設計裕度 的英文怎麼說
中文拼音 [shèjìyùdù]
設計裕度
英文
design margin- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 裕 : Ⅰ形容詞(豐富; 寬綽) abundant; plentiful Ⅱ動詞[書面語] (使富足) make (a country or people) r...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
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In most cases, it was found that the jb criterion is safer than hg specification, but adverse result was obtained when r / r is close to 0. 8 and d / t is too small ( less than 40 ). code in c language was worked out for simplifying the calculation
在大多數情況下,按照jb標準對此種結構進行補強設計時其安全裕度要比hg標準為高;但是當開孔率接近0 . 8且d t很小時(不大於40 ) ,依jb標準補強設計后的安全裕度反而較按hg規范計算結果要小。The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc
摘要介紹了在滿足高超音速再入橫向機動航程,高超音速再入飛行時的升阻比,亞音速進場飛行時的升阻比,縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。Finaly, according to the the temporary criteria for the strength design and test accreditation about the passenger car that can run at 200km / h speed or upwards, intensities of the frame and swing boster are analyzed
最後,按《 200km h及以上速度級鐵道車輛強度設計及試驗鑒定暫行規定》的要求對構架和擺枕的強度指標進行了校核。通過校核可以看出,構架和擺枕的強度滿足要求,而且還有一定的裕量。By means of the sea trial, it is verified that at full loading condition of 12. 5m draught, the vessel ' s speed attained to 15. 09 knots with the rotate speed of 100. 5rpm, at the condition of the sea margin of 15 % and rotate speed margin of 5 % at csr of main engine
Sin ) ,主機正常功率帶有15的海上裕度和5轉速裕度時,航速為15刀9節,轉速100 5pm ,與設計吻合。最後,本文進行了滬東型( hd )螺旋槳的系列研究。Criteria were set to ensure the capital adequacy of the service providers, and also to ensure that they have sufficient experience, knowledge and resources to administer retirement schemes
設定準則,確保受託人的資本充裕程度,以及在管理退休計劃方面有足夠經驗、專業知識及資源Abstract : the sensation of wearing pressure have assessed for knit garments having different sizes and fabrics having the different extensibility, by developing a wearing experimental procedure. at the same time, the objective clothing pressure, the fabric ' s extensibility and the garment ' s fitness have measured. regression analysis showed that the garment ' s fitnessand fabric ' s extensibility had great predictive power for the subjective pressure assessment
文摘:設計了一組服裝用於穿著實驗.對不同尺寸、不同彈性性能的緊身長褲進行了主觀壓力感評價,並測量了服裝壓、衣料的拉伸變形程度和服裝寬裕率.通過分析,選用服裝寬裕率和織物的彈性模量作為指標預測服裝的穿著壓力感Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大,運行時風門開度較小(對入口調節器調節)或低轉速運行(調速運行方式) ,風機效率較低的狀況,通過對某電廠送風機改造實例的分析,提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策,對電廠的節能增效有一定的積極作用。In order to evaluate such characteristics as weight and static stability of proposed concepts effectively and conveniently during aircraft conceptual design, the implementation of center of gravity and associated weight estimation in an computer aided aircraft conceptual design system, whose data organization is object oriented, was studied
摘要為了在飛機概念設計階段有效而便捷地評估方案重量和靜穩定裕度等特性,研究了在一個按照面向對象方式進行數據組織的計算機輔助飛機概念設計系統中進行重心及相應重量估算的措施。Firstly, a two - stage structure for the ota is presented after comprehensive considerations on characteristics like open - loop gain, unity - gain bandwidth, phase margin and settling time. then the input and output topologies have been decided by comparing different structure available for this purpose
首先,通過對ota開環增益、單位增益帶寬、相位裕度和建立時間等性能指標的分析,並對比了幾種典型運放結構,設計開發了一種cmos全差分共源共柵兩級運算放大器框架。Usually the low power operational amplifier is designed with rail to rail output stage, whose signal dynamirange is small, its output driving force is not strong, here it is designed with voltage displacement stage, and the strong driving force and the low power consumption in this circuit are achieved. with 5v single power, this amplifier consumes only several a, 100khz unity - gain frequency, achieves 80db dc open gain and 55 phase margin for a 100pf load capacitance and a 1m load resistance and other advantages
通常設計的低功耗軌對軌輸出運算放大器中,由於信號的動態范圍比較小,它的輸出驅動能力不強,這里設計的是採用電平位移電路同時實現了電路的強驅動能力與低功耗,它具有在單電源電壓5v的條件下,靜態工作電流只有幾微安,單位增益帶寬達100k ,開環增益能達80db以上,相位裕度也能達55度,輸出源沉電流達500微安以上等優點。2. decoupling performance and stability robustness are contradictory, we draw this conclusion by using stability margin ' s evaluation method which is based on the minimum singular value of return deference matrix for the multiva
2 、採用基於回差矩陣最小奇異值的穩定裕度求法,通過不同解耦方法的比較,得出結論:解耦性與魯棒性是一對矛盾,設計時必須進行折衷處理。分享友人