sampling accuracy 中文意思是什麼

sampling accuracy 解釋
抽樣正確性
  • 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。
  • accuracy : n. 正確，準確（度）；精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  2. Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning

    與原有的兩次采樣a / d轉換器相比，用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器，具有集成度高、準確度高、適用性強、價格低等優點，可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。
  3. It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given

    在硬體電路實現上，注意選擇信號傳感器；合理設計了信號放大電路和濾波電路；設計了頻率跟蹤電路，數據采樣/保持電路；結合軟體控制選用了12位高精度的a / d轉換器，使軟體編程簡化且具有較高的靈和性和可擴展性。
  4. The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design

    開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路，更適合電路的小型化，同時也實現高精度的傳輸函數，尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單，易於調試等優點，所以研究和設計開關電容濾波器有著重要的理論和實際意義。
  5. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統，它具有以下特點： ?採用usb介面進行高速數據傳輸，傳輸速度達100kbyte / s ； ?採用浮點a / d轉換技術，動態范圍達120db ； ?多種采樣觸發控制方式； ?最高采樣率100ksps ； ? 12位采樣精度： ? 32kb數據緩存； ?使用新型大規模電子器件，系統結構緊湊，重量輕，適合野外作業。
  6. Both of algorithms adopt asynchronous sampling, which can save hardware expenses and make the best of the advantages of software. the algorithms, as well as the factors that impacts the measuring accuracy, are analyzed and tested by the simulations on labview platform ; at the same time, the feasibility of the algorithms on labview platform is verified

    給出了基於頻譜校正的電氣信號測量新演算法與基於fft分析的閃變計算方法，這兩種測量演算法均是建立在非同步采樣的基礎上，節約了硬體開銷，可以最大限度的發揮軟體的優勢。
  7. The article also includes the work as follows : 1. finished designing the hardware collective circuit and its controlling program, and using the dissynchronous fifo technique and independent clock circuit to solve the problem of high - accuracy regular - frequency sampling and the match system speed

    論文還完成了以下工作： 1設計現場診斷儀的硬體採集電路及相應控製程序。應用異步fifo技術和獨立時鐘電路，解決了高精度定頻率采樣以及系統速度匹配問題。
  8. The research of this thesis has the following characteristics : ( 1 ) the holter developed in this thesis can sample ecg data with high accuracy, high sampling rates, and also can sample several channels simultaneously, therefore the performance has been improved greatly. ( 2 ) this holter can analyze ecg data in real - time

    本論文的工作有如下特點： （ 1 ）研製的動態心電記錄儀可對心電數據進行高精度、高采樣率、多同道同步采樣，性能得到了很大提高； （ 2 ）該記錄儀能夠對心電信號進行實時分析。
  9. Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board

    本採集系統採用400mhz增益帶寬積的運算放大器，運用da高精度校準技術，並選用高采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計，既保證了數據採集系統的信噪比，又提高了系統測量精度。
  10. In chapter 4, we design a new conductivity detector for ion chromatography. the square wave is used as stimulating signal and the sampling is triggered by synchronization pulse at suitable time. by using these measures, the effects of doublelayer capacitance and polarization on the measurement are eliminated and the accuracy is improved

    摘要第四章介紹了一種新型的以方波激勵脈沖采樣為原理的二電極電導檢測器，這種電導檢測器採用了方波為激勵信號，在適當時刻用同步脈沖觸發采樣，從而在較大程度上克服雙層電容和極化的影響，且在結構設計上比目前國內常用的五電極電導池簡單。
  11. The standard rejection sampling method which is introduced in chapter 2 is closely related to the problem of quasi - monte carlo integration of characteristic functions, whose accuracy may be lost due to the discontinuity of the characteristic functions

    第2章介紹的標準拒絕抽樣方法其實跟特徵函數的蒙特卡羅積分有密切的關系。而由於特徵函數的不連續性，蒙特卡羅積分應有的誤差精度就達不到，拒絕抽樣的效果也就受到影響。
  12. Automatic tester for dial gauges is an intelligent instrument unified mechanism light and electronic. the grating displacement sensor that has high accuracy ( length gauge ) and camcorder is image sensor consummately automatic sampling is adopted. it is controlled and handled data by computer. so it has realized the intelligence and automation of calibrating course. the instrument has features of high precision, efficiency, flexible and convenient in operation, and so on

