square measurement 中文意思是什麼

square measurement 解釋
網角測量
  • square : n 1 正方形，四方塊，四角；方形物。2 （方形）廣場；〈美國〉（四面都是馬路的）方陣建築；街區；（方...
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. E. tva load model structure, which is more adaptive to the measurement - based load modeling. based on the presented model, the dissertation further researches and applies the least square algorithm in classic system identification theory as well as the simplex method and the genetic algorithm in modern system identification theory to identify the load model

    在廣泛研究現有典型負荷模型結構的基礎上，論文提出了適用於量測建模的時變適應的負荷模型（ tva負荷模型） ；進而研究並綜合應用傳統辨識理論中的最小二乘辨識法和現代辨識理論中的單純形法、遺傳演算法進行負荷模型辨識。
  2. After the temperature measurement system is scaled by the black body furnace, we use least square method and neural network to calculate the temperature respectively according to the images taken from both the black body furnace and the common coal furnace. through comparison the calculation data with the result of thermocouple, an improved method of neural network is proposed. this method is more practical and precise

    根據標定結果，本文用最小二乘和神經網路兩種方法分別對黑體爐和普通煤爐的圖像進行了溫度計算；通過比較熱電偶輸出的溫度值和計算的結果，提出了一種改進的神經網路方法，該方法更適用於工程實際，其測溫精度較高。
  3. In the course of measurement of workpiece face runout, variance method of the most species based on separability and image edges distilling based on morphology and marr filtering based on edges segmentation are used to enhance effectively accuracy of image segmentation and edges distilling. accuracy of measurement of face runout is enhanced effectually by use of least square method of compressing rectangle fitting edge of image and transforming of dft

    該系統在工件端面跳動測量過程中，採用了基於可分性的最大類間方差法和形態學邊緣提取以及基於邊界分割的marr演算法，使圖像分割和邊緣提取的準確性得到了很大的提高；用壓縮矩形的最小二乘法擬合工件端面圖像的邊緣以及用dft變換對工件端面的跳動量進行測量，使端面跳動測量的準確性得到了很大的提高。
  4. Least square method based measurement of sine wave total harmonic distortion

    基於最小二乘法的正弦波諧波失真度測試
  5. We measured the samples " electrical properties ( square resistance, square carrier concentration, carrier mobility and hall coefficient ) at room temperature by hall measurement. the experimental results revealed that all the samples are p - type, with increasing the annealing temperature, the carrier mobility increased and the square carrier concentration decreased. these changes in electrical properties are explained by a decrease in the number of mn acceptors because of the forming of mnas phase and the resuming of lattice defects during annealing

    所有樣品均為p型導電類型；發現在650到850溫度范圍內，隨著退火溫度的升高，樣品的方塊載流子濃度呈下降趨勢，而載流子遷移率呈上升趨勢；這是由於在退火過程中，隨著退火溫度的升高，有更多的mn參與mnas相的形成，使得以替位受主形式存在的mn減少，並且晶格缺陷得到恢復所致。
  6. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想，設計了捷聯式內阻尼卡爾曼濾波器，將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合，在系統非加速度狀態下，提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性，本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中，設計了基於2個狀態傳播器的故障監測器，並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗，提高了故障監測的靈敏度和可靠性.最後，實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  7. Natural gas fluids measurement - concentric, square - edged orifice meters, part 2 - specification and installation requirements

    液化天然氣的測量.同心方邊有孔測量儀.第2部分:安裝要求和規范
  8. Natural gas fluids measurement - concentric, square - edged orifice meters, part 1 - general equations and uncertainty guidelines

    液化天然氣的測量.同心方邊有孔測量儀.第1部分:通用方程式和不確定性指南
  9. Manual of petroleum measurement standards, chapter 14 - natural gas fluids measurement, section 3 - concentric, square - edged orifice meters, part 3 - natural gas applications

    石油測量標準手冊.第14章:液化天然氣的測量.第3節:同心方邊有孔測量儀.第3部分:天然氣應用
  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. Analysis of measurement uncertainty of tensile test for square specimen

    矩形試樣拉伸試驗測量不確定度的實例分析
  12. Then, this thesis concerns with the wavelet transform and its application in power system and compare the deficiency vs strongpoint between the fourier transform, short - time fourier transform. this article point out that wavelet transform fit for non - stationary signals analysis and put it into the measurement of voltage sag. based on the comparion of several algorithm of voltage sag measurement in the literature, the thesis put up a new voltage sag measurement algorithm - - - combination of wavlet transform and root - mean - square. the thesis validate the algorithm according to simulation and actual measuring data

