模型頻率特性 的英文怎麼說
中文拼音 [móxíngbīnlǜtèxìng]
模型頻率特性
英文
model response- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 率 : 率名詞(比值) rate; ratio; proportion
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
- 頻率 : frequency; rate
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
-
This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application
文摘:提出一種新型的非線性積分器,給出它的數學模型,並用諧波線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位滯后僅27 . 6 ,高次諧波分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制性能好,具有廣泛的應用前景B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results
在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能量法和麥克斯韋張量法推導電磁力的計算公式,並討論他們的不同應用范圍; ( 2 )分別用等效磁路法和有限元法作直線力電機的靜特性分析,並比較分析它們的計算結果; ( 3 )用有限元模擬軟體做直線力電機動態特性的模擬,分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性; ( 4 )做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確性。In the radiation aspect, the features o radiation sources in power converters are discussed. the radiation models of dm current and cm current in cables and radiative characteristics of cables and high frequency current loops in the converter are also discussed
在功率變換器輻射emi方面,系統地討論了功率變換器各輻射源的特點,重點分析了共模電流和差模電流在電纜中的輻射模型,功率變換器中電纜與高頻電流迴路的輻射性能。According to the numbers of segmentations, dts has multi scale feature and can reflect different trend similarity of time series under various analyzing frequency. 2 ) an enhanced algorithm, based on dual threshold value, and the conception of sub - series linear are proposed. relative point average error is used to measure the linear degree of sub series, which produced by bottom _ up algorithm
對應時間序列線性分段數目的不同,序列趨勢距離具有基於時間的多尺度分析特性,可以有效反應不同分析頻率下時間序列的相似程度; 2 )採用相對點平均殘差衡量bottom _ up演算法劃分的子序列線性度,提齣子序列線性度概念和一種雙誤差閥值改進演算法,大大提高了趨勢序列模型的準確性。Software realizing way based on frequen specific property of passive network modle of li sha - yu graphy
基於李沙玉圖形無源網路模型頻率特性的軟體實現方法Vibration characteristics test was carried on a model of one three - spanned prestressed concrete ( pc ) shew continuous box girders, which was designed in jing hu high speed railway of china. we discuss the difference between the results of test and 3d fem analysis with two cases of orthogonality and shew, and explore the dynamic properties of skew box girders
通過對我國京滬高速鐵路設計中的一座三跨預應力混凝土斜交箱形連續梁橋縮尺模型自振特性參數的測試,比較了正交、斜交箱梁的固有頻率的差異,通過與空間結構分析結果的對比,最後討論了斜交箱梁的動力性能。Abstract : vibration characteristics test was carried on a model of one three - spanned prestressed concrete ( pc ) shew continuous box girders, which was designed in jing hu high speed railway of china. we discuss the difference between the results of test and 3d fem analysis with two cases of orthogonality and shew, and explore the dynamic properties of skew box girders
文摘:通過對我國京滬高速鐵路設計中的一座三跨預應力混凝土斜交箱形連續梁橋縮尺模型自振特性參數的測試,比較了正交、斜交箱梁的固有頻率的差異,通過與空間結構分析結果的對比,最後討論了斜交箱梁的動力性能。Using finite element and boundary element method, a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency, farfield sound pressure, modal radiated acoustic power and acoustic radiation efficiency
摘要採用有限元和邊界元方法建立了輕流體介質中復雜結構振動聲輻射的模態分析模型,可計算結構的聲輻射模態頻率、模態場點聲壓、模態輻射聲功率和聲輻射效率等聲場特性參數。Impedance of aluminium beam is tested with pzt and studied impedance frequency specialty, and the real impedance, the stain mode and position of pzt are analyzed
實驗將鋁梁作為測試對象,在其上粘貼壓電陶瓷,通過對阻抗應答、振動模型和壓電陶瓷片的粘貼位置的分析,研究梁的阻抗頻率特性。Got the mathematic model of target emulator system based on models of every component, and simulated it through the computer. as far as position control system, the performance such as stability, precision and celerity were analyzed by virtual of open - loop and close - loop frequency characteristic