    指示表自動檢定儀是機、光、電一體化的智能化儀器，採用了具有高精度的光柵位移傳感器（長度計）和ccd攝像機作為圖像傳感器完成自動采樣，用計算機進行控制與數據處理，從而實現了檢定過程的自動化和智能化，使儀器具有高精度、高效率、操作靈活、使用方便等特點。
  13. In the simulation study, the parameters of dipoles were given, it would be considered whether it could be recovered correctly by dllm based on scalp potential sampling with a set of electrode array. it was also examined that how electrode number influenced the recovered quality of dipole parameters. the simulation showed that the number, position and strength of dipole set were greatly close to the original condition ; the shallower the dipoles were, the higher the precision of source localization was ; the optimal depth of dipole layer was greatly close to the ideal position ; the accuracy of source localization was increasing when more electrodes were used

    在模擬研究中，首先設定已知的偶極子數目及其所在的偶極面深度等參數，然後用一定數目的電極抽取正向計算獲得的頭皮電位，考察該模型在上述理想條件下，基於頭皮電位是否能正確獲取偶極子數目及其參數、以及電極數目對結果的影響。
  14. Digital feedback twice sampling a / d converter is based on common accurate dual integral a / d converter. during the second sampling, through the control logic, programmable counters and switch control, realize digital feedback and substitute primary analogue feedback realized by high accuracy d / a converter

    在第二次采樣中，通過控制邏輯、可編程計數器和開關控制來實現數字反饋，以取代原有的兩次采樣a / d轉換器中通過高準確度d / a轉換器所實現的模擬反饋。
  15. 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。
  16. In a natural manner we bring forward a density - biased sampling technique, which avoids the deficiencies in some applications and achieves a better scalability and accuracy in comparison with uniform sampling method

    改進了均勻采樣技術在某些應用中的不足之處，採用這個密度偏向的采樣技術比採用均勻采樣技術具有更好的可擴展性和精確度。
  17. Measures on improving sampling accuracy of temperature real - time measurement system

    實時測溫系統中采樣精度的提高措施
  18. The counter values and sums may not match precisely due to the dynamic nature of the counters and the sampling accuracy

    由於計數器具有動態性以及抽樣準確性有所偏差，計數器的值與總和可能不會精確匹配。
  19. In the design of the circuit of hardware, the paper choose the suitable signal sensor, rationally designing the signal enlarging circuit by programme - controlled and signal filter circuit designing the sampling at datas / retaining circuit and hardware communications based on rs - 485 network. combining with software - controlled it select the integrated gathering - card of a / d datas of the high accuracy for the 12th precision, which simplify software programmings and have higher flexibility and can extensible

    在硬體電路的實現上，選擇了合適的信號傳感器：合理設計了信號程式控制放大電路和濾波電路；數據采樣保持電路和現場基於rs - 485網路結構的硬體通信系統；結合軟體控制選用了12位高精度的a d集成數據採集卡，使軟體編程簡化且具有較高的靈活性和可擴展性。
  20. In this paper, the theories and techniques of data quality control are thoroughly studied by taking pudong construction and management geographic information system ( js - gis ), including error analysis and accuracy evaluation of digitized data, sample tests of housing surveying product, the principle and method of disfigurement measurement of attribute data based on sampling theories, and total quality control techniques of gis data. these methods are implemented in the construction of js - gis. the main contents are as follow : 1

    本論文以浦東建設管理地理信息系統（ js _ gis ）為例對gis數據質量控制的一些具體內容進行了研究，包括數字化數據誤差分析以及精度評定、房產測量成果的抽樣檢驗、屬性數據缺陷率度量的抽樣原理和方法、 gis數據的全面質量控制方法，並將這些方法應用於js _ gis中，主要內容有： 1 、介紹js _ gis的系統組成，對js _ gis中數據的主要構成以及數據採集進行分析。
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