模擬接地 的英文怎麼說

中文拼音 [jiēde]
模擬接地 英文
analog ground
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  1. Docking mechanism test - bed is mainly used to simulate dynamics process of two aerocraft ’ s docking on the ground, validate rationality of the mechanism ’ s design and estimate stability of the docking process

    機構綜合試驗臺主要用於空間兩飛行器對的動力學過程,對機構設計的合理性、對過程中的穩定性進行驗證和評估。
  2. In the simulation, the mpc technique of msc. nastran is used to simulate the mechanical behavior of contact between the interfaces of piston pin and bearing of small end, crankpin and big end bearing, connecting rod body and bearing cap ; also constraints are applied to the connecting rod reasonably

    分析中採用了patran中的多點約束( mpc )技術,有效了活塞銷與小頭孔內表面、曲柄銷與大頭孔內表面以及連桿體與大頭蓋觸面的力學觸狀態,並對連桿進行合理的約束。
  3. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算近真實反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息,確定各參數的分佈情況,並可以對實驗結果做出合理的解釋。
  4. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連和面向連的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了實驗,對各種音頻信號及多種小波函數做了結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  5. The driver model should imitate the behavior of a real driver as well as possible. for this purpose, the staring behavior was defined by taking into account the coalesce process about the drive side and take - off side of the friction clutch, the driving behavior was defined by taking into account the change of acceleration pedal position, arrester pedal position and clutch pedal position in the shifting process

    定義車輛起動特性時考慮了起步階段離合器主從動部分的合過程,定義行駛特性時考慮了行駛階段加速踏板和制動踏板的開度變化以及換檔過程中離合器踏板和加速踏板的開度變化情況,真實描述了一個駕駛員的特性,使得結果更近於實際。
  6. The hardware mainly consists of three parts : signal pre - amplifying and conditioning circuit is used to amplifying the microseismic signals which have detected, signal processing and target identifying circuit based on singlechip is used to convert the analog signals which have been amplified to digital signals and go through signal analysis, processing to identify the moving target, the sending and receiving setting is used to send the identifying result to the decision - making and he can take relevant action according to the result

    硬體主要由三部分組成:信號調理電路對檢測到的微弱震動信號進行放大;基於單片機的信號分析與目標識別電路將放大后的信號進行a d轉換,進一步將得出的數字信號分析、處理,實現目標識別;識別結果發射與收裝置將識別結果發射給決策者,由其根據收結果採取相應的措施。
  7. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點觸單元分別自行火炮履帶板之間的轉動約束連、懸掛非線性振動及負重輪與履帶板之間的觸和履帶板與面的觸問題;根據材料非線性理論,提出利用drucker ? prager材料建立土壤的非線性有限元型。
  8. Due to the electrohydraulic servo mechanism was used to drive the motion deck of the semi - physical simulator on the ground. therefore, the model of electrodraulic servo mechanism was built based on the fundamental equations of hydraulic jar and servo valve

    由於空間對機構面半物理系統採用電液伺服驅動機構,因此本文根據電液伺服驅動機構的基本方程,建立單缸電液伺服驅動機構的型。
  9. By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument

    本文具體給出了新型智能儀器硬體結構及實現,描述了智能儀器硬體設計細節,包括數字信號處理器、單片機、 internet入晶元、可編程數字/器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等,詳細給出了設計原理圖和電路圖;給出了新型智能儀器的軟體設計細節,從而完成了新型智能儀器完整的軟硬體設計。
  10. The chip simulation network laboratory system this paper disguessed is a distribute network simulation system based on lan. the system ' s architecture is a c / s of three lays. the front platform are the chip simulation network system application program terminer ; the middle lay is a dcom server, it ' s duty is to deal with the communication and data transmission between the terminer and then database server, and to execute the logical operation. the application program just connect with the middle lay and get data from it, the connection and operation with database server will be managed by the dcom server. the duty of database server is to access and backup the final data

