環形沖模 的英文怎麼說
中文拼音 [huánxíngchōngmó]
環形沖模
英文
ring die-
Deforming tools for larger dimensions such as drawing and pressing dies, deep drawing tools, hot wire rolling, cutting rings, cutting die plates, drawing rings, circular knives, calibrating rolls, inserts for cutting and punching techniques, paper knives
大尺寸的變形工具，比如沖壓模、深拉工具、熱軋軋輥、環刀、切削硬模盤、拉環、圓刀盤、校準軋輥、沖壓和切削技術的襯墊、裁紙刀。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。E. e. enochs put forword the concepts of injective ( projective or flat ) ( pre ) cover and ( pre ) envelope in the early 1980s ", a lot of articles have studied existence and uniqueness of such ( pre ) covers and ( pre ) envelopes, the property of their kernels or cokernels, and character many special rings. moreover, if such kind of ( pre ) covers or ( pre ) envelopes exist, we can construct a complete injective ( projective or flat ) resolvent ( called resolution when exact ) and a partial injective ( projective or flat ) resolvent, and if r is a ring, we can study the relationship of its left global dimension l. d ( r ) ( or its weak dimension w ( r ) ) and the properties of syzygies ( or cosyzygies ) of a resolvent ( or resolution ), and the relationship of its left global dimension l. d ( r ) ( or its weak dimension ) and the exactness of a resolvent ( or resolution )
自八十年代初e . e . enochs首次提出並研究內射（投射、平坦） （預）蓋及內射（投射、平坦） （預）包這些概念以來，大批論文研究此類包、蓋的存在性、唯一性問題以及它們的核、上核的性質，並據此刻畫了一些常見的特殊環；更進一步地，當此類包、蓋存在時，我們可構造相應的完全投射（平坦、內射）預解式（當正合時稱為完全分解式）以及單邊投射（平坦、內射）預解式，研究了環的左（右）總體維數、弱維數與此類分解式的合沖模（或上合沖模）的性質、復形正合性之間的關系。Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。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。While this thesis aims to identify the difficulties in tax on e - business on the side of most of developing countries, analyzing the existing tax rules and regulations of china and therefore provide the suggestions for future development of the relevant tax rules in china. the discussion and conclusion are set out from a pre - set case and based upon traditional taxation theories and the existing practices in other countries, which covers the business models, the classification of transactions, and how to define the concept of turnover, profits, services and royalties under e - commerce
本文嘗試站在發展中國家的立場上，通過運用傳統的課稅理論，結合當前各國電子商務的實踐，通過對設定網路案例的模擬經營，通過甲乙兩國採取主動課稅的征稅情況來對稅收原則在電子商務環境下所受到的沖擊的方面進行系統分析，酯出對電子商務課稅的難點所在，並結合各國對電子商務征稅實踐，分析了在電子商務中跨國所得的表現形式，具體分類，如何準確的界定在電子商務征稅實踐中對營業利潤，勞務，特許權使用費的概念等等。Products : 50 tons drawing dies, 100 tons punching dies, 150 tons carbide parts for diamond manufacturing, 100tons rollers, 100 tons seal rings and 150 tons other special parts
產品方案：各種線、棒、管材控制模50噸、沖壓模具100噸、頂錘壓缸150噸、軋輥環100噸、密封環100噸、其它異形產品300噸。The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion
我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。The current in the dac ’ s output can drive the load, and the structure can save a buffer consisted of operational amplifier, so the structure can achieve high speed with no close - loop and feedback in this circuit
該10位分段式電流舵型數模轉換器的輸出端可直接用電流輸出來驅動負載阻抗，省去運算放大器構成的輸出緩沖，整個電路中沒有形成閉環和反饋，因此這種電路結構可以達到很高的速度。( 3 ). the theoretical analysis and the experimental study on an active mode - locked fiber laser are conducted. the harmonic mode - locked pulses of 2. 5ghz and 5ghz are achieved and the 2 - 4 order rational harmonic mode - locked pulses of 2. 5ghz are researched in active mode - locked erbium - doped fiber ring lasers