本文根據系統各部分的數學模型,建立了目標模擬器系統的數學模型,通過位置控制系統的開環、閉環頻率特性對位置控制系統的穩定性、精度和快速性進行了分析。Analysis of frequency for plane compliant mechanisms based on the pseudo - rigid - body model was illustrated in detail, and the effect of section parameter 、 structure size and characteristic parameter of material on mechanisms were discussed respectively ; a newly relative index of frequency characteristic for the material of compliant mechanisms was advanced and some examples were given to validate its reliability
摘要以偽剛體模型為基礎對平面柔順機構的頻率特性進行了詳細的分析,並分別就機構截面參數、結構尺寸、材料參數對頻率的影響進行了討論;針對柔順機構材料特點提出了新的頻率特性比較指標,給出了數值算例,驗證了評價指標的可靠性。Based on the response theory of an elastic earth to surface loads and the model of the standard atmosphere, the characteristics of changes in the loading effects with time, space and frequency are comprehensively investigated in this dissertation. the numerical results obtained in this study can provide accurate atmospheric correction models for high - precision continuous measurements of the geophysical fields such as gravity, tilt, displacement and strain on the earth ' s surface
本文基於彈性地球對表面負荷的響應理論和標準大氣模型,綜合研究大氣負荷效應的時間、空間和頻率特徵,為地表重力、傾斜、位移和應變等物理場的高精度連續觀測提供精密大氣影響改正模型The transfer function model is built according to the frequency characteristic and working mechanism of the control object
根據控制對象的頻率特性特徵及對象運行機理確定控制對象的傳遞函數模型。Analysis of dynamic frequency process of power system is basis of system performance research 、 design of under frequency load - shedding scheme and evaluation of different measure of voltage regulation and frequency regulation. with development of power system, there are more and more factors that affect dynamic frequency characteristics which make it more and more complicated. the method which use single - generator - to - load model to analyse frequency dynamics can not suit for actual system
隨著電力系統的發展,影響動態頻率特性的因素越來越多,動態頻率特性日趨復雜,用傳統的單機模型分析系統動態頻率特性的方法已不能適應實際系統的需要,迫切需要對現代電力系統中影響動態頻率特性的因素進行分析。The small - signal model in main circuit are built by using average circuit model. the relationship of each small signal and efficiency duty cycle are described completely. magnitude - frequency characteristics and phase - frequency characteristics of each main transfer function are got
本文分析了全橋移相zvspwmdc - dc變換器的基本原理,運用平均等效電路法建立了主電路小信號模型,並詳細分析了各小信號變量與有效占空比之間的關系,得到了各主要傳遞函數的幅度和相位頻率特性。In this paper, several typical roics, roic noise and processing techniques are analyzed systematically in theory, and the computer simulated experiments are done. in the third chapter, many performances are analyzed on typical cmos roic theoretically in detail, such as the non - uniformity, injection efficiency, bias steadiness, frequency characteristic and threshold - voltage non - uniformity
本文第三章首先對典型致冷型cmos讀出電路的非均勻性、注入效率、偏置穩定性、注入電流的頻率特性以及閾值電壓非均勻性等問題進行了較為全面的理論分析和計算機模擬實驗研究。The paper regards the middle hollow electrohydraulic servomotor as studying object and build the mathematical model, the stability and the frequency response of opened - loop and closed - loop system are analyzed. this paper discusses the influences of steady error and static error on system precision in detail
文章以中空電液伺服馬達為研究對象,建立了電液位置伺服系統數學模型,分析了系統的穩定性、開環和閉環的頻率特性,詳細探討了系統的穩態誤差和靜態誤差對系統精度的影響。The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver
論文由9部分組成:在第一章引言中介紹了論文的背景、意義、國內外研究現狀,以及論文的主要內容和創新;第二章以千兆位以太網為例,從系統的角度介紹了高速數據傳輸系統介面電路的主要功能和性能指標;第三章分析了高速數據傳輸系統的傳輸介質的頻率特性和模型;第四章描述了線驅動器的設計原理及其電路實現;第五章描述了高速數據傳輸系統的均衡原理;第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現;第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面( sata )收發器系統的固定均衡器的設計原理及其電路實現;在第八章中分析了電路的版圖設計及晶元測試結果;最後,第九章總結了全文。在完成論文期間,查閱了大量的有關高速數據傳輸系統介面電路方面的文獻,較系統地學習了線驅動器、傳輸線和均衡器等方面的理論知識和電路設計原理,設計了用於: ( 1 ) 2 . 5gbps基帶銅纜收發器系統的線驅動器; ( 2 ) 2 . 5gbps基帶銅纜收發器系統的固定均衡器; ( 3 ) 1 . 5gbpssata系統的固定均衡器; ( 4 ) 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。分享友人