precision test paper 中文意思是什麼
precision test paper
解釋
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Meanwhile, by using delaminating combination finite element method and macro finite element analysis methods, the paper present two kinds of analysis programs. based on the aforementioned analysis program, the failure form, distribution of plastic hinge, load - carrying capacity, displacement and ductility characteristics are investigated to reveal the failure mechanism and the failure proceeding under seismic effects. the results are in good agreement with the test results, indicating the precision of the aforementioned two programs is satisfiable to the practical engineering design
分別採用分層組合式有限元和宏觀有限元分析方法，編寫了2種鋼筋混凝土中高帶邊框柱剪力墻結構的彈塑性有限元分析程序，同時利用上述2種分析程序，研究了模型結構的破壞形態、塑性鉸的分佈、承載力、位移及延性性能等特性，探討了這類結構在地震作用下的破壞全過程與破壞機理，得到其主要受力特性和抗震性能的一般規律，所得結果與試驗值吻合較好，表明上述2種程序分析結果的精度均可滿足實際工程的設計要求，因此可用於這類結構的抗震性能分析與設計。 -
And to test properly will guarantee the quality of the transceiver, of course, the testing must be reliable. the project is to develop a transceiver of and to test it accurately. this paper dedicates to test the tracking precision of the proposed optical intersatellite communications transceiver accurately
考慮到星上應用，作為光通信必不可少的一個組成部分? ?光通信終端的測試、驗證，其意義和光通信終端同樣重要，上星前對終端的測試和驗證必不可少，而且這些測試、驗證必須可信。 -
Abstract : humidity is an important physics unit among wet - hot tests, its exactness test degree badly influences test environmental simulation degree, and that wind speed is an important factor of effect humidity measurement precision, the paper analyses and discusses about it in depth, and puts forward elimination methods
文摘:濕度是濕熱試驗中一個重要的物理量，其精確測量程度嚴重影響試驗環境的模擬程度，而風速是影響測濕精度的一個重要因素，本文對其進行了深入地分析和探討，並提出了消除措施。 -
It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上，結合相關試驗資料，研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度（雙折線型體外筋的情況）以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。 -
At last this paper points out that precision of test can be improved by enhancing reflection level of quiet - zone, and researches the relation of reflection level, precision of test and main lobe of testing radar
最後指出可以通過提高靜區靜度指標要求到達提高試驗精度的目的，並研究了靜區指標與被試品主瓣寬度、角模擬精度之間的關系。 -
Dead reckoning navigation needs little space, but has high precision. the paper solves the navigation system of " tset - 1 " auv based on the sensors available, and a compact soft has been developed. some experience has gotten during the song hua lake " s test
本文針對「試驗- 1號」小型機器人導航系統要求和傳感器的配備情況，從工程實用性出發，完成了導航軟體的開發，並進行了松花湖試驗，這為今後水下機器人導航系統的研究與應用提供了有益的借鑒，積累了一定的經驗。 -
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。 -
Based on the " research on the new method for rotating machine faults diagnosis based on independent component analysis " ( national nature science fund project, no : 50205025 ) and " study on the new method of corba - based distributed calculation tactics construction in remote condition monitoring and diagnosis " ( zhejiang province nature science fund project, no : 501061 ), this paper aimed to the rotating machinery faults diagnosis oriented time - frequency analysis. the emd - based basic theories and methods were studied ; to weaken the emd method ' s end effect, some new data extention means were proposed ; to improve the emd method ' s precision and efficiency, some new algorithms were proposed ; the emd based time - frequency analysis software was designed and developed ; a experiment system at the base of rotor test bed was built to study the ro tor faults diagnosis using the new time - frequency analysis method, then studed several typical faults
本文結合「基於獨立分量分析的旋轉機械故障診斷新方法的研究」國家自然科學基金項目（ 50205025 ）和「基於corba分佈計算策略構建遠程監診的新方法研究」省自然科學基金項目（ 501061 ） ，以面向大型旋轉機械故障診斷的時頻分析為目標，研究了該方法的基本原理和演算法：針對其端點效應等不足，提出了新的數據延拓技術；針對emd演算法的精度和速度上的不足，提出了新的改進演算法；設計和開發了基於emd時頻分析的軟體系統；以模擬轉子實驗臺為基礎構建了實驗系統，並進行了實驗研究。 -
This paper also analyses the affect of signal leaking using the concept of poynting, and puts forward a formula to describe the connection of antenna interval and test precision from theoretics
利用求解波印亭矢量的方法，推導了由於陣面輻射單元信號泄漏所帶來的試驗誤差公式，進而從理論上分析了輻射單元間距對試驗精度的影響。 -
Abstract : in this paper, a kind of technological scheme for one - step precision forging spur gear with large module is put forward by using positive friction role. experiment, in which commercial pure lead is taken as test material, is done in the special die designed, and force vs. stroke curve is recorded. it is shown that positive friction role can efficiently make a contribution to the filling of the tooth cavity, but increase forming force