（ 3 ）對主動鎖模光纖激光器進行了理論分析和實驗研究，在主動鎖模摻鉺光纖環形腔激光器中實現了2 . 5ghz 、 5ghz的諧波鎖模，並在2 . 5ghz的調制頻率下獲得了二、三、四階的有理數諧波鎖模脈沖。Abstract : because the shenfu - dongsheng mine area is located in intermediate of arid and semiarid zone, its ecological environment is very fragile. based on the fragileeco - environmental, the coal mining and construction have brought out some new environmental problems. man - made debris flow problems is the most serious of them which caused by coal mining, construction of railway and highway as wellas exploiting stone. through a great deal of experiments of artificial simulation setting water rushing to two types of slope debris flow and debris flow gully in shenfu - dongsheng mine site, the characteristics is favourable to formation of debris flow ; ( 2 ) the waste gangue is easy to initiate and is main solid material of debris flow in this area ; ( 3 ) the whole debris flow process could be observed through the model simulation experiment of debris flow gully. at present, this experiment method is the best way to analyze debris flow genesis and process
文摘:神府東勝礦區位於黃土高原北部乾旱半乾旱過度地帶，由於煤田的大量開采，誘發了大量的環境問題，尤以人為泥石流最為嚴重.本文以神府-東勝礦區人為泥石流為研究對象，採用人工放水沖刷模擬實驗的方法，分析了坡面型和溝谷型泥石流源地鬆散體起動、產沙、泥石流過程的特性，所得結論為: （ 1 ）放水歷時長、強度大，有利於泥石流的形成; （ 2 ）棄土石渣易起動，是該區泥石流固體物質的主體; （ 3 ）溝道型泥石流放水沖刷模擬實驗，便於觀測泥石流的全過程，坡面型泥石流放水沖刷模擬實驗，利於統計產沙、觀測侵蝕形態Because the shenfu - dongsheng mine area is located in intermediate of arid and semiarid zone, its ecological environment is very fragile. based on the fragileeco - environmental, the coal mining and construction have brought out some new environmental problems. man - made debris flow problems is the most serious of them which caused by coal mining, construction of railway and highway as wellas exploiting stone. through a great deal of experiments of artificial simulation setting water rushing to two types of slope debris flow and debris flow gully in shenfu - dongsheng mine site, the characteristics is favourable to formation of debris flow ; ( 2 ) the waste gangue is easy to initiate and is main solid material of debris flow in this area ; ( 3 ) the whole debris flow process could be observed through the model simulation experiment of debris flow gully. at present, this experiment method is the best way to analyze debris flow genesis and process
神府東勝礦區位於黃土高原北部乾旱半乾旱過度地帶，由於煤田的大量開采，誘發了大量的環境問題，尤以人為泥石流最為嚴重.本文以神府-東勝礦區人為泥石流為研究對象，採用人工放水沖刷模擬實驗的方法，分析了坡面型和溝谷型泥石流源地鬆散體起動、產沙、泥石流過程的特性，所得結論為: （ 1 ）放水歷時長、強度大，有利於泥石流的形成; （ 2 ）棄土石渣易起動，是該區泥石流固體物質的主體; （ 3 ）溝道型泥石流放水沖刷模擬實驗，便於觀測泥石流的全過程，坡面型泥石流放水沖刷模擬實驗，利於統計產沙、觀測侵蝕形態The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma
浙江大學博士學位論文4 .研究了基於脈沖響應模型的動態矩陣預測控制田mc ）演算法，針對單輸入、單輸出系統可能出現的預測模型誤差，分別以脈沖響應系數上下界和脈沖響應系數誤差平方和的形式對預測模型的模型誤差進行定義，根據該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判據，當閉環多項式系數不能滿足j切嘆主系數定理的情況下仍能保證系統閉環穩定。This paper develops a nomal model of the cigarette distribution system of hongta group by analyzing the environment, factors, mechanism about the cigarette distribution system of hongta group, it analyze the reason, way of the cigarette channel of hongta group conflict by quoting the theory of conflict of orgnazition behavior, put thes forward to some measures to manage and coordinate channel conflict. it also, from the manufacture ' s ( hongta group ) position, designs some indexes and methods for evaluating distributors ( tobacco company ), channels and the cigarette distrubution system of hongta group, which evaluates distributions between qualitative aspect and quantitative aspect, evaluates channel by using channels " value - lose - table method and results comparing method, evaluates the cigarette distribution system ' s of hongta group competitive power by applying an envaluating model which develops from fuzzy and ahp. according to the environments changing, channel conflict, envluating results, it analyzes the reason and steps about the adjustment of the cigarette distrubution system the cigarette, offors the style and content of the adjustment, also puts foaward to three styles of innovation of the cigarette distrubution system the cigarette by quoting the innovation theory
並且從生產商（紅塔集團）的角度，分別按分銷商（煙草公司） 、分銷渠道及整個分銷體系三個層次建立了相應的評價指標和評價方法。其中，從定性、定量兩方面對分銷商（煙草公司）進行了評價，採用分銷渠道損益表法、潛在市場與實際對比法對分銷渠道進行評價，而且，從理論上構建了將模糊集合論與層次分析法相結合的綜合評價測度模型，據此對紅塔集團卷煙分銷體系競爭力進行了評價。根據紅塔集團卷煙分銷體系環境的變遷、渠道沖突、分銷體系評價結果等，進一步分析了紅塔集團卷煙分銷體系調整的原因與步驟，並提出了分銷體系調整的形式和內容。With the help of the fuzzy algorithm in the controller, the output voltage of the power can be controlled and the voltage wave can be adjusted to be symmetric so that the lift can stop accurately, and the shock can be decreased
