接近線性關系 的英文怎麼說
中文拼音 [jiējìnxiànxìngguānxì]
接近線性關系
英文
near linear relationship- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 接近 : 1 (靠近; 相距不遠) be close to; near; approach 2 [天文學] approach; approximation; application;...
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。Then the nonlinear coupled electromagnetic and electron motion equations were obtained from the lorentz equation. and numerical calculation and analysis of cold cavity by pic software were applied to analyze the both hot and cold dispersion characteristic of this waveguide
接下來,從電子運動方程出發得到了自洽非線性方程組,通過一階線性近似導出了螺紋波導中注波互作用色散關系,從中分析該波導超寬帶特性。Non - linear finite element analysis of rubber layer bonded between two rigid spheres has been performed for rubber ’ s characteristic of large deflection and nearly incompressibility. the relationships between stiffness and deformation have been gained when large tensile deformations are imposed. the effects of different poisson ’ s ratios of rubber matericals on the stiffness and stresses of rubber layer have
針對橡膠的大變形及接近不可壓縮的特點,對工程中常用的橡膠-剛球支座進行非線性有限元分析,了解了支座的剛度和應力的變化情況以及泊松比對兩者的影響,得出的支座受軸向拉伸時的剛度與軸向變形關系。The problems of robust stability for a class of lurie direct or indirect systems with time - delay and norm - bounded uncertainties are discussed using delay dependent method. method of linear matrix inequality is adopted to resolve the problems. comparing with the other sufficient conditions, the maximum delay obtained in this paper is less conservative
2 .針對具有范數有界不確定參數的lur記時滯系統,分別給出了lurie直接型系統時滯相關的魯棒絕對穩定性條件和穩定化控制器以及lurie間接型系統時滯相關的魯棒絕對穩定性條件,結論均採用線性矩陣不等式的形式給出,通過和最近的其他充分性方法比較最大的時滯界,表明本文方法大大減少了保守性。The intake lag angle of the engine is optimized, and the dynamic effects of intake pipes and exhaust pipes to the improvement of motorcycle engine is applied to make the engine test performance curve approach the simulation curve
本文介紹了從進氣晚關角及進排氣的動態效應幾方面著手,不斷改進發動機的配氣相位以及進排氣系統,使發動機的實際性能曲線逐步接近計算機模擬曲線。Excepting algorithms self, the software performance analysis and optimization always relate to the multi - hiberarchy storage archtechture, trying to utilize the nearside storage media such as register or level 1 cache and reduce actions on farside storage, and try to reach a linear performance, i. e. the computing performance only relate to the speed of cpu clock
現在的軟體性能分析及其相關的性能優化,除了程序本身演算法之外,幾乎所有的分析和優化都是在這樣一個多級的存儲體系結構上進行的,試圖盡可能地利用近端的存儲,期望達到一個接近線速的計算性能,即計算的性能僅由cpu的處理速度決定,與其他外設和數據存儲無關。By the network, a optional nonlinear input - output mapping relationship can be realized. concrete mapping relationship materialize at the distributed linking weight values between neurons that build up the ann. due to the strong self - adaptability and self - learning - ability as well as excellent and robustness and tolerance ability, it can not only replace many traditional algorithm which is very complicated and timeconsuming, but also, because the processing to information is more close to person ' s thought activity habit, it provides a new way for solving the prediction of nonlinear system and unknown model
通過這種網路能夠實現任意的非線性輸入輸出映射關系,具體的映射關系體現在構成網路的神經元之間的分佈連接權上,由於網路具有很強的自適應和學習能力以及魯棒性和容錯能力,它不僅可以替代許多復雜耗時的傳統演算法,並且由於它對信息的處理更加接近於人的思維活動習慣,為解決非線性系統模擬和未知模型的預測提供了新途徑。In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory
在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣度梯度法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。In order to make the studying about the seismic exploration method possess systematic nature and the ability of tackling key problem in front - zone of mountain, we have done the research work of tackling key problem aiming at the field gathering technology of seismic exploration of the complicated structure belt ( the construction of underground and the earth ' s surface condition are complicated ) of front - zone of mountain in this text, and a large number of relativity trials by the close combination of production and scientific research, summarized a set of field method of the complicated structure belt of front - zone of mountain, adjusted both of trial factor and construction factor of the field gathering in time, achieved finally the goal of making its structure character clear
