高度測量術 的英文怎麼說
中文拼音 [gāodùcèliángshù]
高度測量術
英文
altimetry- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 高度 : altitudeheightelevation
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology
該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character
本文對燃油管理系統的工作原理和可靠性設計等問題進行研究,以明晰燃油管理系統的總體設計思路;並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究;提出了一種基於catia軟體的燃油質量特性計算方法;論文最後探討了燃油管理系統的未來發展方向。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。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。The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm
研究了利用gps校準零點、帶溫度補償的氣壓高度測量技術,通過曲線擬合與數字濾波技術,設計了具有較高解析度的氣壓高度測量通道。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Through the simulation and error comparison between classics regression model and neural network model, it showed that bp should be applied in liquid concentration measurement system to improve measurement accuracy and decrease the non - linear effect from temperature
通過模擬研究,與傳統的回歸模型進行誤差對比,得出了應採用bp神經網路技術建立智能化液漿濃度測量模型,提高測量精度,克服溫度變化非線性影響的結論。The figure of the part ' s original shape depend on digital equinpent mostly. digital equiment is divided into two big types, contac ttype and uncontact tyope. the contact type decelop with the optical and electonic element applied widely. uncontact measurement is rapid. the measured part is not scared, but it requirethat the measured part ' s surface can glisten. cmm is typical delegate of contact measurementcomparing to uncontact measurement, cmm is slow, but it has upper measurement precision. in range of required figure precision, it will affact the selective way of moddfile cuver
由於其測量過程是利用光學方法進行的,從而對被測物體的表面提出了一定的要求,表面反光或全黑的物體都不適合於光學方法進行測量,或者說當遇到這樣的被測物體時需要更復雜的光學技術來保證測量的順利進行。坐標測量機( coordinatemeasuringmachine , cmm )是接觸式數字化設備的典型代表。和非接觸測量方法相比, cmm雖然在數字化速度上比較低,但是它具有較高的測量精度。A sil flying head is designed to keep the distance between sil and recording medium in near - field range. a sil optical data storage system is built up when the recording head is combined with sil flying head. meanwhile, using astigmatic focusing error detection technology and twin optical pick - up heads, a novel nontouching nanometer measurement method is developed to measure the flying height of sil, and provides us with a powerful tool to optimize the design of sil fly head
在sil存儲技術研究方面,首先提出一種光學玻璃熱熔加工製作sil的新方法,該方法克服了小半徑球透鏡加工的難題,成功製作出了半球固體浸沒透鏡;設計了sil飛行頭系統,並利用光學頭像散法聚焦誤差檢測原理,設計出一種雙光學頭sil飛行高度測量方案,實現了sil飛行頭飛行高度的測量。They mark the top class of temperature measurement technology and perform well in all applications from a ships diesel engine to a kitchen stove : remote reading thermometers from tecsis the best selection worldwide
它們代表了溫度測量技術中的最高等級,在所有應用中都有良好的表現,從輪船的柴油機到廚房的電爐: tecsis的遙測讀數溫度計是全世界最好的選擇。Technology precision measures for weak light signal power
微弱光信號功率的高精度測量技術The error sepaation technology ( est ) and a special data processing program have been adopted to improve the measurement accuracy sucessfully
該法運用誤差分離技術,並且編制了一套數據處理程序,有效地提高了測量準確度。General in biochemical analyser test process, firstly, use biochemical reactions hin color response to statistical samples in a particular wavelength solution with the greatest absorption peak, and then use ultraviolet and visible spectroscopic measurements to test the absorbency of material to the specific wavelength, the final adoption of bill law to calculate the corresponding material concentrations
由於利用了以上先進技術,儀器的測量速度和精度都有了大大的提高,目前新型生化分析儀0 . 2秒即可完成一個樣本點的測量,並已經成功實現了雙波長測量法,提高了測量結果的精度。It has been proved by theories studies and simulation experiments that polarimetric sar interferometry makes it possible to improve the measurement precision of the under - vegetation terrain and to estimate the height of vegetation targets, and that the performance of the new improved algorithm is better than that of the conventional algorithm
通過理論研究和模擬實驗可見,應用極化sar干涉技術測量地形參數能提高測量的精度,並為測量植被覆蓋下的地表地形和估計植被高度提供了可能。本文提出的改進演算法比原有的演算法具有更高的測量精度。In this project the main hardware are atmega162 and pdiusbd12. atmega162 is avr micro - controller of atmel corporation with high performance and high speed. pdiusbd12 is the product of philips and it ’ s of usb1. 1 standard
本課題提出了以愛特梅爾公司的高性能、高速度的avr單片機atmega162與具有usb1 . 1技術規范的philips公司的pdiusbd12晶元構成曲軸角加速度測量系統的硬體框架。It has many unique advantages compared with laser interferometry. and it can achieve higher accuracy and resolution than traditional geometry moir. it has been proved to be very useful in many practical applications, such as microelectronics, ultra - precision manufacturing, bioengineering, medicine, space technology, and material science, etc. in this dissertation, key technologies of nanometer displacement measurement by grating interferometry are systematically investigated, which mainly include measuring theories, designing grating interferometer and new subdividing method for moir interference fringes
作為能夠實現納米級位移測量的技術之一,光柵干涉位移測量技術具有激光干涉儀不具備的獨特優點,可以獲得比幾何莫爾術更高的測量準確度、更高的解析度,在諸如微電子、超精加工、生物工程、未來醫學、航天技術、材料科學等眾多領域有廣泛的應用前景。Application of high resolution measurement technique with area ccd
高精度測量技術的應用The function, which the at89c55 system can complete identifying and ratio disposal, as well as the computing and showing of the parameter, can ensure the performance of the measuring system, such as the measurement resolving power, precision and stability and so on
上述測量得到的兩路的信號是通過單片機at89c55對其數據進行分析、處理。單片機系統完成的識別和比值處理、各參數的計算及顯示功能,保證系統的測量解析度、測量精度、高穩定性等技術指標。This method is the amalgamation of wavelet decomposition, relevance process and average, which can raise the signal - to - noise ratio and improve the accuracy of system
該方法融合了小波分解、相關過程及累加平均等技術,能有效地提高系統信噪比,保證溫度測量的精度。On the one hand, the definition of meter can be trace to the source via the step height in the surface measurement technology ; on the other hand, the problems of measurement of step height occur almost everywhere in the industrial domain that relies mainly on semiconductor manufacturing
表面臺階高度測量在表面計量學中有十分重要的作用。一方面,表面測量技術通過臺階高度可以溯源到米的定義;另一方面,半導體製造業為主的工業產業中涉及大量的臺階高度的檢測問題。分享友人