實驗結果顯示，採用這種模糊控制的環流變換器的電壓輸出性能得到大幅改善，波形對稱且非常接近正弦形，能夠保證礦井提升機停位準確，減少沖擊。" create and capture consumers, attract consumers by promise, capture consumers by satisfaction ", becomes the core content of market opening. since man comes into 1990s, computer technology, communication technology, network technology and multi - medium technology etc. modern information technology develop and permeate quickly, which brings huge blast for marketing of enterprises. how network, data and multi - medium advanced technology is introduced into marketing by enterprises, realizes the management model that enterprise inside informatization is its center, sharing and building information resource together, is the new project of enterprises under new situation and environment
人類進入20世紀90年代以來，計算機技術、通信技術、網路技術和多媒體技術等現代信息技術的迅速發展和滲透，對企業的市場開拓帶來了巨大的沖擊，企業如何將網際網路、數據庫、多媒體等先進技術引進市場開拓中，實現以企業內部信息化為主的管理模式，供應鏈上下游企業的信息資源共享、共建，生產者、經營者和消費者的實時溝通，是新形式新環境下企業面臨的新課題。The renewal of historic building and its environment embodies the progress of city and comes down to many aspects of sociology, philosophy and the human ' s culture while it always stay in the dilemma of " protection " and " development ". considering the circumstance, this paper chooses the commercial reuse of the historic buildings as necessary and appropriate pattern to promote the revitalization of old districts. involving with urban sociology and psychology, corresponding governing principals and applicable reconstruction methods are brought forward
歷史建築及環境的更新和再利用代表著城市有機生長的過程，舊有形式與新功能的矛盾與沖突涉及到社會學、哲學以及文化等多個領域的深層次問題，本文選擇最能切實有效的解決現階段我國歷史街區保護與發展矛盾的改造模式? ?文化休閑性商業街改造為切入點，從可行性研究層面，結合城市社會學、心理學的相關內容，力求對歷史建築及其所處環境更新再利用過程中的理論指導與具體改造利用手法進行相關分析和闡述。In the present experiment studies, an acute traumatic model of lateral cortical impact was employed to study expressive changes of microtubule associated protein - 2 ( map - 2 ), cyclooxygenase - 2 ( cox - 2 ), glial cell line - derived neurotrophic factor ( gdnf ), caspase - 3 mrna and protein after brain injury in rats. immunocytochemical staining, western blotting, nucleic acid in situ hybridization with an oligonucleotide probe and computer image analysis were used to detect the dynamic changes of map - 2 mrna, cox - 2 mrna, gdnf mrna, and caspase - 3 mrna in the cortex after moderate traumatic brain injury ( tbi )
本實驗從自行設計大鼠腦損傷落體打擊器開始，先行建立了一個便於觀察和施加處理因素、控制性好、重復性好的動物模型，選用30g擊錘從25cm高處下落，沖擊應力d為355 . 09kpa ，打擊大鼠右頂部，造成中等程度的閉合性腦損傷，從病理形態學、組織超微結構觀察及微管相關蛋白- 2 （ microtubuleassociatedprotein2 ， map - 2 ） 、環氧合酶- 2 （ cyclooxygenase2 ， cox - 2 ） 、膠質源性神經營養因子（ glialcellline - derivedneutrophicfactor ， gdnf ） 、 caspase - 3基因及蛋白表達的時間性變化，詳盡系統地闡述腦損傷后各指標變化的時間規律性及表達差異可能的形成機制。First of all, this article takes the cubic function elastomer in nonlinear system for examples, taking advantage of the method of state space and the dynamic simulation environment of matlab / simulink to convert the dynamics model into simulation model and choosing a suitable simulation arithmetic. at the meantime, the model parameter graphical can be prepared by use of the matlab ' s callback functions and will conveniently modify the parameters of system
首先，以三次函數型非線性緩沖包裝系統為例，從求解緩沖包裝系統動態響應的角度出發，採用matlab simulink模擬環境，利用狀態變量法將系統動力學模型轉化為模擬模型，選擇模擬演算法，利用matlab中的回調函數，編制緩沖包裝系統的參數圖形界面，可以方便修改系統的參數。The paper provides a visual modeling scheme using object - oriented technology, and does experiments for current impulse response models from model change to parameter design to graphical modeling. the frame is a visual solve for simulation analysis and transmission forecast of radio channels. on the one hand, the paper takes classic radio channels as independent objects and builds their graphical models, comes into being a visual universal model library
本文深入研究了無線通信通道、尤其是多徑通道的傳輸特性，提出一種基於面向對象的可視化無線通道建模和模擬方案，對具有普適性的通道沖激響應模型進行了從模型轉換、參數設計到圖形建模等環節的實驗，建立起統一的、一體化的通道建模模擬實驗框架，為無線移動通道的分析、建模、模擬和傳播預測提供了一種可視化的解決方案。分享友人