simulated block 中文意思是什麼
simulated block
解釋
模擬塊-
Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。 -
The capacitance offset averaging network is used in the distributed track - and - hold circuit block of the designed system. finally, according to the analysis on error effects in adc, the mathematics error model is simulated. furthermore, the input - output characteristics including input -
最後，基於對a / d轉換器系統中誤差的分析，對其誤差數學模型進行了模擬，得到了包含延遲、限幅、諧波失真等誤差的輸入輸出特性曲線。 -
This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab
本文對異步電動機變頻調速系統進行了研究，利用異步電動機在二相同步旋轉mt坐標系下的數學模型，使用matlab中的模擬工具箱simulink分別對開環控制系統和閉環矢量控制變頻調速系統進行了模擬。 -
The theory of the simulation is that, firstly put fuze and parts in simulation device in reverse, then fire them in high speed by air gun, and they fly into gun spinning quickly and impact cushion and brass block in it, negative acceleration because of impact is to simulate setback, meanwhile they spin with spin gun when impacting, so spin environment can be simulated, so the simulation system can stimulate setback and spin of fuze in fire
該模擬系統的原理是將引信及其零部件倒置在模擬彈丸中，通過空氣炮以高速發射出去，然後飛入高速旋轉的旋轉管內，與旋轉管內的緩沖塊和黃銅塊碰撞，碰撞而形成的負加速度作為引信發射時受到的后坐，由於碰撞時與旋轉管一起旋轉，模擬引信發射時的旋轉環境，達到模擬引信發射后坐與旋轉環境的目的。 -
The mesoproterozoic mafic dyke swarms are extensively distributed in the central north china craton, which are not deformed and metamorphic, emplacing the pre - existed fractures, so the dyke swarms become the conspicuous marks to reconstruct the mesoproterozoic tectonic stress field of the central ncc. the mafic dykes in the northern block are transtensional while the dykes in the central and southern blocks are extensional. the mesoproterozoic tectonic stress field could be simulated on the analysis of the distribution and mechanical origin of the mesoproterozoic mafic dyke swarms in the central ncc. the simulation result shows that the mafic dyke swarms were formed in the extensional tectonic setting in the ncc in the mesoproterozoic time, which are related to the extension of the mesoproterozoic yanliao - zhongtiao aulacogens cross the central ncc
克拉通北部地塊的鎂鐵質巖墻群為張剪性，而中部和南部地塊為張性。根據華北克拉通中部中元古代鎂鐵質巖墻群的分佈和成因機制分析，來恢復模擬中元古代的構造應力場。數值模擬結果表明鎂鐵質巖墻群在中元古代形成於伸展的大地構造背景，與橫穿華北克拉通中部的燕遼-中條拗拉槽系的伸展作用有一定的聯系。 -
Second, the theory of sub - block circuits which include bandgap voltage reference, over temperature protection, output over voltage protection and input under voltage protection was analyzed and these sub - block circuits were simulated using hspice
在設計子電路模塊時，主要分析了以下四個模塊:帶隙基準電壓源、過溫保護電路、過壓保護電路和欠壓保護電路。 -
Abstract : anchor packer is one of the important downhole tools which areused in oil production and waterflood technical operation, such as layer waterflood, layer fracture or acidation, mechanical water block. after anchor is fixed in the simulated test unit, the invasion depth of the casing can be known with the help of the sensor around the casing wall, and then the failure degree is concluded. this is very important for the anchor packer design and site operation
文摘:在油田開發中封隔器是實施機械採油、分層注水、分層壓裂或酸化、機械卡堵水等注采工藝作業的主要井下工具之一，封隔器上的卡瓦是保證工作可靠性的重要元件，把卡瓦安裝在模擬試驗裝置中，通過在套管壁周圍分佈位移傳感器，測得卡瓦錨定后切入套管壁深度，判斷卡瓦對套管的損傷程度，這對封隔器的設計和現場使用具有十分重要的意義。 -
The chip is accomplished in the full cooperation with other team members, the author pays particular attention to the analysis of the whole chip architecture and three sub - block design : transconductance amplifier ( ota ), voltage reference and current reference. based on existed technologies, a new high order temperature compensated voltage reference and a creative current reference with high order temperature compensation are shown respectively. the author simulated all the sub - block and whole chip by hspice
該晶元的設計是由小組成員共同完成，本人主要負責了總體電路的分析、聯合模擬驗證及以下三個子電路的設計: 1 、跨導放大器，詳細分析了bandgap跨導放大器輸入級的動靜態特性及其優缺點，並結合系統要求，設計了一種與cmos工藝相兼容、可替代bandgap跨導放大器的低壓共源共柵跨導放大器。 -
Some sub - block circuits ( error amplifier, soft - start, enable comparator and under - voltage protection circuit ) are designed and several electrical characteristics are simulated using hspice. finally, the whole chip performance is simulated. and the results show the satisfaction to both function targets and characteristics
在子電路設計中，本論文只對其中的誤差放大器、軟啟動電路、使能比較器和欠壓保護四個子電路進行了電路原理分析與設計，並在此基礎上，運用eda軟體hspice對各功能模塊的各項指標、參數進行了模擬、分析。 -
