重構波形 的英文怎麼說

中文拼音 [zhònggòuxíng]
重構波形 英文
reconfiguration waveform
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 重構 : bpr
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是非常要的.本研究室建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力,還能在心室活動周期的特定時相、以適當對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制
  2. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常要的.本研究室建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力,還能在心室活動周期的特定時相、以適當對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制
  3. On basis of the producing fact of kiu ming heavy machine ltd, the author get much fact material through inner research, and presents a imagine of new corrugated - web structure of overhead traveling crane. through enough compare and argumentation, this paper presents using sine curve as corrugated sheet of web

    作者根據昆明機股份有限公司的生產實際,深入調查研究,在掌握大量生產應用實際的資料基礎上,提出了橋式起機的箱主梁的新型腹板結的設想,並在充分比較和論證的基礎上提出了以正弦曲線作為腹板的
  4. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力的產生、傳播以及該對沉樁過程的影響。認為與樁等阻的細長狀錘體能夠產生理想的應力;在樁錘量一定的情況下,可針對不同的地質情況和樁,通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結和工作原理進行了深入的研究,並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。
  5. At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave

    同時,由於全懸掛空心軸、半懸掛抱軸承等復雜結車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪,各型機車輪軸結不同,車軸加工臺階和過渡圓角不同,從動牽引齒輪與車軸採用過盈裝配等,在這些結復雜且疲勞裂紋產生集中的區域,探傷時極易發生交織和復,難以識別真正缺陷
  6. The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved

    分析了采樣和的數學模型,得出了一個要結論:過采樣可以減少d / a輸出信號的高頻端衰減失真,可以降低低通濾器的設計難度,從而提高質量。
  7. It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module

    該任意發生器不僅能產生正弦,方,三角等常用的標準信號,還可根據用戶的需要生成任意,具有寬頻帶,高的頻率解析度等特點,其最高輸出頻率可達80m ,頻率解析度可達1 hz ,最大存儲深度為64k ,對于目前三種典型的任意發生器的結? pc總線插卡式,獨立儀器, vxi模塊都有要的參考價值。
  8. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的靜態圖像幀,經過背景去除,把感興趣的人體區域提取出來,通過二值化,中值濾等預處理方法得到只有人體的一個單連通區域,然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而建出腿部骨架模型。 2 )實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩塊三種方法確定每一幀中其實際坐標,從而出腿部骨架的運動過程。
  9. In this paper, the hal - c conception is studied according to the project requirements, and describes the functions of the hal - c in software waveform implementation. then the issues implementing the hal - c on the specialized hardware processor are addressed, and the methods of managing the components on fpga and dsp by proxy components with the domain descriptor file and the configuration table are brought out. in the end, the validity of the proposed methods is tested

    論文以sca體系結驗證實現項目為背景,深入研究了sca專用硬體補充規范,點分析了硬體抽象層連接的意義以及它在組件開發中的作用,提出了它在dsp / fpga上實現的方法、步驟;接著從sca應用的角度描述了硬體抽象層連接在開發中的作用,給出了代理組件如何通過域描述文件和配置表管理專用硬體處理器上演算法組件的方法;最後對dsp / fpga上的硬體抽象層連接進行了驗證性測試。
  10. In order to the requirement of the full - bridge shift - phase control it designs the pwm wave engender which bases on epld. the pwm wave engender improves the static precision and dynamic speed of the whole control system

    為滿足單相全橋移相逆變器的軟開關工作條件,本文點開發研究了由epld成的pwm發生器,使得整個控制系統的控制精度和動態響應速度大大提高。
  11. The engineering result confirms that the proposed method is better than the other wavelet methods for matching fault feature of mechanical signal, and the weak impact - rub fault caused by the axis misalignment and rotor imbalance of a key rotating machine in an oil refinery are desirably extracted

    工程振動信號分析表明,同其他類型的小相比,用提升方法造的小能更好地匹配機械信號故障特徵,因此較理想地提取出了某煉油廠催機組轉子不平衡、軸系不對中和輕微碰摩的故障特徵。
  12. The framework of the instument is analyzed firstly, and the paper focuses on the ecg pre - amplifier design, the data acquisition module based - on isa bus with multi channel inputs is realized, the system software that can fulfill the data acquisition, display and communication is also designed. the two patterns of the network communication is introduced in detail

    本文首先分析了智能網路型心電圖系統的結點敘述了前置隔離型心電圖放大器的設計,研製了具有定時采樣功能的多通道數據採集系統,編制了集采樣、實時顯示、測量及網路通信等功能於一體的系統軟體。其中對心電圖儀網路通信部分的兩種模式作了詳細介紹。
  13. Through the theoretical calculation and parameter analysis and compared the result with general composite beam, the results show that the section stress redistributed by the effects of concrete shrinkage and creep and tensile stress by difference temperature will be greatly reduced. the forcing characteristic of this

