電阻混合法 的英文怎麼說
中文拼音 [diànzǔhúngěfǎ]
電阻混合法
英文
resistance mixing- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
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After deriving swt from the model, we find out that the water saturation equation is a quadratic equation about swt, so its solution is very simple and obtained by using the standard quadratic - root formula
通過研究混合泥質砂巖有效介質通用hb電阻率模型的求解方法,表明模型導出的關于s _ ( wt )的方程是一個一元二次方程,可用求根公式求解,解法非常簡單。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。( 3 ) a modified chua ' s circuit is proposed and a circuit implementation is also designed. dynamics of this modified chua ' s circuit are numerically studied and its lyapunov exponents are also calculated. ( 4 ) a resistance - coupling method for designing new chaos generators by taking use of existing chaos generators is suggested, several new chaos generators realized by this way are studied and their dynamic are compared to those of original chaos generators, their lyapunov exponents are also calculated
( 4 )提出了一種構造新的混沌或者超混沌模型的電阻性混沌模型耦合方法,並且給出了用此方法構造的幾種新的混沌吸引子,對所構造的新的混沌os吸5吁進行了數值研究,贈了其李雅普諾夫指數,將耦合形成的新的混飩吸引子與耦合之前的混飩吸引子進行了對比頒。After introduction of the tranlinear loop principal, the bjt current controlled conveyor has been designed by using mixed tranlinear loop voltage follower. as for modern integrated circuit, the model of mos transistor, the active resistance and the current mirror integrated circuit formed by mos transistor are introduced. the cmos current controlled conveyor has been derived from mixed tranlinear loop cmos voltage follower based on weak inversion operation
針對現代集成電路的工藝,本文對mos晶體管的工作原理進行了簡要的敘述,討論了有源電阻和電流鏡的實現方法,並利用mos晶體管的亞閾值特性組成混合跨導線性迴路完成對應的電壓跟隨器的設計,推導出了基於cmos技術的電流控制傳送器。Sp logging is one of logging methods which van effectively distinguish resistivity of mixed liquid in formation after oil layer being water flooding
摘要自然電位測井是油層水淹后能夠有效識別地層混合液電阻率信息的測井方法。Then, based on the estimation algorithm decomposing the measurement of voltage scope and power scope, the problems of the location of transformation tap settings and the tide current estimation of zero - impedance branches in state estimation are solved ; and detection and identification of bad data in state estimation are deduced and stimulated, also a hybrid method of detection and identification is brought forward
隨后,在基於分解電壓測量量和功率測量量的估計演算法的基礎上,對狀態估計中經常出現的變壓器抽頭位置問題和零阻抗支路潮流估計問題進行了分析和處理;對狀態估計的不良數據檢測與識別方法進行了推導和模擬,並提出了一種混合檢測方法。After that, by using sp curve to obtain the resistivty of formation mixed liquid, correction methods for various effective factors of sp logging are given, and effects of filtration potential and argillaceous content on sp logging and correction methods are discussed
研究了地層水淹后利用自然電位曲線求取地層混合液電阻率的方法,給出了自然電位曲線各種影響因素的校正方法,著重討論了過濾電位和泥質含量對自然電位曲線的影響和校正方法。In this study, we use different particle of carbon powders mixed with epoxy - resin, and coating on polyester woven fabrics for designing the electromagnetic wave absorbing screens, and employ the matching of impedance to designing the transfer of single or plural layers, and observe the influence of the amount of layers and the methods of collocating screens, to attain the method of collocating screen, which achieve best effect of absorbing of electromagnetic wave
摘要本實驗採用碳粉混合環氧樹脂,塗抹在聚酯布上,做為電磁波吸收體之表面護幕和間距護幕,以單層和多層疊合,並利用阻抗匹配的理論,觀察疊層層數和排列試樣的方法,對電磁波吸收效果的影響,藉由此求出具有最佳吸收效果的排列方法。By studying the solution to generalized effective medium satori resistivity model in laminated and dispersed shaly sand, it shows that there is a local minimum of the function about w derived from the model in the range from 0 to, and the w corresponding to the minimum varies with or w as well as other parameters, therefore, in order to ensure the iteration convergence, here, we adopt a hybrid algorithm combining newton and bisection, and the calculated result shows that using the hybrid algorithm to solve the equation about w is convergent. it is pointed out that shale distribution largely affects water saturatio n predicted by this model
通過研究混合泥質砂巖有效介質通用satori電阻率模型的求解方法,表明模型導出的關于_ w函數在0 -區間內存在一個局部極小值,且該極小值點對應的_ w隨或_ w及其他參數的變化而變化,因此,為了保證迭代收斂,採用牛頓和二分結合的混合迭代演算法,試算結果表明利用牛頓和二分混合迭代演算法求解關于_ w的方程是收斂。Based on actual data processing and analysis data comparison for oil testing water in individual layer, the results show that this method can effectively obtain resistivity value of formation mixed fluid
通過實際資料處理和單層試油水分析資料對比,結果表明該方法可有效求取地層混合液電阻率值。Namely : ( 1 ) the cf can be dispersed by methyl cellulose and superfine silica fume used together and the electrical resistivity is low. so it provides a good way for cf dispersion ; ( 2 ) the results on cf cement - based fgm include four aspects. firstly, the electrical resistivity is influenced little by cf content increase after the conductive circuit formation
研究結果表明: ( 1 )採用甲基纖維素和超細硅粉復合摻拌的分散辦法,使纖維充分分散,導電效果比較理想,為纖維分散提供了一條優良的途徑; ( 2 )碳纖維混凝土中,導電網路形成后,纖維含量繼續增加對電阻率的影響不大。分享友人