Consequently, an integrate switch mode power supply with high efficiency and good reliability can be realized by the controller with very few external parts. the fundamental principle of monolithic voltage - mode switching regulator is firstly introduced in this thesis, which is followed by a comparison between voltage - mode and current - mode converters where the pros and cons of both converters are discussed in detail ; next, the global system architecture is proposed upon the design requirements and sub - block circuits are also introduced that focuses on several essential sub - blocks such as amp, wave, pwm control, psc, osc and vref. finally, all sub - circuits and the whole chip circuit are simulated by hspice whose results indicate that the circuit function and performance have perfectly satisfied the design requirements
在論文中，首先闡述了電壓控制模式pwm開關電源的基本原理，對比了電流控制模式和電壓控制模式，分析了各自的優缺點;隨后根據設計要求進行了電路的總體設計，完成了各個子電路的原理分析，電路設計和模擬驗證，重點闡述了誤差放大電路、三角波發生電路、 pwm控制電路、節能控制電路、振蕩電路和基準源電路的分析、設計和驗證過程;最後，利用eda軟體hspice對整體電路進行了功能模擬驗證，模擬結果表明，本文完成了設計工作，達到設計要求。 -
In this dissertation, the generic high - speed adc architectures was investigated and the block of the ultrahigh speed adc was designed. furthermore, the adc system error model was simulated
在研究各種結構的高速a / d轉換器基礎上，設計了一個超高速的a / d轉換器系統結構，並對系統的誤差模型進行了模擬。 -
Based on the charge pump principle analysis and circuit design in the beginning chapters, the author simulated all the sub block circuits and whole chip circuit by applying eda tools hspice and viewlogic
在完成電路原理分析與電路設計的基礎之上，還應用eda軟體hspice對各個子電路模塊和整體電路進行了功能模擬及量化模擬。 -
This thesis is a production of circuit principles and simulation practice. based on the circuit principle analysis, the author simulated the sub - block circuits and the whole
作者在電路原理分析的基礎之上，運用hspice模擬軟體對子電路模塊和整體電路進行了功能和性能參數的模擬驗證，模擬結果均達到或優于預定指標，證實了理論分析的正確性。 -
Based on that, the author simulated most of the sub - block circuits and whole chip circuit by applying eda tools hspice. the simulation results indicate that the ic has achieved the expectation,
理論分析、模擬結果和晶元測試數據表明，在典型情況下，該電路的電流控制精度相對誤差和匹配相對誤差可以控制在0 . 5 %以內，達到了預定設計目標。 -
Base on the boost principle analysis and circuit design in the beginning, the author simulated the sub - block circuits and whole chip circuit by applying eda tools hspice, the simulation result indicates that the ic has achieved the expectation of the function target and the electrical characteristics. although there were unavoidable disadvantages of this project, it is a worthwhile and valuable experience
在完成電路原理分析與電路設計的基礎之上，作者應用eda軟體hspice對各個子電路模塊和整體電路進行了功能模擬及量化模擬，模擬結果均達到或優于預定指標，驗證了作者在第二章中闡述的直流升壓boost電路的設計理論，是設計理論與實踐相結合的一次有價值的嘗試。 -
In this paper, the block element method is used to simulate the discontinuities. the structural planes in rock masses are simulated by the contacted elements between block elements while the rheological property of the structural planes are considered by the usage of a complex rheological model describing elastic - viscoelastic - viscoplasticity as the constitutive relation of contacted elements
本文採用塊體單元法來模擬巖體變形的不連續性，以塊體單元之間的接觸縫面單元來模擬巖體中的結構面，在接觸縫面單元的本構關繫上引入西原模型來研究巖體的流變性質，並進行了工程應用。 -
In 3d finite element method, anchor jack is simulated by link element. in this paper, the method that using link element to assort with block element has been put forward. the mechanism of reinforcing the slope by anchor jack also has been discussed in this paper
錨桿加固是邊坡加固的常用方法，在進行三維有限元計算時，常將錨桿用空間桿件單元來模擬，本文給出了空間桿件單元與地基四面體單元協調的解決辦法，並探討了邊坡錨桿加固的機理。 -
The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines. a method using selector block in matlab simulink to solve the equations in spatial dimension is developed. the pressure transients under different conditions such as different initial flow rate, different viscosity and different initial gas bubble volume are simulated
採用有限差分及matlab / simulink模擬方法，提出了採用simulink中selector模塊求解空間域上積分的方法，對低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程進行了時間域和空間域上的求解，對不同起始流量、不同液壓油粘度和不同初始氣泡量等條件下的瞬態壓力脈動過程進行了模擬研究。 -
The linear coupling of microwave into a vacuum cavity with a slot is simulated at the beginning of this thesis. the resonant effect is verified, and the results show that the reflection of the cavity has little influence on the resonant effect. the numerical computation method is used to study the microwave coupling into slot on a cavity with a block inside
本論文首先模擬了微波脈沖與帶縫空腔線性耦合的情況，驗證了共振增強作用，結果表明腔體的反射對共振增強作用影響很小，然後用數值模擬方法研究了微波脈沖與內置物質塊帶縫腔體線性耦合的問題。 -
According as the base principle of digital video motion parameter estimating, placed emphasis on discussing the block - matching method in motion estimation, gave a intact n - search method, simulated in computer according to the s - vga standard of digital video, and got a accurate motion vectors
依據數字視頻運動參數估計的基本原理，重點討論了運動參數估計中最常用的塊匹配法，給出了一個完整的n步搜索法方案。以數字視頻演播標準s - vga為標準，採用計算機模擬得到了正確的運動矢量。
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