現實測驗 的英文怎麼說
中文拼音 [xiànshícèyàn]
現實測驗
英文
reality testing- 現 : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 現實 : 1. (客觀存在的事物) reality; actuality 2. (合乎客觀情況的) real; actual
- 測驗 : test; trial run; examination; testing
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Also, this paper studies the amendable methods of dynamic numeration model, and bring forward that optimized method can revise finite element model, while validating the construed results of structural mode is almost equal to true values
本文研究了各種動力計算模型的修正方法,針對有限元程序,提出了用優化的方法實現結構動力有限元模型的修改,通過算例驗證,結構模態分析結果更接近於實測值。Starting with the astronomic factors which induce the tide phenomenon, this paper introduces a method of nonharmonic analysis neural network to predict tide, and this method is used to calculate the real tide of 2002 at hongkong tide station and the result are compared to the observed data
摘要文章運用非調和法,直接從引起潮汐現象的天文因素入手,以2002年香港驗潮站實測資料為例,用神經網路對潮汐知識進行了學習模擬,對未知結果進行了預報。Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed
利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由於實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too
比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點,探討了在減壓拖曳水池中實現實船自航點的方法,並進行了兩只螺旋槳模型的脈動壓力測試,經與空泡水洞中脈動壓力的測試結果進行比較,說明該項測試是成功的,同時也對脈動壓力的理論預報結果做了驗證。In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition
在論文中,考慮到壓力管道的一維性質,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈性波反射方法進行損傷檢測中,不考慮截面效應對彈性波的衰減影響,這就對損傷檢測造成一定的影響,本文考慮截面效應的影響,通過實驗來確定截面效應系數。By simulating river plume evolution under the combined action of tide and estival wind field averaged over many years, we have found that the modeled salinity distribution is consistent with the observed one rather well, which means the river plume development plays an important role in adjusting the salinity distribution in the surface layer of bohai sea
通過檢驗河流羽流在潮汐和渤海夏季多年平均風場共同作用下的發展特徵,發現計算得到的表層海水鹽度分佈與實測值相當吻合,因此可以認為河流羽流發展對于渤海夏季鹽度分佈起著重要作用。These days even most creationists acknowledge that microevolution has been upheld by tests in the laboratory ( as in studies of cells, plants and fruit flies ) and in the field ( as in grant ' s studies of evolving beak shapes among gal pagos finches )
現在甚至大多數創造論者都承認,微演化經得起實驗室研究的考驗(例如以細胞、植物、果蠅完成的實驗) ,以及田野測驗(像是葛蘭特在加拉巴哥群島上研究雀鳥喙嘴形狀的演化) 。The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus
本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。The modified pdr method is used to design a practical projects. although the calculated average displacement of the building is less than the actual measurement. it is acceptable
對某工程實例進行了現場試驗,測試了基底壓力和樁頂反力,並對該工程作了沉降觀測。Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control
在太沙基和比奧固結理論的基礎上,先分析了此次試驗的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算,並與實測值作對比分析,得出了真空堆載聯合預壓下的沉降量估算公式,能反映「真空」加固過程的變化規律;同時根據現場和室內試驗,分析了軟土強度的變化,以及給出並驗證了工后沉降控制標準。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。Subsoil - field testing - part 4 : field vane test
心土.現場測試.第4部分:現場的十字板剪切實驗With the frequency division of wpd, etm uses shannon entropy as the criterion of determining whether or not dsi exist in certain wpd tree nodes and interference are suppressed successfully. lots of simulation data, lab data and on - site data have indicated that etm works with good efficiency, without pre - knowing of dsi information, extracts the phase of pd pulses accurately and can calibrate quantity of single type discharge
大量的模擬數據、實驗室實測數據以及現場實測數據處理結果表明,小波包變換熵閾值法抑制干擾能力強,無需事先確定干擾的分佈,能夠準確檢測局部放電信號的相位信息,對于單一的放電類型,可以確定放電量的大小。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。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。The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此,本文提出在實驗室條件下,利用現代測試技術,就分離篩的振動及其對主梁的動載作用作研究。By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing
主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有效性。In the end it forms instructional framework : theory base are constructivism and humanism ; instructional method are task - oriented and curriculum integration ; learning methods are including self - directed learning, cooperative learning, accepted learning and inquiry learning ; instructional organization forms consists of collective education, individual study, group interacted learning method, utilizing behavior evaluation system aided by investigating in instructional evaluation ; instruction environment is made up multi - media classroom, video and audio laboratory, computer classroom. the fourth part takes the no. 2 primary school of lanzhou refinery company as practicing object, exploring its teaching practice
最後設計形成了以建構主義、人本主義為理論基礎、以任務驅動法和課程整合法為主要教學方法、以自主學習與合作學習,接受學習與發現學習相結合為主要學習方法、以集體授課,個別化學習和小組相互作用相結合為主要教學組織形式、以表現性評價為主,調查測驗為輔的教學評價方法,以及以多媒體教室、電教實驗室、計算機室為主要教學環境的信息技術課課堂教學格局。It analyzes the dynamic response of many different damage cases of simple i - shape beam structure and discusses their influences to natural frequency and modal curvature. it is found that the natural frequency and modal curvature can be used in identifying the severity and location of structural damage respectively. dynamic response of some real beams are measured and compared to the results analyzed by computer, it is found that there are some differences between them and the main reason is the error caused by modeling
2 .針對土木結構中最為常見的梁式結構,對簡支工字鋼梁的多種不同損傷工況的動力特性進行了有限元模擬分析,研究了損傷對頻率和模態曲率的影響,發現固有頻率變化率和模態曲率的變化分別可以用於損傷程度和損傷位置的識別;在實驗室中實測了幾種工況的鋼梁的振動模態,發現實測結果與計算結果有一定的差異,分析其原因主要是模型誤差和噪聲影響。分享友人