sampling process 中文意思是什麼

sampling process 解釋
抽樣法
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  • process : n 1 進行，經過；過程，歷程；作用。 2 處置，方法，步驟；加工處理，工藝程序，工序；製作法。3 【攝影...
  1. Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. the flow and main steps of data preprocessing are described here. several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed

    本文研究和討論了點雲預處理的基本流程和主要步驟，研究點雲光順的高斯濾波，中值濾波和平均濾波方法、點雲精簡的弦高差演算法和多視點雲特徵對齊的方法。
  2. 2. a series of nanoparticles with different size can be obtained from just one reaction process based on the technology of time control and sampling in different phases as suggested by ostwald ripening theory in colloid chemistry. 3

    2 .根據奧斯瓦爾德成熟理論（ ostwaldripening ） ，採用時間控制、分段取樣方法，能夠在一次性生長過程中得到大小成系列分佈的cds納米量子點。
  3. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  4. In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules

    本文以鉻酸陽極氧化表面處理工藝為研究對象，通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作，研究建立了表面處理工藝動態質量管理系統；針對冶金特種工藝質量控制的復雜性及統計數據量大等特點，建立了以計算機數據庫管理為基礎的表面處理信息及處理系統；為解決冶金特種工藝原材料入廠復驗任務重的困難，建立了以原材料入廠復驗的試驗結果為評價基礎，以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。
  5. 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

    在基於中頻采樣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采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，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正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  6. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  7. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究，討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法，分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究，提出了一種基於遺傳演算法的k - means聚類改進（混合聚類演算法） ，在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ，用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心，最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法，其顯著特點是隱含并行性和對全局信息的有效利用的能力，所以新的改進演算法具有較強的穩健性，可避免陷入局部最優，大大提高聚類效果。
  8. Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis

    為此，本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 （項目編號： 59375254 ） ，重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下： 1在介紹了常用質量控制方法的基礎上，對統計質量控制的幾個關鍵問題進行了詳盡的討論，提出了質量控制界限的確定方法，建立了基於產品質量多變異的抽樣方案的數學模型，利用模糊識別理論對質量控制圖工序加工狀況進行了判別。
  9. 3. using the vpp code in labview and vxi bus, a softwar is programmed for the driving signals generating and the response signals sampling. the software can process the data to appropriate the exciting force, control the whole test and display the response curves

    3 .在labview環境下，調用vpp節點驅動vxi總線來實現多通道正弦激勵信號的生成、響應信號的採集與處理、不同激振力之間的相位協調以及測試結果的動態顯示、儲存。
  10. But in fact, a problem lies in the process of using electro motive strain ; we find that, to the same question, precision of results predicted by gm ( 1, 1 ) model differ widely when sampling positions are different

    但在實際運用應變電測法時存在一個問題，對于同一問題，采樣位置不同時，用gm （ 1 ， 1 ）模型預測結果的精度會有不同。
  11. In order to improve test precision, techniques such as auto - gain control, proper sampling rate select and dithering should be applied into the data acquisition process, and data pre - processing techniques should be used to eliminate data with careless error and correct data with system error

    為了提高測試精度，在數據採集中，可以採用量程自動切換、合理的采樣頻率以及加擾技術；對採集的數據，需要進行預處理，主要包括剔除含有粗大誤差的數據和消除系統誤差等。
  12. The use of statistical sampling does not eliminate professional judgment from the sampling process

    統計抽樣方法並不意味著消除抽樣過程中的職業判斷。
  13. Practice for sampling of process vents with a portable gas chromatograph

    使用便攜式氣相色層分析儀進行工藝通風孔取樣的慣例
  14. Verification is a process conducted by an independent, third party that validates the reported claims and data by systematically sampling and checking information in the report and supporting data collection systems, and interviewing management and technical staff

    核實指委託獨立第三者，透過有系統的抽樣及查核報告資料與實質數據收集系統，以及訪問管理及技術人員，從而核實報告的內容和數據。
  15. Through describing the space sampling process of ccd, the composing factors of modulate transfer function ( mtf ) of ccd integral sampling process are analyzed. meanwhile, an effective method to analyze the mtf of discrete sampling image system is put forward and is used to analyze and compare mtfs of sub - pixel image system and singlechip ccd system. as a result, definitions of ccd optical transfer function ( otf ) and optical mtf are presented and effective methods to measure ccd mtf are brought forward

    本文通過對ccd器件空間采樣過程的描述，詳細分析了ccd積分采樣過程調制傳遞函數的構成要素，提出了分析離散采樣成像系統調制傳遞函數的有效方法，並用該方法分析比較了亞像元成像系統與單片ccd系統的mtf ，給出了ccd器件光學傳遞函數（ otf ）和光學調制傳遞函數（ mtf ）的定義，提出了檢測ccd調制傳遞函數有效方法，採用幾種不同測量方法測定了tdiccd的調制傳遞函數，並進行了比較分析。
  16. Furthermore, the requirements of the sampling process were also included

    同時對取樣檢驗過程加以探討。
  17. A sampling process is designed to implement the computation of the observation likelihood, in which a proposed relation model between head and face of their position and size is used so as to achieve improved accuracy and efficiency in the fusion

    其中，利用檢測器提供的姿態信息對頭部和人臉的位置大小關系提出了一種模型，提高了觀測模型融合的準確性和高效性。
  18. Firstly a qualitative criterion for determining the space between adjacent sections in the sampling process and gaussian smoothing algorithm is proposed. then a topological reconstruction method is given. at last a new reconstruction method based on the similarity between adjacent sections is proposed

    首先提出了確定斷層間距的定性方法和數據平滑處理的高斯方法，然後給出了一種拓撲重構方法，最後提出了一種基於相鄰層輪廓相似性的曲面重構新方法。
  19. The software could realize the wavemaker system control, data acpuisition, data analysis and sensor calibration, the applacation of multi - thread technology, precise timing technology and memory management technology in the wavemaker system is described respectively. furthermore, the software realizes real - time display of sampling process with directx technology and adopts object - oriented thinking to handle interfacing card. estimateing spectrum with ar model and calibrating the sensor with least square algorithm are also discussed in detail

    控制軟體利用多線程技術進行多任務控制；採用高精度時間函數實現精確定時；利用虛擬內存與內存映射文件進行內存管理；採用directx技術實現采樣過程的實時顯示；利用最小二乘原理對傳感器進行標定；採用面向對象思想實現對控制採集卡的操作；利用ar參數模型法進行譜估計。
  20. Data sampling, process, control and man - machine conversation, control function which are communicated by connecting its communication module and crt

    用p8系統完成數據的採集、處理及控制，並通過其通信模塊與crt相連，實現人機對話。
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