積分精度 的英文怎麼說

中文拼音 [fēnjīng]
積分精度 英文
integral accuracy
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. For the first time, on the view of algorithm and experimental system, the author analyze all the factors influcing the diagnose accuracy. on the basis of these analyses, " window " and convolving function with the best accuracy are selected, at the same time, the formulas of errors are deduced

    在理論析基礎上,選擇了具有最佳測量的窗函數和卷函數,並對演算法進行了改進,提高了計算;對實驗系統各部對測量的影響也進行了定量析。
  2. Intermittent transmission decollators are a new kind of hi - speed precise decollating organization, which can perform intermittent decollations, with characteristics like hi - precise decollation, smooth operation, wide transmission torque, position auto - locking, compact laid - out, small in size, low noise, and good durability

    高速割機構是實現間歇運轉新型機構,具有高、運轉平穩、傳遞扭距大、定們時自鎖、結構緊湊、體小、噪音低、壽命長等優點。
  3. In order to improve the precision of colorimeters, photoelectricity integral colorimeter principle error emendation is studied

    摘要為了提高色差計的,對光電式測色色差計的原理誤差進行了研究。
  4. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski線圈的數學模型對溫和外界干擾磁場的影響進行了析,得出了溫造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上析了干擾磁場對線圈的影響;析了溫器的影響等。
  5. According to prevenient experience and data, we modify all disfigurement and adopt advanced computer technology, automatic control technology and precise transducer through absorbing latest technical achievement at home and abroad, which makes the third generation sample have lots of good characteristics such as convenient manipulation, high credibility, good stability and simple maintenance and so forth

    第三代樣機設計中我們根據以前累的大量的經驗及數據,在充吸收國內外控制領域最新成果的基礎上,修改了以前所有的設計缺陷,採用了先進的計算機技術自動控制技術和高的傳感器檢測手段,使得系統具有操作方便可靠性高穩定性好和易維護的特點。
  6. The signal generator null sensitivity affects the accuracy and resolution of measurement because the gyro is an integrating device.

    因為陀螺是一種裝置,所以信號發生器的零位靈敏影響測量和測量
  7. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結析了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航不高,後者雖然比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  8. The spindle flowmeter and the especially designed totalizer highly improve the precision of measurement, and the measuring system made up of them is very easy to use

    置於測量現場的多臺算儀與上位pc機之間可以通過rs - 485串列總線進行數據傳輸,構成高散式測量網路。
  9. Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam , the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced

    文摘:在析飽和蒸汽和過熱蒸汽密的數學模型的基礎上指出,溫檢測的偏差對智能流量算儀的影響極大,尤其是飽和蒸汽,測溫電路的應設計為遠高於儀表的,同時引入一種基於比率法的高測溫電路。
  10. The transducer made by this research not only has the feature of measuring high precision and good currency, but also the mini volume and light weight, convenience to take, it is suitable for the scale and analysis of ulf absolute vibratory signal in production

    根據這種方案研製的傳感器系統不僅測量高、通用性好,而且體小重量輕,攜帶方便,適合在生產現場對超低頻絕對振動信號進行測量與析。
  11. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型有源電網調節器運用變結構控制策略,調節電力電子開關模式,以獲得預期的平衡電壓,對串聯型有源電網調節器提出了模糊變結構控制方法,使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點,又減弱了滑模控制的抖振,提高了系統的穩態,使系統具有良好的動態和靜態性能,模擬試驗表明該控制策略是一種十有效的控制方法。
  12. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直佈模式,得到這兩個地區4 - 7月各月的隨高而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高處為5 - 10 ,表明該方法已具有實用可接受的
  13. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚要求、吸收劑體要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚變量的約束條件,實現了多層單組吸波塗層對重量輕的要求;通過動態跟蹤厚變量的約束條件和吸收劑體數的約束條件,實現了多層多組吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的頻段吸波性能要求。
  14. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料,高層及大跨民用建築的徐變析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變方法進行.從徐變系數的定義出發,利用中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數析徐變的有限元法和應用徐變析徐變的初應變法在效率和上的差別,並建議應從概念設計的角出發,採用徐變的初應變法來估算徐變對高層及大跨民用建築的影響
  15. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料,高層及大跨民用建築的徐變析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變方法進行.從徐變系數的定義出發,利用中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數析徐變的有限元法和應用徐變析徐變的初應變法在效率和上的差別,並建議應從概念設計的角出發,採用徐變的初應變法來估算徐變對高層及大跨民用建築的影響
  16. Large flux circulated, large area delaminating filtered, and filtering precision can be up to 0. 5

    大流量循環,大面層過濾,過濾可達到0 . 5 。
  17. Analysis of the accuracy of the spatial discretization schemes for surface integrals in finite volume method

    有限體法中面離散格式的
  18. Comparing the coordinate resolution method and the on - the - spot range measuring method, especially their accuracy analyses, this paper obtains the tolerance formula which is proved to be more reasonable

    通過對坐標解析法和實地量距法測算面析和對比論證,推導出相應的比較合理的房崖面測算的限差公式與等級。
  19. Furthermore, it can not give the electric signal relative to wavelength, so it is not fit for the auto - controlling in the industry manufacture. many researchers focus on the demodulating bragg wavelength and achieve some demodulation technologies. the paper presents several demodulation technologies used commonly at home and abroad

    論文介紹了幾種目前國內外較為成熟的解調技術,並對這些解調技術的實驗原理和優缺點進行了析,通過比較得出:可調諧f - p腔濾波解調法具有體小、高、價格低廉、穩定性好等眾多優點,適合於實際工程使用,有廣泛的應用前景。
  20. Sar interferometry is an established technique for the estimation of the height location of scatterers, through the phase difference in images acquired from spatially separated locations at either end of a baseline. interferometric synthetic aperture radar ( insar ) can provide accurate digital three - dimensional topographic measurement with all weather conditions day and night

    干涉合成孔徑雷達( insar )利用合成孔徑雷達( sar )系統從空間離的兩個位置對同一區域成像,由相位差與路徑差的關系來提取目標的高程信息,能夠全天時、全天候的獲取大面、高三維地形數據。
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