正式采樣 的英文怎麼說

中文拼音 [zhēngshìcǎiyàng]
正式采樣 英文
officially drawn sample
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 采名詞(采地) feudal estate
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • 正式 : formal; official; regular
  1. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項的性質;針對主觀像差儀波前斜率方案,提出了採用帶標準化因子的zernike多項對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt交化求解法,用於確定重建模型中的未知模系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  2. 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網路;分析了二元調寬脈沖再平衡測試迴路的解析度、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。
  3. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行量化,比較分析了幾種的方,其中最為重要的是帶通信號定理;然後探討了軟體無線電的一個重要基礎,即多率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的交調制解調演算法。
  4. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形的輸電線路都是一種簡單、可靠、選擇性強的保護形,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步方法和數據通信也進行了分析和評價。
  5. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是,在再生核空間中,利用積分運算元建立了空間與hilbert空間的等距同構關系;並且從haar小波出發,由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和交小波,使得再生核空間可以由小波空間來刻劃;從而對空間中的函數,給出了小波逼近具體表達和相應的,形簡單易於數值分析。
  6. Since the reform, budget accounting system have been revised many times however, with the development of socialist market economy system, the budget accounting environment is changing rapidly, government turn to offer public product and adjust market ; the range of the financial revenue and expenditure are diversified, the user of governmental accounting information expand constantly, the requisition of the governmental accounting information improves etc. it is inevitable for the revolution of budget accounting to enhance our government performance and establish modern government managerial system. we should draw lessons from international reform experiences and take the china - style road - the " stage - by - stage - going " way of the reformation

    但是,隨著社會主義市場經濟體制的發展,我國預算會計環境在發生重要的變化:政府和市場在社會經濟運行中的分工逐步明晰;政府職能重點轉向公共品提供和宏觀調控;財政收支的內容和形更加多化;近年實行的部門預算編制、國庫集中收付制度和政府購制度等預算管理制度方面的改革;事業單位資金來源渠道多元化和經營性業務的增加;政府會計信息使用者的范圍不斷擴大,對政府會計信息的內容和質量的要求不斷提高等。
  7. This is a heuristic strategy. it can reduce the intersection tests need to be computed between bounding volumes by tracing the traverse process in previous time to gain traverse path in current time. the correctness and validity of collision detection can be guaranteed by maintaining the tracing list

    這是一個啟發的策略,通過跟蹤國防科學技術大學研究生院學位論文上一時間點對包圍盒樹的遍歷過程,確定當前時間點的遍歷路徑,從而有效地減少了遍歷過程中包圍盒相交測試的次數,提高了演算法效率,同時通過對跟蹤表的維護,保證了碰撞檢測的確性和有效性。
  8. Abstract : a combined formula of the constant speed sampling flow is induced through the calibration of a flow meter, the correction of a calibrated flow and the derivation of a real flow

    文摘:通過對流量計的校準、校準流量的修和真實流量的推導,歸納出等速流量的綜合算,並運用程序計演算法進行快速、準確地計算,真實現等速
  9. Also, liu zongyuan was skillful in showing humor by using irony, which improved vividness and style of his writing, and revealed its humor and wit

    柳宗元也擅長以話反說的方來表現幽默,這做的結果不僅增強了文章的形象性和文,同時也使其行文幽默,有趣味。
  10. In the course of remote sensing digital image preparation, the paper, based on many experiments, chooses histogram match for radiation correction, texture filter method for strip noise reduction, and, with tm image in 1996 as the standard, carries out geometric correction and re - sampling of multi - band combined colored image by means of binary multinomial and closest pixel, with the error of one pixel

    在遙感數字圖像預處理中,通過多次試驗,採用紋理濾波法消除條帶噪聲,以96年tm影像為參考標準進行二階多項幾何精校和最鄰近像元法重,誤差控制在1個像元內。
  11. The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction

    本文的主要研究內容: ( 1 )定量金相分析和顯微硬度測量的方法研究; ( 2 )利用數字圖像處理技術,實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理;引入小波理論、基於數學形態學的區域生長法對圖像進行分析,實現了對採集圖像邊緣的有效提取,從而提高了測量精度; ( 3 )開發了金相圖像分析系統的主體結構(硬體結構和軟體結構) ; ( 4 )採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計; ( 5 )提出了採用多模的知識表示方法建立知識庫,應用反推理、模糊數學模型、基於規則的模匹配模型建立金相分析專家系統。
  12. Secondly, spfm ( sliding polynomial fitting method ) was discussed and the arithmetic has been compared with pfm ( polynomial fitting method ). meanwhile, the model was corrected, and the parameters of arithmetic - - system sampling frequency, the length of sliding window and the exponent of fitting polynomial - - have been optimized

    並在此基礎上討論了滑動窗多項擬合預測演算法( spfm ) ,對該演算法與普通的多項外推預測進行了比較,對模型進行了適應性修,並對演算法的參數:系統頻率、滑動窗大小、擬合多項指數進行了優化。
  13. In chapter 2, wavelets analysis and multiresolution analysis, the mathematical basis, are introduced, and the characteristics of the wavelets basis functions, including orthonormality, compact support, multiresolution and so on, are also introduced. the advantages of the applications of these functions to the numerical electromagnetic calculations are discussed. in chapter 3, the algorithm basis of mrtd : the combination of the wavelets and the method of moments ( mom ) is studied

    文中首先討論了mrtd的建立基礎,其中第二章介紹了其數學基礎小波分析及多分辨分析,討論了小波基函數的性質包括交性、緊支撐性、多分辨性等及其應用於電磁場數值計算的優勢;第三章討論了其演算法基礎小波與矩量法的結合,闡述了以矩量法作為演算法基礎,以galerkin離散的方與小波函數結合而產生了mrtd 。
  14. This dissertation presents a concrete deduce for factoring the 3d image - warping equation ; confirmed the correctness and robustness of id warp and reconstruction ; realizes the whole modeling procedure after sampling six depth images around the model ' s bounding box

    本文在理論上詳細推導了3dwarp等的數學分解;實踐上系統論證了圖像一維warp變換的確性和健壯性;實現了幾何模型6個面的深度圖像后按包圍盒方重新繪制模型的具體過程。
  15. From error of trapezia quadrature and hardware design of calorimeter, we introduce sampling factor to obtain factual temperature and adopt shorter interval to perform cooling emendation. the appropriate interval is confirmed through thermal capacity demarcating and caloric measuring experiments

    從梯形法求解定積分的誤差出發,結合恆溫氧彈儀硬體電路設計的具體情況,引入因子來準確獲得測量過程的實際溫度,並採用較小的時間間隔進行冷卻校的計算。
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