    通過理論計算和有限元參數分析,與常規組合結進行對比,驗證了預應力腹板組合結具有大大減小徐變引起的應力分佈及溫差和收縮效應在混凝土板產生的拉應力值、對加載齡期和持荷齡期不敏感的特點,結受力性能非常優越。
  14. In our proposed method, both the objective function and the perfect reconstruction condition are expressed as a quadratic function of the prototype filter coefficient vector

    該方法中,目標函數和完全條件均被表示成為原型濾器系數矢量的二次函數式。
  15. Part two is contributed to the analysis of filter banks in time domain. the representation of each part in filter banks and the perfect reconstruction conditions are introduced here. then the design procedure in time domain and several examples are presented

    第二部分,我們研究了濾器組的時域分析方法,討論了濾器組的各個環節在時域中的表示式,以及濾器組在時域中的完全條件,討論了濾器組的時域設計方法,並給出了設計的例子。
  16. Some theoretical extensions are first made in this paper, with the following concepts, theorems and models presented - partial derivative and high - order partial derivative of waveform polynomial for describing the relation between input transitions and output transitions and redefining circuit sensitization ; the concept of waveform polynomial vector for describing a circuit with multiple inputs and outputs, especially for the unified description of circuit modules ; a sensitization theorem for sequential circuits for the purpose of exact timing ; theorems for transition numbers in circuits used to solve problems on noise, power consumption and etc ; waveform polynomial description for sequential circuits used to give a unified form for the function and timing behavior of a sequtial circuit ; and a data structure of generalized list for the representation and manipulation of waveform polynomial

    多項式偏導和高階偏導的新概念,用來精確描述輸出跳變與輸入跳變之間的關系,並在本文中用來新定義了電路的敏化和冒險;多項式向量的概念,用於式化描述實際中的多輸入多輸出的電路,特別是用於統一描述電路模塊的功能及定時行為;時序電路的敏化定理,用於時序電路精確定時分析;多項式描述跳變及跳變數的定理,用於噪聲、功耗等問題的描述;時序電路的完整多項式描述,用於時序電路功能和定時行為的統一描述;多項式的多項式符號表示和運算的模型以及數據結,用來實現對多項式比較有效的描述和運算。
  17. Chapter one introduces the recent development of usb2. 0 and the overall architecture of transceiver interface ; chapter two proposes the design flow and design style ; chapter three presents the whole system and module partition ; chapter four emphasizes on the dual - mode transmitter circuit, and gives out the simulation waveforms ; chapter five focuses on the design of over - sampling receiver and dll ( delay locked loop ) module ; chapter six designs the band - gap reference circuit. in the end, it concludes the design, and estimates the trend of usb. the dissertation is emphasized on dual - mode transmitter architecture, implementation of high speed dll using dba ( digital - based analog ) technology and a new design methodology for complex digital modules in mixed - signal circuit

    本文第一章介紹了usb2 . 0的發展現狀和收發器介面晶元系統;第二章介紹了該晶元的設計流程和風格;第三章介紹了該介面晶元的總體架以及模塊劃分;第四章著介紹雙模發送器電路設計並給出了模擬驗證;接下來第五章分析了過采樣接收器的設計並對其中的dll ( delaylockedloop )模塊設計進行了詳細的分析;第六章介紹了本晶元內置的基準電壓源的設計;最後對本文的設計一個總的回顧和總結,並展望下一代usb的發展方向。
  18. Then the lifting scheme is extended to m band wavelets. the lifting factorization form of m band perfect reconstruction wavelet transform is given. a method for constructing m band wavelet filters using lifting is discussed

    將提升原理推廣到m通道小,給出滿足精確條件的m通道小變換的提升分解式,討論利用提升造m通道小器的方法。
  19. Hardware interface and theory of digital controller and velocity output are emphasized in hardware design section ; pwm wave producing module closely related chip structure is emphasized in software design section

    硬體設計部分點介紹了數字控制器和速度輸出環節的硬體介面和工作原理;軟體設計部分點介紹了與晶元硬體結緊密聯系的pwm產生程序模塊。
  20. In this aticle, we reconstruct the signals of oil - watcr interface and inner pressure through mallat algorithin. the reconstruction ermr satisfies the system resollltion perfectly, which shows that the adaptability of wavelet transform in the analysis of unstable signals

    文中利用mallat演算法對油水界面信號和壓力信號進行了小,以表達式的式將不規則的隨機信號表示出來,誤差滿足系統要求,表明了小變換在非穩定信號分析中的適用性。
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