曲線測定器 的英文怎麼說
中文拼音 [qūxiàncèdìngqì]
曲線測定器
英文
curve tester- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。Methodology for absolute measurement is proposed by using an outside installation mechanism in laser tracking measurement system, which has an important reference value in practicality in high accuracy assembly and inspection of large - scale mechanical field. spherical tracking servo mechanism " s model described in this paper not only is a new thought but also have much reference value in the mechanical design and other industrial machines design
本文提出的外置式激光跟蹤測距系統應用於無導軌曲線測量的設計方法在大型機械現場組裝與安裝中具有較高的參考價值和實用價值,提出的球形跟蹤伺服機構的設計思想,不僅簡化了伺服機構,對跟蹤伺服機構的設計提供了新思路,而且對機器人設計及其他工業領域機構設計都具有一定的參考價值。After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data
在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲線進行擬合,計算出相應的能量數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉換線路效率的器件輸出電容cob優化曲線。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall
論文通過分析國內外變曲率回轉體壁厚測量的現狀,提出了雙測頭接觸式測量方案:通過構造理論輪廓母線,建立鉸鏈中心的運動曲線,使鉸鏈中心始終沿運動曲線運動,以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上,從而傳感器測頭所得的數值即為壁厚值,該方案經模擬測試實驗取得了預期效果。Utilizing the sand as the sample, the sand with different water content is measured by d - d neutron generator and d - t neutron generator and the scaling curves are offered. the simulated curves and formulas are offered
以沙子為例,分別用氘氘管中子發生器、氘氚管中子發生器對不同水分含量的沙子進行了測量,給出了標定曲線,並對曲線進行了擬合,給出了擬合公式。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7
本文對微波數字式移相器的基本理論進行了較深入的研究;綜述了各種微波數字式移相器電路的工作原理,著重對加載線式移相器電路進行了理論分析,並根據計算公式作出一系列相應設計曲線;提出利用軟體ansoftserenade8 . 7所提供的測量數據擬合功能,通過測量s參數來確定pin二極體等效電路參數的新穎實驗方法;利用微波電路設計軟體ansoftserenade8 . 7對6位數字式移相器電路進行模擬、優化設計,做出樣品,並對其性能測試分析,對研製微波數字式移相器具有重要的參考意義。We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )
選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛溫度( 650 )和固定支持器初始溫度( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta曲線分析生料熱,減少了升溫速率的微弱變化對測定結果的可能影響;得出生料配比和細度對差熱儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差熱儀適宜的工況條件和工作曲線(及方程) 。Base on the ideal sampling theories, fiber length distributions and figrogram of samples taking from the ideal sliver by actual sampler are studied, and factors affecting the distributions curves are researched into, some basic requests and references of sampling are concluded for the future developing of sampler
摘要在理想的截面取樣理論基礎上,進一步研究了具有一定寬度的取樣夾持器以一定角度從「理想棉條」中取樣時試樣的理論分佈及照影機曲線,並結合實驗分析了取樣影響因素;根據研究結果得出了棉纖維長度測試的取樣要求,為取樣器的進一步開發提供了參? 。In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given
論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮穩定性、運行平穩性以及列車曲線通過等動力學特性曲線。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle
4 .通過研究,最終確定了以模擬插入脈沖計數法測距,冪函數族基最小二乘曲線擬合微分法測速,四象限探測器( qd )光斑定位法測角的脈沖激光雷達整體測量方案。The results of calculation and evaluation showed that the main factors were the precision of standard curve and the excursion of instrument
對測量不確定度進行計算和評定,結果表明,影響其測量不確定度的主要因素是標準曲線精密度以及儀器漂移。Some hardware are used to construct data acquisition system, virtual instrument are used to compile data processing programs. just as expected, according to standard of iec61400 - 13, some diagram and curve are depicted in the end of dissertation, and program can provide life prediction method of wind turbine from damage theories in the end of dissertation
疲勞載荷測試系統通過一定的硬體系統採集相關數據,在數據分析方面使用虛擬儀器軟體進行數據處理,使用功能強大的labview軟體編程,得到iec61400 - 13標準中所要求的曲線和圖表,最後根據損傷理論得到機械部件的疲勞載荷譜和疲勞壽命的估算方法。The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability
測前、測后線性刻度對分析、判定變密度測井曲線的真實性與準確性體現在對井下波列的限幅與畸變程度、檢測儀器的線性放大狀態和穩定程度。Auto - measure the distance from each floor throgh self - studing function ; control the converter using speed curve to park directly with great acuracy
可通過變頻器自學習運行,自動測定各層樓距離通過速度曲線計算控制變頻器運行,實現直接停靠,具有高定位精度Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc
本公司自八十年代初研製生產散熱器系列產品以來,採用國內最先進的生產流水線,工藝精湛,其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法,百分之百達到設計要求,是功率半導體器件的配套散熱元件,運用於多種大、小功率電器熱流高密度、整機設備、電子,電器等領域。The method using an improved osmotic membrane f46 ( made by ethylene polymer ) to separate gases from oil is brought forward. capability of osmotic membrane f46 is discussed too. from a great of experimentations, we get the osmotic balance curve of gases, confirm balance conversion coefficient
2 )研究以高分子透氣膜為特徵的變壓器油在線脫氣技術;提出了一種能有效改進氣體滲透性能的聚四氟乙烯和六氟乙烯的混合膜( f46膜)用於變壓器油氣自動分離,分析f46膜的氣體滲透性能,通過大量的試驗得出氣體滲透平衡曲線,確定油中氣體的平衡轉換系數,為實施變壓器油中氣體在線監測奠定基礎。分享友人