相位測量系統 的英文怎麼說
中文拼音 [xiāngwèicèliángxìtǒng]
相位測量系統
英文
phase measuring system- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 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
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 相位 : phase position; phase
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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A noncontact 3 - d position measurement system is introduced in this thesis. the system is composed of a planner array ccd detector, real time image analysis and quick data calculation system, which can survey the positional relationship between the haloid lamp objects on the emissive vehicle and the measuring system on the loading vehicle
本文研究了一種簡單、新型的非接觸三維位置測量系統,該系統由一組ccd探測器、實時圖像處理及快速數據解算系統組成,對發射車上鹵鎢燈目標在測量坐標系中的三維坐標x 、 y 、 z值和發射車軸線相對測量坐標軸的夾角進行測量。A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )
在yj ?緊裝式六面頂壓機上,對原有的礦物、巖石電性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器,使用mo電極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。The instrument is integrated with a multi - channel high precision open circuit potential measurement system for the ion selective electrode and a potentiostat used in voltammetry, an analog lock - in amplifier is also presented to measure the response of light addressable potential sensor
對于不同的測量技術,儀器中集成了用於測量電極的多通道高精度開路電壓測量系統和用於溶出伏安法測量的多路電化學測量系統,以及用於測量光尋址電位傳感器的鎖相放大器。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。1 ) based on the theory and application of gps, the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied. the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages, and the advantages and disadvantages of using those types are pointed out. 2 ) the various factors, which influence positioning accuracy, are analyzed in this paper
論文的主要內容和研究成果如下: 1 )簡要介紹了gps的原理和應用,論述了rtk ( realtimekinematic ) - gps載波相位測量(通常簡稱為rtk )系統的組成和工作原理,通過對rtcmsc - 104電文的分析,比較了rtk電文type18 19與type20 21的差別,指出分別使用這兩電文實現rtk的利與弊。In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl
通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息;在此基礎上,西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離,建立了一種對工件進行三維描述的數學模型,照此模型對工件進行立體重構;識別出工件的各種檢測信息,提出一種對公差信息進行描述的數學模型,井與三維立體相結合,生成有檢測意義的三維實體;根據三坐標機的測量系統,生成相應的檢測規劃;另一方面,作為cmis的一部分,應具有與cad cam軟體之間的數據交換功能,本文還開發了iges輸出介面,採用opengl繪制三維空間曲面,向用戶展示其全面信息。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。This paper presents the establish process of motorcycle valve phase and compression ratio measuring system during the development of motorcycle engine for the jia ling industry group
本文介紹了嘉陵工業集團摩托車發動機開發中,氣門相位和壓縮比測量系統的建立過程。This paper firstly analyses the various reasons and dangers caused by unbalanced rotors according to information and experiments, after these, different balancing methods for different types of unbalancing rotors were discussed. on the basis of the theory that discussed above, the paper analyses different types methods of measuring especially wattmeter measuring system and character of signals of hard bearing dynamic balancing system and designs a hard - bearing microcomputer - based measuring system for different types of hard bearing dynamic balancing machines. using advanced technology both in hardware and software of the modern, this system aims to reach the general goal of great mass, high precision, easy - to - operate and lows cast
本文在文獻資料和實驗的基礎上,分析了轉子不平衡產生的原因及危害,論述了各類不平衡轉子的平衡方法,在此基礎上根據生產實踐的需要,以mcb - 980通用硬支承平衡機為基礎,以剛性轉子為研究對象,分析各種測量方法尤其是瓦特表測量系統的優缺點及力測量動平衡機系統的信號特點,建立了一種新的剛性轉子雙面動平衡的數學模型,分析了求取動不平衡量大小和相位的原理,在此基礎上開發了一種以工控機為主機的硬支承動平衡機微機化測量系統。In order to ensure the real - time monitor this design choose special dsp chip and high - efficiency a / d transfer chip, the former ensure the time is enough to complete the calculation. tests proved that this equipment can satisfy the requirement of international standards about harmonic detection
