sphere test 中文意思是什麼
sphere test
解釋
圓球試驗-
Test method for determining solar or photopic reflectance, transmittance and absorptance of materials using a large diameter integrating sphere
用大直經積分球測定材料的太陽能或光反射性，透明性和吸收性的試驗方法 -
Specifically, to a test particle, its mass defect is am = m _ ( 0 ) - m, where mo and m are the mass of the particle when it is in the infinity and in the grav - itational field, respectively. to a spherical shell ( or a solid sphere ), its mass defect is am = m _ ( 0 ) - m, where mo is the total mass of the matter scattering in the infinity and m is the mass of the gravitational spherical shell ( or the gravitational sphere ) combined by the matter scattering in the infinity
具體來說，對于試驗粒子，當它由無窮遠處運動到引力場中某點時，其質量由m _ 0變為m ，發生的質量虧損為m = m _ 0 - m ；對于球殼或固體球，當組成球殼或固體球的這些物質分散在無窮遠處時，總質量為m _ 0 ，當這些分散在無窮遠處的物質結合成球殼或固體球時，其質量變為m ，發生的質量虧損為m = m _ 0 - m 。 -
Optical amplifiers - test methods - polarization mode dispersion parameter - poincare sphere analysis method
光學放大器.試驗方法.偏振模式分散參數. poincare球面分析方法 -
Standard test method for luminous reflectance factor of acoustical materials by use of integrating - sphere reflectometers
使用集成球形反射計測定音響材料反光因素的標準試驗方法 -
Chinasat would like to push the commercial user and technology test of domestic digital trunking aggressively, and has basically built the digital trunking service network covering city and suburb in tianjin, jinan, nanjing and shanghai, forming the safeguard ability for emergency communication and command scheduling communication, providing professional scheduling command communication services for governmental public management, port and traffic sphere
中國衛通積極推進國產數字集群的商用和技術試驗，在天津、濟南、南京和上海等地建成了基本覆蓋市區和近郊的數字集群業務網路，形成了區域應急通信和指揮調度通信保障能力，為政府公共管理和港口、物流、交通等領域提供了專業調度指揮通信服務。 -
Optical amplifier test methods - part 11 - 2 : polarization mode dispersion paramater - poincar sphere analysis method
光學放大器試驗方法.第11 - 2部分:偏振模式分散參數. poincar ?蠣娣治齜椒 -
Optical amplifiers - test methods - part 11 - 2 : polarization mode dispersion parameter - poincar sphere analysis method
光學放大器.試驗方法.第11 - 2部分:偏振模式分散參數. poincar ?蠣娣治齜椒 -
Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained
點衍射干涉儀這一物理思想，早在1972年smartt和strong就已發明，由smartt和steel做了進一步發展，並成功的用於檢測天文望遠鏡，它結構簡單，對光源沒有特殊要求，近年來，由於光纖製造工藝以及耦合技術的發展，單模光纖纖芯不斷縮小，為光纖點衍射干涉儀得以發展提供了前提條件，該干涉儀由激光照明，除了檢測會聚波前外，還可以用來檢測反射凹球面，進而應用到單個面形的檢測；另外，光纖點衍射干涉儀最大的優點是不需要標準鏡，在干涉檢測中，標準鏡是檢測精度受限的很大原因，光纖點衍射干涉儀能繞開這一難度，為進行高精度的光學檢測提供了廣闊的前景。 -
In this paper, we brought forward an innovative idea : according to the characteristics of easy deformation of ultra - thin mirror, we employ a sphere mirror, which is easier to fabricate and test, to replace the aspherical mirror, then the sphere mirror is deformed into an aspherical one by active optics technology. on this purpose, we need to study the mechanism and method of shaping a spherical mirror into an aspherical one
由於非球面鏡的加工和檢測都比較困難，因此本文提出了一個大膽的設想:利用超薄鏡易於變形的特點，以加工和檢測難度遠低於非球面的球面來代替非球面，運用鏡面的主動控制技術將球面反射鏡變形成所需精度的非球面反射鏡。 -
Asm 1. 0 contains the entire ccos process, including best - fit sphere calculating, profiler test and anslysis, virtual grinding and polishing, cnc grinding and polishing, etc. as results, the manufacturing process of a f / 1. 17, 770mm x 200mm rectangular even high order off - axis aspheric mirror is presented as an example in detail
最後，比較詳細地介紹了770mm 200mm ， f 1 . 17高次離軸非球面反射鏡的加工、檢驗過程，加工后200mm口徑范圍內加工精度達到0 . 013 rms ，完全滿足了設計要求。 -
Test method for calibrated diameter of motorcycles and mopeds rims using sphere - string ruler
摩托車和輕便摩托車輪輞標定直徑檢驗方法.球帶尺檢驗方法 -
An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors
在ccos控制模型及理論計算方面，提出了一種適用於高次離軸非球面最接近球面計算的優化演算法，經計算，某矩形離軸非球面最接近球面半徑的求解精度較傳統的「三點法」有了較大的提高，理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ；提出一種基於磨頭與工件的相對位移量的控制模型，並且開發了阻尼卷積迭代演算法，引入「虛擬加工」的概念進行迭代求解和參數評價。 -
Finally, theoretical results and the fatigue test data of equal amplitude are combined, which is introduced the conception of " range of hotspot stress ", and the method of fatigue design for grid structure with bolt - sphere joints is obtained in this paper
最後，將本文的理論研究成果與常幅疲勞試驗數據相結合，並引入「熱點應力幅」的概念，建立了螺栓球節點網架結構的疲勞驗算方法。 -
Test method for measurement and calculation of reflecting characteristics of metallic surfaces using integrating sphere instruments
用積分球儀測量和計算金屬表面反射性的試驗方法 -
In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.
在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。 -
Falling sphere test
落球試驗 -
In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。
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