設計常數 的英文怎麼說
中文拼音 [shèjìchángshǔ]
設計常數
英文
design constant-
The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated
利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。A composite 3d cadastre model based on the land usufruct is described. on the basis of it, a 3d conceptual model integrating house property with cadastral information is put forward
摘要結合目前地籍管理日常業務絕大多數僅涉及到土地使用權信息變更的管理實踐，提出了適用於我國的基於土地使用權的復合三維地籍概念模型，並進一步提出了「房地合一」三維地籍概念模型的設計。In the design and application of electronic engineering, both in open circuit and in closed circuit, signal is certainly affected by environment, the status of the transport network and the change of the parameters of the components applied. then the characters of useful information will be changed more or less and the change is generally called as distortion, namely so - called signal distortion
=在電子工程的設計和應用中，信號無論在開路傳輸或閉路傳輸中都受到環境、傳輸網路的工作狀態和應用的元器件參數變化的影響，從而會或多或少地改變有用信息的性質，這種變化就是所謂的信號畸變現象，通常稱作失真。For this reason bridging the communications gap between serial - only devices to tcp / ip network hosts is a very important research topic. the thesis starts from the three research methods about gateway equipment, talks about the each characteristics, finally brings forward the material method how to implement the tcp / ip stack on the 51 mcu. at the same time, it uses the format of the callback function implementing the application layer protocol facing industrial real - time communication ( modbus protocol )
論文從目前國內主要的三種關于網關設備的研究方法談起，討論了各個方法的特點，提出了在常規的51單片機硬體上實現簡化的tcp / ip協議棧設計方法和具體實現，並利用回調函數的形式實現了面向工業實時通訊的應用層協議（ modbus協議） 。To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience are obtained that are very useful in developing cryopumps
開展中性束注入系統液氦低溫冷凝泵的研究，對獲得優良的束傳輸效率，具有非常重大的意義；並為以後相關應用領域中低溫冷凝泵的設計提供了性能參數和工程經驗。For jiangpinghe double - curved arch dam, 3 - d elasto - plastic fem is made, in which the point safety factors of the dam - abutments system and the safety margin for coefficients of sliding resistance on 7 potential sliding blocks of the dam before and after the reinforcement of the dam are calculated under the conditions of the normal storage level and the design flood level respectively based on the results from the analysis made with fem
摘要對江坪河雙曲拱壩進行了三維彈塑性有限元分析，利用有限元應力成果分別計算了正常蓄水位、設計洪水位等3種工況下加固前後壩體壩肩系統的點安全系數和7個可能滑動塊體的抗滑富餘系數。We deduce frondose algorithm of three layers bp neural networks which is used in common, and discuss several important issues in designing neural networks which is used to forecast, for example, number of hidden layer, nerve cell number of hidden layer, epoch of learning, embryonic power value, decision of node number about input and outputo at the same time, this dissertation sums up things that conventional bp algorithm is improved on considering disadvantages of it
3推導了常用的三層bp神經網路具體演算法，討論了實際預測應用中神經網路設計方面的幾個重要問題，如隱層數、隱層神經元數、訓練次數、初始權值、輸入節點數以及輸出節點數的確定。同時，針對傳統bp演算法存在的各種各樣的缺點，文中綜述了對其改進的情況。The person resides domestic design like, often be with the comfortable index of sitting room and bedroom highest, and the design of the kitchen chang yiqing feel well is good arrange to design a key, if can raise the comfortable rate of the kitchen, close design can let more person prefer to take a kitchen, and won ' t will taking a kitchen is to be a dangerous road
般人居家的設計，常以客廳及臥室的舒適指數為最高，而廚房的設計常以清爽好整理為設計重點，若能增加廚房的舒適程度，貼心的設計會讓更多人更喜歡進廚房，而不會將進廚房是為畏途。Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied
通過時域有限差分法進行數值模擬分析，並採用吸收邊界處理同軸線軸心奇異點，計算出各種探頭測量相同溶液的反射系數，根據其測量的靈敏度，選出最優設計；並通過分析所選探頭的各種設計參數，如薄膜厚度、內導體伸出長度等的變化對測量結果的影響，找出該探頭各參數的最佳范圍，使其具有高度靈敏性，以適用於測量化學反應溶液的介電常數。Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves
在課題實驗條件下，模擬計算了直接檢測dial系統的測量靈敏度。在考慮大氣折射率結構常數對系統測量靈敏度影響的基礎上，並對各種系統參數如光束半徑、束散角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算，為合理選擇系統設計參數提供了依據。The program composed of many function modules in construction can realize different function, and the main design parameter is transferred by data document. so it can really reinforce the drawing ability of software and make the software ' s update and maintenance become convenient