論文提出了基於dsp的電能質量在線檢測最小測量系統的設計方案。論證了用於電能質量檢測系統的a / d轉換器的位數應大於等於16位,才有可能使各次諧波的檢測精度達到小於1 %的相對誤差。At present the usual methods of liquid level measurement is mostly based on the measurement and transmission of electrical signals, so it brings inflammable and explosive problems. according to measurement requirement under the special circumstance, the author of this paper presents the oil tank monitoring system based on the optical fiber technology
目前常用的液位測量方法大多以電信號進行測量和傳輸,因而帶來了防燃防爆等問題。本文針對特殊工況下的測量現場要求,提出基於光纖傳感技術的油罐監測系統,它與傳統的測量系統相比,測量現場完全無電,可應用於易燃易爆場合。In the paper, the design of the real - time test system for crystal parameters is presented. the signal generator of sweep frequency based on dds device ad9852, the signal measuring circuit based on gain and phase detector ad8302, and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details
本文闡述了晶振實時測量系統的設計,介紹了以dds晶元ad9852為核心的掃頻信號源電路,以增益相位檢測器ad8302為核心的信號檢測電路,以dsp晶元tms320vc5416為核心的實時控制與運算電路,以及高速數模混合電路板的設計方法。The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc
本文主要研究調幅式電感位移傳感器精密測量系統中涉及的高精度載波信號發生技術、高精度數字相敏檢波技術、數字濾波及線性擬和等關鍵技術,目的是進一步改善調幅式電感位移傳感器精密測量系統的測量精度,適應納米級測量的要求。Furthermore, it is insure that the carrier pahse measurement data does not have cycle slips in gps based attitude determination system, using phase rate prediction algorithm and baseline length constraint information algorithm, the cycle slips can be detected and corrected successfully, which markedly reduce the initialization numbers of attitude determination system
此外,在gps姿態測量系統中,必須保證載波相位觀測數據中無載波相位周跳,本文提出的多普勒預測演算法和基線長度約束相結合的方法能有效的檢測和修正載波相位整周模糊值固定前和固定后的周跳問題,減少了姿態測量系統重新初始化的次數。A design of phase measurement and generate based on fpga
的相位測量發生系統設計A gis pd measuring system is established, including a conventional pd measurement system, uhf detecting system and a pd spectrum system. we can obtain pd signal characters by this system, such as uhf transient signal waveforms, uhf demodulating signal waveforms, the pd phase angle in ac, pd spectrum, and discharge quantities
建立了gis局部放電測量系統,其中包括:常規局部放電測量系統、超高頻檢波測量系統和放電頻譜測量系統等,通過測量系統得到了gis內局部放電的超高頻暫態信號波形、檢波信號波形、工頻相位分佈、頻譜特徵以及常規視在放電量等特徵。The influence of illumination conditions on the detector and temperature in sample cell was investigated. and a method of calibrating laser trap stiffness using brownian motion in the condition of low sampling frequency was studied. furthermore, in order to study the mechanisms of polymerizaton and depolymerization of tubulin under different conditions such as ph, temperature, and biological factor, a flow sample cell with temperature - control system was designed and fabricated
在本課題研究中,一方面,我們建立和完善了一套國內領先的可以進行納米量級位移及pn量級力測量的光鑷系統,對光鑷系統本身的一些相關技術做了進一步的研究,提出了在低頻響條件下用布朗運動測量光阱剛度的方法,研究了光鑷系統中照明條件對樣品池中溫度及四象限測量系統的影響,並設計製作了用於微管實驗的流動樣品池,實現了對池內溫度的控制。The measurement system can automatically control the movement of servo motor and communicate with vna through gpib bus to setup the measurement variable automatically, measure the phase of s parameter. it also can progress the measurement data on the background, display the results by graph data, store them in the data files
系統自動控制伺服電機的運行,對測試探頭完成指定的移動定位;通過gpib總線與矢量網路分析儀器通信,自動完成相關測量參數的設置以及s參數的相位測量;對測得的數據進行后臺處理,將結果以圖形、數據文件的方式顯示、保存。The purpose of subject is to achieve the phase difference measurement of two 50 hz sine signals. based on the further analysis about all kinds of phase measurement system, the research of phase measurement system for 50 hz sine signals is made in the paper
本課題是以實現兩路工頻正弦信號的相位測量為目的,在對國內外的各種相位測量系統進行了深入分析的基礎上,針對相位測量系統的各個環節進行了研究。According to the work flow, the entire system can be divided into several blocks : signal adjust model, data acquisition and management model, lcd display and data transmission units. these units can be subdivided single function parts, which are designed and tested respectively
根據相位測量系統的工作流程,將整個系統分為信號調理模塊、數據採集和處理模塊、液晶顯示和數據傳輸模塊,再細化分成功能單一的模塊,然後對這些模塊分別進行設計和調試。分享友人