    具體是由位於網路各個終端的晶元網路實驗系統應用程序為前臺;中間層為dcom應用程序服務器,負責處理前臺應用程序與后臺數據庫的通信和數據傳輸,並執行業務邏輯,前臺應用程序只需要與應用程序服務器建立連,在中間層操作數據即可,與后臺數據庫的連和操作由應用程序服務器來統一管理操作。后臺數據庫只負責數據的存取操作。本論文實施的晶元網路實驗系統了主要的邏輯電路器件, 8088cpu ,存儲器,寄存器,數據總線,址總線和控制總線,及其它相關晶元。
  11. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制,分析了形目標回波特性;建立了形跟隨雷達空測距的幾何關系;利用雷達收發信號,導出了形跟隨雷達和差收通道的回波信號表達式,進行了波形,得到了形跟隨雷達的面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的
  12. So, developing expander board for simulation become important the function of expander board is joint between the data bus of pc and the data bus of aviatic electronic system, and operation aviatic electronic system under the control of pc instruction. pc could simulate aviatic electronic device on the ground

    擴展板的重要任務是將專用航電系統的數據總線與pc機的數據總線連起來,並且依據pc機的指令而操作總線上的子系統,這樣pc機就可在面上飛機上的慣導系統,火控系統等等。
  13. 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型,用該型較好描述了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;論文中用軟體medici了sicpmos器件的輸出特性和漏擊穿特性,分別了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。
  14. The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier

    本文採用兩相流連續介質型,由兩相分離流動理論得到控制方程,採用chorin的直速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。
  15. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈式,得到這兩個區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值檢驗結果:在面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可受的精度。
  16. The wrf ( v1. 2 ) system is used to simulate the landing process of winnie in 1997, and results show that the track, landing time, and landing position of winnie calculated using the common land model ( clm ) and the initial field of 0800 bst on 18th august 1997 are closer to the reality ( fig. 4. 3 ) than those in the other 7 experiments, indicating the better forecast and simulation capability of the wrf model than the others

    應用wrfv1 . 2版系統對1997年登陸臺風winnie進行了數值預報研究,結果表明,用通用陸面式( clm )對8月18日08時初始場計算得到的winnie移動路徑、登陸時間及點(見圖4 . 3 )比其它七個試驗的計算結果更近實際情況。表明wrf式有較強的預報能力。
  17. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直調制技術衛星信號的射頻前端的設計;最後,對整個直射頻調制系統進行測試,結果基本上達到了課題要求。
  18. The author puts forward the thought of analyzing bifurcation and chaos in dc / dc converters with the theories of nonlinear dynamics, and the thought of controlling nonlinear problems with linear controlling methods of modern control theory. chapter three ( research on bifurcation and chaos in pwm dc / dc converters ) first theoretically analyzes and emulates period - doubling bifurcation of pwm dc / dc converters with the " inverse " piecewise numerical emulation. then the author analyzes in detail the sampled - data model, the mathematical model, which is suitable to the nonlinear research of dc / dc converters

    第三章( pwm型dc dc變換器中分岔與混沌的研究)首先採用「逆向」分段數值法對pwm型dc dc變換器中的倍周期分岔進行了理論分析與數值著詳細分析了適合於dc dc變換器非線性研究的數學型一采樣數據型,提出了dc dc變換器中存在環面分岔與鞍結分岔的可能性;最後通過電路實驗驗證了在電路參數發生變化時, dc dc變換器經歷一系列的倍周期分岔通向混沌的演化過程,並對混沌態下dc dc變換器的輸出特性進行了分析與小結。
  19. Compared with the results based on hopkins theory, the fast computer simulation results show that the diffraction intensity in proximity lithography may be simulated more rapidly and precisely with the new model

    結果表明採用基爾霍夫衍射理論及多點光源的衍射光場非相干疊加的型不僅快速而且也可以比較準確近式光刻的衍射光場分佈。
  20. The following work has been done in this paper : the load characteristic and design calculation method of spring are systematically studied. the method of using assembled springs to simulate flexible joint is presented, and then the structural configuration of simulation joint is given. the method above - developed can be used to calculate the parameters of the simulation joint on the given load and displacement conditions

    主要內容包括以下幾個方面:從彈簧的受力特性出發,系統研究了彈簧的受力及設計計算方法;通過受力特性分析,提出了採用彈簧組合的形式來柔性頭的設計方法,並給出了頭的設計形式;結合理論方法,開發了能夠用於給定載荷和位移條件下計算所需頭參數的應用軟體,並給出了頭參數設計的算例。
分享友人