位eh的范圍為307 . 9 84 . 4mv , ph的范圍為7 . 589 8 . 019 ,說明膠州灣沉積物有較強的還原性,重金屬沉積較好。為將汞相對于濕樣的含量轉化為相對于干樣,測得沉積物含水率的范圍為23 . 2 34 . 8 。However, neither specific model for interpretation nor entanglement formed by the system to be measured and macro - instrumentation is logically reasonable in theoretical system of decoherence interpretation
但量子測量退相干解釋的具體模型,被測系統與宏觀儀器所形成的糾纏態,在退相干解釋理論體系中,邏輯不自恰。Quantum decoherent study has an important meaning in the field of quantum measurement. because it is necessary to induct classical meter, it come into being entangle between the classical meter and the measured system through the system - meter interaction
量子退相干研究在量子測量領域中具有重要的意義,在測量過程中,不可避免地引入測量儀器,通過被測系統與測量儀器的相互作用,在它們之間形成糾纏。This paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer
主要分析兩束相互垂直的線偏振光經過金屬反射鏡反射后引起的橢圓偏振化的不對稱性,並研究由此產生的非線性誤差的變化規律,這對提高偏振光外差干涉儀的測量精度是極為重要的。Abstract : this paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer
文摘:主要分析兩束相互垂直的線偏振光經過金屬反射鏡反射后引起的橢圓偏振化的不對稱性,並研究由此產生的非線性誤差的變化規律,這對提高偏振光外差干涉儀的測量精度是極為重要的。According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum
摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統,採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量,克服了光源光強漂移所帶來的影響;實現了可見光區消光比的精確自動測量,而且可以測得近似的消光光譜。The emphasis was put on the main factors affecting its performance, such as : drift of the average frequency of interferometer ; drift of frequency difference of interferometer ; the changes of the interference add - on term of the gaussian beam during the measurement and its effects on the phase changes, as well as the relationship between the changes of the interference add - on term of the gaussian beam during the measurement with the movement of the measurement mirror
對雙頻激光干涉儀的工作原理進行了理論分析,著重分析了其主要影響因素:雙頻激光平均頻率漂移;雙頻激光差頻漂移;高斯光束干涉附加項在測量過程中的變化及其對相位變化的影響,與測量鏡運動引起的程差變化的關系。Lastly, according to correlation theoretics of advanced education and application theoretics of computer multimedia technology, the paper researched and empoldered college physical experiments " multimedia textbook. on the base of abundant investigation and practice in practical work, some research and development principles about multimedia textbook were concluded, and the basic frame of college physical experiments " multimedia textbook was constructed. and thereinto, five multimedia experiments such as measuring electrostatic field with simulation method, michelson interferometer, measuring the tensility of liquid surface, air cushion navigation experiment, and drawing lissajous figures were empoldered
最後,論文根據高等教育的相關理論和計算機多媒體技術的應用理論,開展了「大學物理實驗」多媒體教材的研究與開發工作,並在大量調查研究和研發實踐的基礎上,歸納出多媒體教材的研發原則,構建起「大學物理實驗」多媒體教材的基本框架,同時研發了「模擬法測靜電場」 、 「邁克爾遜干涉儀」 、 「氣墊導軌」 、 「液體表面張力的測定」以及「李薩如圖形」等五個實驗內容的多媒體教材。2. based on interoferometric technique, a parasitic interference configuration was introduced to transpose the wavelength - shift signal into phase - shift signal ; the strains were demodulated by measuring the phase change of the signal with a phase - meter
利用干涉技術,採用寄生干涉結構對傳感光柵的反射譜進行波長解碼,用相位計觀測波長漂移引起干涉儀兩臂間相位差的變化,進而監測作用在傳感光柵上的待測應變量。The sensor can compress phase till hundreds of times and extends the range of dynamic measurement. the formulas of light path is presented
該干涉儀使調制相位被壓縮了上百倍,提高了線性度,擴大了動態測量范圍。When the density matrix of the whole ensemble consisted of system - meter is reduced to the microscopic physical system, the system trend quantum decoherence in nature
把由系統與儀器組成的系綜的密度矩陣約化到被測系統部分,於是自然趨近量子退相干。Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple
/ znl (式中c為光速, l為諧振腔長, n為空氣折射率,其值約790mhz ) ,原理上對目前可能要求的測量速度都能滿足;它發出的光為一對互相垂直的線偏振光,與塞曼型雙頻激光干涉儀相比,它不用外加軸向磁場及1 / 4波片,因此結構簡單,造價低廉。In one part, we put forward a kind of decoherent process and decoherent control of quantum dynamical model. the interaction of the meter and the system are divided into two sections. first, the interaction is damping interaction and potential energy
在第一部分中提出了一類量子動力學模型的退相干過程及其控制,在這部分中,我們將測量儀器與系統間的相互作用分為兩種情況來考慮。分享友人