飛針測試 的英文怎麼說
中文拼音 [fēizhēncèshì]
飛針測試
英文
flying probe-
Secondly, paper introduces the composition structure and the manufacture craft characteristic of airplanes, describes the structure and the main assembly process and the assembly characteristic of the n # fuel tank section, points out the assembly accuracy control of the n # fuel tank section. thirdly, paper analyses in detail problems which exist in the current riveted assembly of the n # fuel tank section, proposes the improve measures against the existent problems. finally, paper forecasts in theory the positive effect that the new plan will bring, introduces the practical result after approval test, analyses the differences of both
具體做了以下幾方面工作:第一，詳細闡述了工作研究的基本原理;第二，介紹了飛機的組成結構、飛機製造工藝的特點、 n #油箱段的主要結構、 n #油箱段的主要裝配過程、 n #油箱段的裝配作業特點和n #油箱段的裝配準確度的控制方法;第三，具體分析了n #油箱段鉚接裝配生產線現行作業中存在的問題，針對存在的問題，提出了具體的改進建議，並形成了新的改進方案;第四，從理論上預測了新方案將會帶來的積極效果，介紹了新方案在現場試驗驗證的實際結果，並對兩者之間存在的差異進行了對比分析與研究。On the basis of analyzing for the status and the defects of the domestic research and considering its characteristics such as heavy difficulty of man - hour rationing of tooling, two levels of man - hour rationing existing in the enterprise and workshops, and especially its great experience - dependence for the enterprise man - hour rationing, this thesis aimed at designing a computer aided system for man - hour rationing of tooling based on the intelligent decision support technology
在分析了國內研究現狀和不足的基礎上，針對工裝工時定額難度大、企業中工時定額工作分為企業和車間兩個不同的級別、特別是企業級工時定額有較強預測性和經驗性的特點，本文提出構建工裝工時定額智能決策支持系統的解決方案。該系統的設計與開發已基本完成，通過在成都飛機工業公司試用，效果良好。As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory
為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高With the high development of the quantum circuits, the testability of the circuits will become a very serious problem. the method of testability design for rt circuits is proposed in the end of this paper, which has high testability and low hardware cost. only adding one extra mos transistor and two control ports, it can detect all open and short faults in rt circuits
隨著量子電路的飛速發展，由於其本身所特有的高集成度特點，電路的測試必然會成為越來越嚴重的問題，因此論文在最後就電路中常見的開路、短路故障提出了rt電路的可測試性設計方法，並針對具體的mobile電路進行了可測試性設計， pspice模擬結果表明達到了可測試的目的。The range of products includes manual and automatic universal test systems ( bed of nail testers, grid tester ), flying probe testers, test pins, and fixture building and repair software
業務范圍包括手動和全自動通用測試系統、飛針測試機、測試針、夾具製造和維修軟體。With the development of instrument science, instruments are getting more intelligent. the technology of virtual instrument is a new technique in the field of electronic test and measurement
本文運用電子測量技術的前沿技術? ?虛擬儀器技術，針對基於pc機下飛機供電系統的參數測試進行軟、硬體設計。The importantance of database in the aero - engine vibration mortoring system is analysed in chapt 5. according to the requirement of vibration mortoring in flight test, a database has been designed with mircrosoft access2000
最後，本文論述了數據庫系統對發動機試飛和振動監測的重要性，分析了數據庫系統的基本原理、振動監測數據庫的功能和數據需求，使用access2000針對當前的型號試飛設計了振動監測據庫。Aimed at the short time run of the generator, multi - channel and high precision in aircraft test on ground, based on the idea of multi - channel long time record at locale, then playback and analysis, an aircraft electric multi - channel test system based on vxibus is designed, it is proved to have convenience and high test - precision, and well fulfills the need of multicenter test at locale and implements that multilcenter data can be playback and analysed
摘要針對目前飛機地面電氣測試中發電機開機時間短、測試通道多、並且要求測試精度高的要求，按照現場長時間多通道記錄，後期回放處理的設計思路，設計了一種基於vxi總線技術的飛機電氣多通道測試系統，實踐證明該系統使用靈活，測試精度高，很好滿足了現場實驗多通道數據同時測量的要求，並實現了對多個通道數據後期回放及分析處理。Four - point probe measurement technique is one of the most extensive means for examining the resistivity in the semiconductor industry. with continuous progress, semiconductor industry develops at a very fast speed, the integration level of ic becomes higher and higher. presently, the ic production is entering into the age of ulsi, then testings are more and more important
四探針測試技術是半導體工業檢測電阻率時採用最為廣泛的測試手段之一。隨著時代的不斷進步，半導體產業飛速發展，以單晶矽片為襯底的集成電路集成度越來越高，目前正進入甚大規模集成電路（ ulsi ）時代，測試在整個集成電路生產過程中的地位越來越重要。分享友人