曲線串 的英文怎麼說
中文拼音 [qūxiànchuàn]
曲線串
英文
curve string-
Using displacement - load sensor to collect displacement and load data and adopting micro - power wireless communication module to transmit the load and displacement data to main part of the oil - well monitor and control system by serial port to form the indicator diagrams. the key to give the oil well effective monitor and control is monitoring the data of the indicator diagrams
通過固定在抽油桿上的位移-載荷傳感器實時採集油桿的位移數據和載荷數據，再採用微功率無線通信模塊通過串口將採集來的位移數據和載荷數據傳送至遠端的監控系統主機，用兩種數據形成示功圖曲線。Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution
簡單遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷，本文設計出隨相對遺傳代數呈雙曲線下降的自適應交換率，並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明，具有自適應交換率和變異率的遺傳演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高First bounding string is not continuous. second bounding string is not continuous. string to trim is not continuous
如果定義的線串之一不能形成一條曲線或邊緣的連續集，則會出現以下出錯消息。First bounding string is not planar. second bounding string is not planar. string to trim is not planar
如果矢量方向選擇步驟下的「曲線平面」選項被選來定義修剪視圖，且相應的線串不是平面的，則會出現以下出錯消息。First bounding string plane and string to trim plane is not equal. second bounding string plane and string to trim plane is not equal
如果矢量方向選擇步驟下的「曲線平面」選項被選中，且由線串定義的平面不是等同的，則會出現以下出錯消息。Can only trim single curve at this time. can only trim single first bounding curve at this time. can only trim single second bounding curve at this time
這些出錯消息反映了草圖生成器中的當前限制，即如果選擇了非關聯的選項，那麼一次只能修剪一條曲線。這包括邊界曲線和要修剪曲線的線串。And the program is designed to convenient for using. the functions of supervisor system include data sampling and showing in real time, data saving, data printing, data showing through curve graph, alarm by sound and lamp. the running control function is accomplished through communicating with sub - computer
監控系統的功能是實現數據的實時採集、實時顯示、數據保存、數據列印、曲線圖顯示、聲光及語音報警，並通過串列通訊口和下位機運行控制器通訊來實現運行的自動控制。The computer program is designed by visual c + +. the mscomm controls are added to receive the data. the rotor speed, the axis track and limited speed can be measured, and the curves can be displayed on the computer
我們用at89c52作為微處理器，採集信號並進行相應的處理，通過一條串列總線傳給上位機，上位機的軟體由visualc + +編制，採用多個mscomm控制項對各個實驗項目的數據進行接收，可在線完成轉速、軸心軌跡及臨界轉速的測量，並繪制曲線。These results show that the dc i - v curves of series arrays emerged some transition location and the ic decreased at the same time, but the dc i - v curves of parallel arrays were similar to what the single josephson junction ' s was
由計算結果可看出，串聯陣列的直流i - v特性曲線上出現了多個轉變點，臨界電流也有所降低，而並聯陣列的直流i - v特性曲線和單個約瑟夫森結的直流i - v曲線類似。Incremental method for computing curve - point
利於計算曲線點串的差分演算法The statistical characteristic of extrinsic information from component decoders is discussed. based on it, ? it is explained that the related curves of input - output snr could be used to measure the performance and convergence of iterative decoding ; ? two types of turbo iterative stopping criteria are designed ; ? the methods to updating snr estimation in the process of iterative decoding is provided ; ? a way to implement synchronization of carrier phase by serial concatenation scheme is devised
在分析迭代譯碼輸出外部信息的統計特性基礎上?考察了迭代譯碼器輸入輸出snr關系曲線，並說明它可以作為衡量迭代譯碼性能和收斂性的工具； ?設計了兩類新的turbo迭代譯碼停止準則； ?提出了在迭代譯碼過程中更新snr估計的方法；國防科學技術大學研究生院學位論文設計了利用外部信息統計量實現載波相位同步的串列級聯方案。This paper studies the typical two - unit series maintained system, the distributing of the units life have been known. by random sample to the life of units and simulate with computer, uses monte - carlo method, counts the failure time of every unit, and failure rate - the reliability character of two - unit series system is derived, together with its curve
摘要研究了典型的兩元件串聯的可修系統，在已知元件的壽命分佈的條件下，應用蒙特卡羅方法，對元件的壽命進行隨機抽樣並進行計算機模擬，通過統計每個元件故障的次數，得出了兩元件串聯可維修系統的可靠性特徵量故障率，並繪出了曲線。With the design of essential safety circuit, the press instrument can be used in coal mine safely. besides reading press data from the portable press collector through serial port, processing press data and putting data into the database, the data processing software for pc can print data in report and graph forms. the software can also visit, query and edit the records in the database
本論文所設計的上位機數據處理軟體可以通過串口讀取壓力手抄器中的壓力數據，經過處理后保存於數據庫中，並能以報表和曲線圖的形式列印出來，便於統計和查閱，而且實現了訪問、查詢和編輯數據庫中的記錄等功能。The thesis is one sub - item of machine vision system, is aimed to study the application of image processing and recognition technique in vision system, and to fit curvilinear equation. then, computer communicate with dsp controller through com communications and dsp control two stepping motors to realize cross motion and longitudinal motion. for this, the paper mainly includes two aspects as follows : the first aspect is the design of image processing and recognition
本文是機器視覺的研究項目中的子項目，主要研究圖像處理與識別技術在機器視覺系統上的應用，以及對識別出曲線擬合成方程，作為上位機採用串口通信輸出到下位機，下位機由dsp控制兩臺步進電機進行橫向和縱向運動，本論文主要研究上位機部分，包括以下兩個方面的內容。分享友人