方案驗證機 的英文怎麼說
中文拼音 [fāngànyànzhèngjī]
方案驗證機
英文
proof-of-concept aircraft- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 案 : 名詞1 (長桌) table; desk 2 (案件) case; law [legal] case 3 (案卷; 記錄)record; file 4 (提...
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 證 : Ⅰ動詞(證明) prove; verify; demonstrate Ⅱ名詞1 (證據) evidence; proof; testimony; witness 2 (...
- 機 : machineengine
- 方案 : scheme; plan; programme; project; proposal; suggestion; formula; scenario; outline
- 驗證 : test and verify; checking; proving; testing; confirmation; [數學] corroboration; inspection; veri...
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The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested
通過試驗檢驗噴霧機樣機的噴霧性能,並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣,證明導流器的安裝不僅增加了噴幅,而且還提高了霧滴均勻性系數。根據大量試驗的結果分析,找出了霧滴直徑在噴幅方向上所呈現的變化規律,並提出了合理的噴幅范圍。In this dissertation, we mainly study the efficient architecture of channelized digital receiver, discuss the particular realization approaches, then testify them with simulation
本文主要研究了通道化數字接收機的高效結構,討論了具體實現方案並進行了模擬驗證。For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”
本文主要開展了以下三項研究工作: ( 1 ) .用自定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗,證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率,對於20次列印-掃描實驗,誤碼率不大於0 . 0026 。This paper study practice of small and medium - sized enterprises ' bpr, using weifang charming hometextile co., 1td as research objiect, using author ' participant practice of bpr as background, combine process manage management, project management, iso9000 quality control system and other modern times manage theories. on the basis of analysis of environment, form stratagem programming scheme, this paper search key process analyse process, form new process. at the same time, with institution reform, human resource mechanism desigm, come into being frondose, executable scheme. and validated in the practise
論文首先對企業內外部環境進行詳細分析、形成企業戰略規劃方案;根據戰略規劃發展的需要,確定關鍵流程? ?產品開發流程和生產管理流程;對關鍵流程進行分析診斷,確定其存在的問題;形成新的工作流程,輔之以機構重組、人力資源及激勵機制設計,形成具體的、具有可執行性的方案,並在實踐中得到一定的驗證。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif
文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案,由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構,對ic2001和dsp的主要功能模塊, hi模塊, dsp片上外設hpi口、 edma和emif總線作了分析,並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統,進行功能實現后輸出數據繪制出波形圖,對所設計的基帶系統驅動方案進行驗證分析。Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed
通過理論分析、模擬分析和實驗驗證,得出這兩種旋轉變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。The field experiments prove that based on the motor running condition, this solution can real time continuously adjust its running frequency to reach object of energy saving and efficiency increasing
現場實驗證明,該解決方案能根據電機運行狀況實時、連續地調節其運行頻率,從而達到節能增效的目的。This thesis mainly introduce designing ~ debugging ~ doing experiment and analyzing result of experiment, the following concretely introduce content of thesis. firstly, according to purpose of designing and making mechatronics coupling experiment bench, demonstrate project of experiment bench, establish mathematics model of experiment bench, which consist of mechanism transmission systems servo amplifier and servo motor
本論文主要介紹機電參數耦合實驗臺的設計、調試、實驗及其實驗結果分析,具體內容如下:首先,從研製機電參數耦合實驗臺的目的出發,論證實驗臺的設計方案,建立實驗臺的數學模型,包括機械傳動系統、伺服放大器和伺服電機。Basing on the analysis about the reason that how the superabundant torque appears, direct torque control strategy is used to realize the servo control of two asynchronous motors and load system ' s simulation. the measure method of superabundant torque of the system, the valid method of static state torque and the benchmark of dynamic torque are given by testifying the system ' s speediness through experiments
在具體分析加載系統中多餘力產生原因的基礎上,採用直接轉矩控制策略,實現了兩臺異步電動機伺服控制和加載系統的負載模擬實驗,通過實驗驗證了系統的快速性;給出了系統多餘轉動慣量的測量、靜態轉矩的校驗和動態轉矩基準的實驗的基本方案。For validating the feasibility, generality, and validity of the laboratory design scheme, chapter 3 presents a demonstration model, which uses the fuel system of an aeromodelling as the research object
為了驗證本方案的可行性、通用性和先進性,在第三章利用航模飛機發動機燃油系統作為研究對象,給出了一個演示驗證系統。In order to affirm that our ideal and project of lab ' s establishment are right, we then introduce an example about lab ' s establishment, which is about remote real - time health monitoring system for structure of an aeromodelling ' s wing
為了驗證我們建立實驗室的框架和方案是行得通的,文章接著又研究了採用一架航模飛機作為研究對象,來建立一套監控航模飛機機翼結構的健康監控系統。In this paper the knitting principle and loop - forming process of stitch - bonded fabric knitted on flat knitting machine are conceived with the keys methods in this flat knitting put forward