    並將小波分析用於電壓凹陷的測量中。在詳細對比了現有文獻上已有的幾種凹陷檢測演算法的基礎上，提出了有效值與小波分析相結合的電壓凹陷測量演算法，文章對小波函數的選取，處理時的去噪，分解尺度的確定等問題進行了詳細的論述，從而實現了本文提出的電壓凹陷定義的測量。根據實測數據和模擬數據，對該演算法進行了驗證，證明該演算法是可行的。
  13. This is the first time in this field. 2. putting forward rymaszewski method to square four point probe measurement

    利用rymaszewski法自動消除探針縱向游移影響的優點，將它應用於方形探針測試法中3
  14. This paper mainly accomplished the following research : summarize the classify and application fields of four - probe testing technology ; take the square four - probe testing technology study by using the advantage of rymaszewski method in auto - eliminating the portrait wandering influence to induct ry method to square - probe testing method ; deeply study the influence of probe wandering to progressed ry method testing result ; complete the design of testing panel and testing circuit, realize the auto - testing of mono crystal wafer ; discuss the image enhancement and threshold selection problem in image identify, and finally accomplish the identify of probe pinpoint. the main new view points of the research : 1. it is the first time for applying image manipulation and analysis technique to the sheet resistance measurement, and achieving the auto - location function of the probe

    為此，本文開展了以下研究工作：綜述了四探針技術的分類以及應用范圍；對方形四探針測試技術進行了研究，利用rymaszewski法自動消除探針縱向游移影響的優點，將它應用於方形探針測試法中，並對探針游移對改進rymaszewski法測試結果的影響進行了深入探討，提出了用圖像識別技術監測測試進行的方法；完成了測試系統的測試平臺以及測試電路的設計，研製出具有圖像識別功能的斜置式方形探針分析儀一臺，實現了矽片電阻率測試的自動化；對圖像識別過程中涉及到的圖像增強和閾值選擇問題進行了論述，最終實現了對探針針尖的圖像識別以及探針測試結構的自動調整，保證了方形探針測試儀的測試精度。
  15. The system increase the precision of frequency measurement using frequency measurement method based on least error square algorithm and using digital pre - treatment algorithm, which can eliminate the bad effect resulted from sqaure and high power harmonic

    本系統採用了基於最小二乘的頻率測量方法，同時用數字預處理演算法消除頻率測量時的二次及高次諧波對測量的影響，提高了頻率測量的精度。
  16. Selecting the image elements of earth and moon centers as observed quantity, measurement noise model and observed equations of autonomous navigation system are built up. the spacecraft orbit is determined by using the recursive weighted least square based on ud factorization

    在奔選取地心和月心像素作為觀測量，建立了符合實際情況的量測噪聲模型和自主導航系統的觀測方程，並利用基於ud分解的遞推加權最小二乘演算法估計了奔月探測器的軌道參數。
  17. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上，通過對原模塊缺陷的分析，採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度，將原模塊中的所有數字電路全部集成在fpga晶元中，這樣不僅能節約成本，還能提高電路的可靠性和測量精度;採用高速的數字信號處理器（ dsp ）取代原有的單片機作為協處理器，來接收vxi發來的各種命令，分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號，能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平，該比較電平值能夠根據實際需求進行設置，能增強模塊的使用靈活性。
  18. The fuzzy probabilistic data association of multiple targets tracking is presented in this paper, which define a target ? uzzy set on the measurement set at time k and then use fuzzy least mean square error method to estimate target states

    給出了一種多目標跟蹤的模糊概率數據關聯方法，該方法在k時刻的回波集上定義一個目標模糊集，表示回波與目標之間的模糊關系。然後基於目標模糊集，利用模糊最小均方誤差估計方法對目標狀態作出估計。
  19. Firstly, the square sum of estimate error is only half of it " s original square sum of measurement data, the precision of result is highly enhanced. secondly, the precise estimate data takes place of bad data. thirdly, this method estimate some data that the power system needs but the measure system do not give

    從估計結果來看，一是在不良數據不計在內的情況下，估計值的誤差平方和僅是原始測量數據誤差平方和的一半左右，在準確性上有較大的提高；二是用準確的估計值代替了不良數據；三是準確地估計出了一部分電網調度工作需要，而又沒有進行測量傳送的數據。
  20. In order to improve the accuracy based on colored ccd flame temperature field measurement, on the basis of analysing error source, compare multinomial interpolation, least square method and bp neural network application in reducing the error of temperature survey

    為了提高基於彩色ccd火焰溫度場測量的準確性，在分析了誤差來源的基礎上，比較了多項式插值、最小二乘法和bp神經網路在減小測溫誤差方面的運用。
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