高精度計算 的英文怎麼說
中文拼音 [gāojīngdùjìsuàn]
高精度計算
英文
arbitrary precision arithmetic- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 精 : 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 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 高精度 : high-accuracy; high-precision高精度測量 high-accuracy survey; 高精度機床 high precision machine tool
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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In soft, abnegating bald dos operating system, we will realize testing and displaying in real time on windows operating system. in hardware, we use computer as postposition cpu, monolithic processor as front cpu, and link them into simple network. in this way, we will realize a kind of distributing testing system providing with high precision and remote controlled ability
軟體上,屏棄枯燥的D O S界面,使用windows平臺實現實時性很高的實測實顯任務;硬體上,將計算機作為上位機,單片機作下位機,連成簡單的網路,實現高精度的、具有遠程控制能力的一種分散式測試系統。And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。According to the " solid - particle " theoretical model, a theory model of the dynamic burning - velocity of a rocket - portfire in its igniting delay - time cannulation is established, a theory model of the dynamic delay - time is educed. the factors are analyzed, setting position and shape of a igniting delay - time cannulation that affect its igniting delay - time, the theoretical basis is offered to develop the high - level precision rocket - portfire in the air
本文根據「固體粒子」效應理論,建立了點火延期管動態燃速數學模型,導出了點火延期管動態延時控制的理論計算模型,分析了火箭空中點火延期管的安裝位置及其形態對其延期時間的影響,為高精度火箭空中點火具的工程研製提供了理論依據。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積累的大量的經驗及數據,在充分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精度的傳感器檢測手段,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。Afterwards, a new strategy of robust optimization design process of three stages based on tolerance model and taguchi methods is advanced. this process makes full of the intense complementary action of characteristics between tolerance model and taguchi methods. it realizes the result of high accuracy and efficiency by the application of this strategy
之後,充分利用容差模型法和田口方法這兩種方法的優缺點之間所具有的強烈互補性,提出了基於容差模型法和田口方法的三階段穩健設計進程策略,針對工程問題優化模型不同的求解難度,又分成數值計算型穩健設計進程策略和解析計算型穩健設計進程策略,從而實現高效的求解效率和高精度的優化解。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:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出,溫度檢測的偏差對智能流量積算儀的精度影響極大,尤其是飽和蒸汽,測溫電路的精度應設計為遠高於儀表的精度,同時引入一種基於比率法的高精度測溫電路。In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。In the research, the high accuracy pressure sensors and numeric vernier calipers are adopted, and computers are used to collecting and dealing with original data, and managing database
研究中採用高精度差壓傳感器、數字卡尺計量技術,由計算機實現採集控制、數據處理及數據庫管理功能。High order finite difference scheme based on non - uniform meshes for aeroacoustics applications
非等距網格高精度差分方法用於氣動聲學問題計算The advantages of the new method of calculating the vtec including : ( 1 ) because the instrumental bias is considered, the vtec ' s change going with time is closer to their real change. ( 2 ) with the precision of calculated the vtec improved, the vtec can reflect the increase of the vtec resulted from the solar flare
新的求解vtec的方法具有以下優點:考慮了gps衛星和接收機的儀器偏差的影響,計算的電子總量隨時間的變化更接近電離層的實際情況;提高了求解電子總量的精度,計算出的vtec值更能反映耀斑引起的電子總量的增加情況。To settle this problem, one way is to design and make high precision inertial instruments, i. e. gyros and accelerometers. but the inertial instruments " performs are limited with material and technical level. another way is to design and use optimal algorithms
要提高捷聯系統的精度,一方面是設計和製造出高精度的慣性器件,但由於受材料和工藝的限制而較難以實現;另一方面就是設計和採用高精度的捷聯演算法,因而研究一種適用於捷聯系統的高精度演算法就成為急需解決的課題。Arbitrary precision arithmetic
高精度計算The accurate calculation for accident analysis in composite structure concluded lay bricks
砌體組合結構事故分析的一種高精度計算方法There is a closely relationship between the inductance and some problems such as magnetic energy and interaction between coils. so how to calculate rapidly, expediently and precisely the inductance of the coil is an important problem
磁場能量和線圈之間的作用力等問題都與電感密切相關,因此如何快速、簡便、高精度計算空心圓柱線圈的電感就成為了一個重要的問題。The finite precision effect brought by the digital realization of cs and the deterioration of the sequence ' s properties caused by interception have been studied. moreover, after analyzing the effect of the existing ways to improve the performance of cs, especially the perturbation, the effectness of a kind of chaos sequence generator by means of software high - precision computation ( shpc ) has been disscussed
在數字混沌序列方面,本文驗證了混沌擴頻序列由於數字化所產生的有限精度效應、截短所造成的性能下降,同時對目前的改進方法,主要是加擾法,進行效果分析,並對利用軟體高精度計算實現數字混沌序列產生器的方法進行了探討。Abstract : this paper discusses high order numerical model of non - linear boundary equation. by using integral technique, the boundary condition problem is turned into a form initial condition problem. we construct 4 order numerical formula. the convergence theory is given and proved. the examples show that our method has fast convergence speed and less numerical time
文摘:討論非線性邊值問題的一種高精度計算模型.利用積分值將邊值問題轉化為形式初值問題,構造了一類四階精度的計算格式,證明了收斂性.通過算例表明該方法收斂速度高,計算量小The paper uses a high order method to solve incompressible viscous complex flows based on a domain decomposition and matched method, the primitive variable and pressure poisson equation formulation are employed for the numerical solutions of the incompressible navier - stokes equations, in tensor forms, on non - staggered grids
本文採用了一種基於分塊耦合求解粘性不可壓縮復雜流場的高精度計算方法。計算模塊採用原始變量和壓力poisson方程方法,差分方程為張量形式的粘性不可壓縮navier - stokes方程組在非交錯網格上離散。As such in this study, attempt was made at coupling the artificial neural network ( ann ) with the xinanjiang conceptual model with the view to enhancing the quality of its flow forecast
鑒於此種情況本文將人工神經網路演算法同新安江模型相耦合以提高模型預報的精度。計算中使用了近期觀測資料以及模型中徑流流量預報產生的誤差殘差。分享友人