這一部分程序在結構上主要採用了函數模塊組合的方式，通過不同的函數模塊組合實現不同的功能，主要設計參數也通過數據文件的形式進行傳遞，這樣可以大大加強軟體的繪圖能力，同時也使軟體的升級維護變得非常方便。On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer
本文基於甘肅黃土分佈、工程地質及路用特性研究，對該黃土地區在建和已建的全部高等級公路交通狀況進行了詳細調查和分析，劃分了交通量等級；對甘肅黃土地區代表性的高等級公路，利用三種不同方法實測了土基回彈模量，分析了各測試方法的相關性，建立了相關關系，對土基回彈模量進行了強度等級劃分；通過室內外試驗比較，推薦了常用的半剛性材料和瀝青混凝土設計參數值；利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ，並成功求解了瀝青路面結構非線性優化設計模型；最後經計算提出了甘肅黃土地區高等級公路瀝青路面典型結構，並編制了查詢圖庫軟體cx ? lq ，供設計單位直接選用，科學簡便地解決了甘肅黃土地區的路面設計問題。Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio
通過對加預濾波器后的定時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。A general air - conditioning system is calculated, which indicates that the temperature difference must be less than 12. 8 and 9. 2 and 10 respectively in cool air distribution system, chilled water system and cooling water system
計算表明，對于常規空調設計參數，大溫差送風的送風溫差不宜超過12 . 8 ；大溫差冷凍水的供回水溫差不宜超過9 . 2 ；冷卻水大溫差技術在冷卻水供回水溫差小於10時總是適用的。In slope control engineering design, still adopt routine definite value design method at present, which regard design parameter as definite value, has neglected their randomness and variability
在邊坡治理工程設計中，目前仍採用常規定值設計法，把設計參數當作定值來處理，忽略了它們的隨機性與變異性。Competition for his services is keen because there aren ' t many chinese museum designers, and museum authorities are reluctant to entrust projects to established foreign firms, though some do
對其服務的爭奪非常激烈，因為中國的博物館設計師數量不多，大多數博物館主管單位也不願把項目交給外國機構。By solving the christoffel equation, the relationship between velocity and angles is obtained, and the ultrasonic inverse velocity curve is illustrated. the dixon equations of ao diffraction on the xoz and yoz planes in ln crystal have been applied to obtain the geometric relationships of acousto - optic interaction. therefore, the beam steering theory is proved to be a possible way to do the optimum design of ln anisotropic acousto - optic deflector. the detailed parameter data and the figures on the xoz and yoz planes with the angle of incidence of - 5 degree are shown up, which will contribute to the desigh of aod
對鈮酸鋰超聲跟蹤反常聲光偏轉器進行優化設計，經研究計算得到了分別在入射角取- 5o時xoz與yoz工作平面中正負一級衍射中分別使用快切變波與慢切變波的情況下，優化設計鈮酸鋰超聲跟蹤反常聲光偏轉器的設計參數，對聲光偏轉器生產設計有實際參考意義。The numerical simulations of loading processes of flier - plates show that the loading history of the flier - plate designed with wave impedance as design parameter is significantly different from that of the flier - plate designed with density as design parameter and the former is expected to have better quasi - isentropic characteristic, which indicates that it is very essential to use wave impedance as design parameter directly to design the wave impedance distribution of flier - plate
而以波阻抗作為設計參數，所得飛片的擊靶波形隨時間的變化更加平緩，有望獲得更好的準等熵壓縮性能。因此，直接採用波阻抗作設計參數，實現梯度飛片波阻抗分佈的精確設計是非常必要的。Abstract : since nearly all of the dimension parameters in technological process planning are coupled together, manual method in the process dimension parameter planning ( pdpp ) is not always efficient and effective. in order to increase design efficiency and effect, an essential mathematic model about pdpp is established, and two basic constraint sets are given. this model is not only helpful to realize the automation and optimization of pdpp, but also useful to verify the correctness of existing pdpp methods and to find better pdpp methods
文摘:由於工藝過程設計所涉及到的所有尺寸參數幾乎都是耦合著的，因此採用人工的、憑借經驗的方法進行工序尺寸參數設計常常效率甚低.為了提高設計效率及經濟效果，建立了一種工序尺寸參數設計的基本數學模型，並給出了兩個基本可行域的結構.該模型的建立不僅可用於實現工序尺寸參數設計的最優化和自動化，而且可用於證明已有方法的正確性及發現更好的設計方法The optimization design of aerodynamic shape for reentry vehicles ( asrv ) is a design problem of the complex engineering system, which often involves several subsystems and various parameters
再入飛行器氣動布局優化設計是一個復雜的工程系統設計問題，通常包含若干子系統和大量的設計參數。分享友人