近幾年來,隨著地震勘探裝備和技術的改進,野外資料採集技術有了新的進展,主要表現為多種震源聯合激發方法(井炮和大噸位可控震源) ,基於地表條件及表層調查基礎上的激發選點方法,小道距、長排列、高覆蓋接收方法,基於模型的「分段、分線、分區」觀測系統目標設計方法等,取得了顯著的勘探效果。為了使山前地震勘探方法研究具有系統性和攻關性,通過本文對復雜山前復雜構造帶地震勘探的野外採集技術進行攻關研究,進行了大量具有針對性的試驗,總結出了一套山前復雜構造帶野外施工方法,最終達到了搞清復雜山前復雜構造帶山前復雜構造帶構造特徵的目的。The relations between the mode frequency, static characteristic and the framework parameters are studied. a two dimension crossed symmetric cantilever flexure hinge is investigated using finite elements method. the simulation of the mode frequency and the study of the relation between the displacements and the stress indicate that this flexure hinge has good flexibility and linearity between the displacement and the maximum stress
研究了二維復合式懸臂梁柔性鉸鏈模態頻率、靜態特性與鉸鏈結構參數之間的關系;建立了結構參數和力學特性西北工業大學博士論文之間的對應關系;研究了基於復合式懸臂梁柔性鉸鏈的二維十字對稱柔性鉸鏈結構,對其模態頻率以及位移應力特性進行模擬試驗;結果表明此種結構形式的運動對稱性很好;其驅動位移與結構體最大拉壓應力值之間接近線性關系,而且這種結構可以得到100林m以上的運動位移。Firstly, the effects of short - delay multipath to the dll, pll, and snr of receive signal are discussed. then the effects of multipath to multiple closely spaced antennas are presented. and solve the problem by promote a new method based on extended kalman filtering, which utilize the correlation of measure data of dll, pll and snr of each antenna
最後,利用小范圍多天線系統中多徑信號對接收機碼環、載波環及信噪比影響的相關性,提出了基於擴展卡爾曼濾波器的多徑干擾抑制技術,解決了近距多徑信號的抑制問題。A mathematical model is developed to comprehensively describe and analysis the vibration of over - head transmission lines according to pertinent datum. based on the model , an optimum solution about the conductor - damper system is put forward to by means of the analysis of possible anti - vibration designs. a method of balance - energy is used to acquire the frequency - respondence features of the conductor - damper system under the function of breeze ; a cad software is presented and developed in terms of above approaches. the model applied in the thesis is comprehensible and considerate, and the results from the model are close to the data from experimental site. beside these, favourable interactive operational capability makes it possess more practical and economic value
通過分析有關資料,建立了普通檔距導線微風振動系統的防振數學模型,並在該數學模型的基礎上,對防振結果進行了優化分析,得到了防振系統的解,用能量平衡原理,得到系統在微風作用下的頻響特性;採用這種方法設計了普通檔距防振的計算機輔助分析軟體。所採用的分析方法對微風振動的影響因素考慮全面,所求結果與現場實驗觀測中的數據比較接近,且人機交互操作性能良好,有一定的工程實用價值In accordance with the mr damper - spring system presented in this paper and non - linear fem model of guyed mast, an " off - on energy dissipation " semi - control strategy based upon mr damper ' s displacement is proposed, in which the control force of mr damper is close to the instantaneous optimal active control force and dissipate energy as possible as it can
根據本文提出的mr阻尼器?彈簧系統和桅桿結構非線性計算模型,文中提出了使mr阻尼器所提供的控制力盡量接近瞬時最優主動控制力,同時又能盡量耗能的mr阻尼器對桅桿結構風振響應半主動控制基於阻尼器位移的「開關?耗能」半主動控制策略,並在時域內進行了模擬分析。This paper divides into six chapters : the first chapter - base on the analyses of the origin, conception and development status of sr, this chapter discusses the key technology and realize difficulties of sr and advances the intention and meaning of the paper. the second chaptei - the sr system with radio frequency band - pass sampling architecture is a design scheme close to software wireless radio ( swr ), this chapter introduces three system architecture of sr system and analyses the theory of radio frequency band - pass sampling. the third chapter - this chapter analyses and designs the dsp hardware platform with radio frequency band - pass sampling architecture
本論文分為六章:第一章在分析軟體無線電的起源、概念、發展概況的基礎上,闡述了軟體無線電的關鍵技術及實現難點,提出了本論文研究的目的與意義;第二章射頻直接帶通采樣軟體無線電結構是接近理想化的軟體無線電設計方案,本章對軟體無線電系統的體系結構及射頻直接帶通采樣原理進行了分析;第三章分析並設計了射頻直接帶通采樣結構軟體軟體無線電系統的dsp硬體平臺;第四章研究了調制解調及信號調制樣式的識別演算法並給出了dsp實現,這是在dsp平臺上實現軟體無線電功能的一種常規方法;第五章分析了應用快速原型技術開發軟體無線電系統的必要性及可行性,完成了軟體無線電系統的matlab模擬及結合ti公司的tms320c6711dsk板的快速原型實現,這也是本論文提出的軟體無線電的一種新的研究方法。Because of the reason above, a novel pn acquisition method using auxiliary sequence and binary search is proposed. because the cross correlation between auxiliary sequence and spread sequence is linear, some search algorism can be used to estimate the phase of incoming signal quickly without increasing the complexity of system
因為輔助序列與擴頻序列的相關函數近似滿足線性單調性,可以利用快速搜索演算法,如:二分法,對接收信號中擴頻序列的相位進行快速搜索,在保證系統復雜度不變的前提下,降低序列捕獲的時間。分享友人