摘要文中構思了橫機縫編織物的編織原理以及成圈過程,提出橫機上編織需解決的關鍵問題及其解決方案,驗證了橫機上編織縫編織物的原理。This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design
首先進行了方案論證,對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參數時變性和非線性因素對控制性能的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠性不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性高,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。As the requirements of its function, a bus control interface board has already been designed. also the paper have provided the scenarios demonstration for the bus control interface board ( bcib ), the design for the protocol of communication, the hardware for bcib, the software for bcib, and the software for the processor ' s communication. while the analysis for the capability of real - time and the calibration and test for subsystem have been also finished. during the design, the system advanced ability, reliability, resources availability and the cost - efficency ratio are considered. the issus such as system integrated control, mutual exclusion of the shared storages, generation of handshaking signal and system self - test were resolved
本論文主要對航空自衛系統的綜合化方式進行了深入研究,並按其功能等方面要求,對航空自衛系統綜合化總線通信模塊進行了設計,主要完成了總線通信模塊方案論證、通訊協議設計、總線通信模塊硬體設計、總線通信模塊( bcib )軟體設計、處理機通信軟體設計、實時性分析、系統調試、試驗等項工作,在設計過程中,綜合考慮了系統先進性、資源利用率、費效比及可靠性等因素;重點解決了系統綜合控制方式、共享存儲器互斥、握手信號產生及系統自檢測等問題。The first key technique : using plain - text cipher and md5 message - digest algorithm to ensure stb and dhcp server ' s certificate and secure the stb and server ' s communications - the second key technique : using hmac algorithm to realize the safe functions - the third key technique : using ipsec to realize safe functions o those three methods " complexity increases in turn and the degree of the security increases as well which depend on the frame of the methods and the complexity of the algorithm. all theose three methods use the unique serial - number or a special slip - window to defend replay attack
主要採用三種安全方案實現:第一種:利用約定的明文密碼驗證機頂盒與dhcp服務器的合法身份, md5驗證信息合法性:第二種:利用hmac演算法驗證機頂盒與服務器身份,信息合法性;第三種:利用ipsec驗證機頂盒與dhcp服務器身份與信息合法性。每一種方案中皆採用包序號唯一法或者滑動窗口法保證重放攻擊。此三種方案復雜度依次增加,安全度依次升高,主要取決于演算法的復雜度與架構的搭建。Carry on a large amount of experiment and analysings, the result of calculation of designing has been verified, the error of designing and computing has been revised, the physical dimension of the rivet has been confirmed finally. combine the real working condition of the factory the difficulties that the rivet stem and the locking collar are difficult to process are solved, a series of feasible technology schemes are made finally. according to the designing and of the test of the blind rivet, consult the relevant standards of u. s. a., the relevant aviation industrial standards which lay the foundation for the popularizaion and application of the rivet are compiled
本文通過系統分析及計算,突破了鉚釘抽鉚成形、剪斷環及時被剪斷、芯桿到位及時拉斷等一系列技術難點,確定了設計方案,運用有限元方法對機械鎖緊鼓包型抽芯鉚釘進行了強度分析:制定了試驗方案,驗證了設計計算結果,修正了設計計算所造成的誤差,確定了鉚釘的結構尺寸;結合工廠的實際生產條件,解決了釘桿和鎖圈難以加工的困難,制定出?系列可行的工藝方案:根據設計及試驗結果,參照美國的相關標準,編制了系列航空工業標準,為機械鎖緊鼓包型抽芯鉚釘的推廣應用打下了基礎。Using for reference typical case, discusses the relation of the sustainable growth and the evolution of competency, and approves enterprise system and entrepreneurship and innovation environment effect the degree of competency by the normative demonstration method, and gets the important conclusion that capability structures in different development periods is not same, learning which determining dynamic capability is influenced by the operating process capability and status and the capability of identifying development chance
借鑒典型案例剖析了民營企業可持續成長與競爭力演化的互動關系,並通過規范的實證研究方法,驗證了企業制度、企業家精神、創新創業環境對競爭力的影響程度,得出民營企業不同發展階段能力結構是不同的、決定動態能力的學習受到操作過程能力、企業地位、發展機會識別能力的不同作用的重要結論。In order to receive the data correctly and store it in computer for analysis and process, a kind of space tracking data recording system based on pci bus is designed and realized in this dissertation, which enhance the space tracking system ’ s integrality
本課題正是在這種應用背景下,通過設計基於pci總線的數據錄取系統,對航天測控系統地面站綜合基帶設備數字接收機所接收的中頻采樣信號和解調后的數據進行接收和存儲,將其送到監控計算機中進行調制方案驗證和數據分析,從而進一步完善了航天測控系統的設計。This paper finished the argumentation, selection about schemes of telemetering digital diversity receiver, and established the design scheme of hardware and software through plenty of experiments on the key techniques
對遙測數字分集接收機的研製方案進行方案論證和選擇,確定實施方案。通過對關鍵技術的實驗研究,確定硬體設計方案和軟體設計方案。分享友人