文摘:針對大模數直齒圓柱齒輪，提出了利用積極摩擦一步成形的工藝方案，並用工業純鉛作為試驗材料，在設計的專用模具上進行試驗，記錄了力? ?行程曲線，結果表明：利用積極摩擦作用能夠有效地保證直齒圓柱齒輪精鍛時齒腔充滿，但同時增加了變形力。 -
This paper brings forward a stable inverted deduce method which point by point in fix layer, for a class of dimension elastic wave problem, and proves that the result of parameter has whole precision for this method, numercal test shows this method is effective and feasible. 1fig., 1tab., 7refs
針對一類一維彈性波反演問題，導出了一種穩定的定層逐點反演方法，推證了該方法的參數解具有整體二階精度，數值試驗表明，該方法是有效而可行的.圖1 ，表1 ，參7 -
With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品（集成電路晶元、印刷電路板等）向著高密度、細間距和低缺陷方向發展，對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此，本文對微電子產品視覺檢測中的關鍵技術進行研究，彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足，最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製，並進行了大量實驗證明其正確性和可行性，力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。 -
Methods based on statistics for dimensional position and data processing were suggested for the calibration of the dimensional angle shown by a programmable dynamic target using linear matrix ccd and video interpretation. studies in this paper show that the programmable target system is functional and capable of testing photoelectric theodolite. consequently conclusions can be drawn that programmable dynamic target is new equipment to tes t photoelectric theodolite, not only can it check and test the performance, but also can measure the precision
得出了初步結論：可編程動態靶標由於配置了位置輸出元件和時間統一系統，實現了位置閉合，能對靶標的運動進行有規律的控制，克服了常規旋轉靶標的固有缺點，可以提供模擬目標的空間標準角，因此可編程動態靶標不僅可以作為跟蹤靶標使用，還可以作為測量靶標使用，是檢測光電經緯儀跟蹤性能和測角精度的新裝置。 -
In order to separate the disturbance signal of the external vibration from dynamic balance measuring signal of the precision centrifuge, this paper analyzes the measuring signal of dynamic balance measurement system of the precision centrifuge ( the inertial navigation test equipment ), the rotary center of the rotor acted by the static unbalance and the couple unbalance is studied respectively, the horizontal external vibration from the foundation and the effects of angle vibration on the dynamic measurement are studied respectively
為從精密離心機動平衡測試信號中分離出外界振動的干擾信號，分析了慣導用精密離心機動平衡測試系統的測試信號，研究了靜不平衡與偶不平衡作用下轉子的回轉中心，分析了來自地基水平方向的外界振動及外界角振動對精密離心機動平衡測試的影響。 -
Moreover, a strategy for imputation of null values based on changed precision model is put forward to improve anti - disturbing ability of model secondly, several primary algorithms are indrouced and discussed, the direction and target of discretization is analysised, to gain logical cuts, a method to discretize continuous attributes based on rough entropy is brought forward at last, the potential client datamining system in electronic commerce is put forward, all given algorithms is applied to the system, and compared by test results, and the new idea of this paper is simply described and some problems in this paper that need to improved on are proposed
然後，對目前流行的離散化演算法進行了詳細的分析和評價，指出了離散化的方向和目標，並提出了基於粗糙信息熵的離散化演算法，以便在保證劃分后決策表相容性的前提下，獲得比較合理的劃分點。最後，提出了電子商務的潛在客戶挖掘系統，並將前面提出的基於粗集的演算法理論應用到該系統中，同時和其他幾種現有的數據補齊和離散化演算法進行了實驗比較和結果分析。並指出本文創新之處以及存在的問題和努力的方向。 -
With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time
本文以高速實時相控陣雷達視頻信號處理為背景，提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構，並且從可測性設計、實時操作系統角度對該系統進行了設計與討論，為高速實時信號處理系統的設計與開發提出了新的解決方案，同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點，然後針對適合於片間并行的adsp - 21060討論了并行計算結構，提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺，分析了它的工作原理。 -
5. by contrasting and discussing the analysis results above, this paper put forwards proposals that are useful for foundation deformation analysis and improving the test precision of load test
5 、將以上分析結果進行對比討論，提出了有益於地基變形分析與提高載荷試驗測試技術精度的合理建議。 -
The researches of this paper are very important and significative job to improve precision of servo - control system of three axis optical tracking test table even all type of electric simulator tables. this paper expounds the structure of simulator
本論文的研究對于提高三軸光學跟蹤試驗轉臺以至於所有電動模擬轉臺的伺服控制系統的精度來說，是一項十分重要和有意義的工作。 -
In order to eliminate the transient current and ensure the test precision, this paper introduces the principle and the method of phase selection of the ac based on fft ( fast fourier transform algorithm )
為了消除暫態電流，本文闡述了一種基於快速傅立葉變換（ fft ）的交流選相合閘技術的原理以及實現方法，保證了檢測精度。 -
And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05
整個系統採用閉環控制結構，使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動電路，可以方便的調節通過tec電流的大小和方向，使tec加熱製冷靈活迅速的特點得到充分發揮;使用比例積分（ pi ）的控制方法使得溫度控制快速穩定;同時，本文還實現了溫控儀與上位機通過串列口和usb口兩種方式的通訊，實現了上位機對溫控儀的遠程控制;最後，對所研製的半導體溫度控制儀進行了性能測試，測試結果表明，半導體溫度控制儀溫控精度達到0 . 2 ，溫度穩定度小於0 . 05 ，滿足了系統設計的要求。
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