綜合孔徑 的英文怎麼說
中文拼音 [zōnggěkǒngjìng]
綜合孔徑
英文
aperture synthesis-
He baoyu ( aerocraft design ) directed by wu ji synthetic aperture technology in radio astronomy is introduced into microwave radiometer since 1980 ' s
八十年代以來，為改善微波輻射計性能，人們將射電天文觀測中的孔徑綜合技術引入到微波輻射計設計中，開始了綜合孔徑輻射計的研究。Radio astronomers are now able to synthesize the response of a partially filled aperture of large diameter and thus to map variations in nebular brightness.
射電天文學家現在已經能夠把部分充滿的大直徑孔徑進行綜合，從而描繪出星雲亮度變化圖。The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。Now developing successfully “ gearbox synthetic inspection instrumentation ” can measure simultaneously the first and second bearing bore diameter and verticality parameters of gearbox case. information acquisition and data processing is controlled by computer. the instrumentation improves the inspection efficiency and meets the demand of mass - produced
本課題研製的變速箱殼體綜合檢測儀可實現在線檢測變速箱殼體一軸軸承孔直徑、二軸軸承孔直徑、一軸端面垂直度、二軸端面垂直度等幾何參數。Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised
首先，按照角度的不同，將系統劃分成許多模塊。其次，對硬體設備? ?攝像機，鏡頭，雲臺，防護罩，解碼器等的工作原理進行了闡述，再次，以人的成像辨認的經驗判據為依據，結合系統的其它指標，設計計算出鏡頭的焦距f 、相對孔徑d ，同時確定攝像機的型號，並計算出紅外燈光源。最後，對綜合控制箱進行設計，指出了設計的意義，實現的功能，並附上了綜合控制箱的外形圖。This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars
本文介紹一種確定光學系統參數的新方法，包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場；根據所選取的參數預計星敏感器的捕獲概率；採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration
邊界層反映了儲層、流體物性條件（儲層孔隙度、滲透率、流體粘度、組分）和開發條件（壓力梯度）的綜合影響，認為邊界層厚度隨著毛管半徑的增大而減小；在毛管半徑相同的情況下，邊界層厚度隨壓力梯度的增大而減小，最後達到一個臨界值；毛管半徑一定時，邊界層厚度隨粘度增加而增大；極性組分含量越大，吸附越明顯，邊界層厚度越大；邊界層厚度越大，非達西滲流特徵越明顯。Through this technique, a substantial reduction can be obtained compared to a conventional radiometer, at the same time, the contrary between the space resolution and system volume is well solved
利用該技術，綜合孔徑輻射計的天線結構得到有效的稀疏，解決了原有輻射計在空間解析度與天線物理尺寸間的固有矛盾。As a crucial consideration of the synthetic aperture radiometer system design, the choice of spatial frequency samplings is always the issue among people ' s discussion
如何有效的稀疏天線陣，從而使天線單元的排布最優是綜合孔徑輻射計設計中需要首先解決的問題。Synthetic aperture radiometer applies the interferometric principle to sample in the spatial frequency domain and retrieves the image by fourier or other numerical transformation
綜合孔徑輻射計利用孔徑綜合原理在空間頻率域中采樣，通過傅立葉變換或其他數學變換獲取反演亮溫圖像。Optical aperture - synthesis imaging
光波綜合孔徑成象The impact of space weather on performance of synthetic aperture radars
空間天氣對綜合孔徑雷達性能影響的理論研究Synthetic - aperture radar
綜合孔徑雷達Study on image theory of high resolution two - dimensional synthetic aperture microwave radiometer
二維綜合孔徑微波輻射計成像理論與方法研究In this dissertation, a measurement set - up called image simulator is presented
本項目針對一維綜合孔徑微波輻射計系統研發出一種裝置? ?圖像模擬器。Synthetic aperture microwave radiometer represents a new technology being developed for passive microwave remote sensing
綜合孔徑微波輻射計是被動微波遙感發展的新方向。It simulates the incoming waves to the thinned antenna array corresponding to any image scene to be measured
所以，可以用它來方便可靠地測量綜合孔徑微波輻射計接收機部分的g矩陣。Aperture synthesis uses interferometry technique to improve the limitations set by antenna physical aperture while working at lower frequency. phase and amplitude calibration of the visibility samples must be carried out to compensate for system bias before measurement
綜合孔徑技術利用了以小口徑天線陣列合成大的觀測口徑的技術，解決了在較低頻率時天線物理口徑要足夠大才能得到期望的空間解析度的嚴重缺陷。The incoming wave is then simulated by computer program to drive each of the digital iq vector modulator. the design and test of the image simulator is presented and followed with test results of g - matrix
本文詳細介紹了圖像模擬器的研製過程，包括關鍵器件iq矢量調制器的自動標校系統的實現，最後給出了x波段綜合孔徑微波輻射計接收機的測試g矩陣。Consisted of adsp21060 - sharc parallel 32 - bit floating point dsp, distributed parallel system and shared bus parallel system will satisfy signal processing tasks in sar application fields. this paper discusses range - doppler ( rd ) algorithm and two - dimension detachable algorithm in the side - looking model in synthetic aperture radar ( sar ) respectively, then studies the realization on multi - chips adsp21060 sharc dsp system
以美國ad公司的adsp21060 - sharc （超級哈佛結構計算機）系列并行32位浮點dsp構成的分散式并行系統和共享總線式并行系統，可以滿足綜合孔徑雷達（ sar ）應用領域的信號處理任務。分享友人