整機頻響特性 的英文怎麼說
中文拼音 [zhěngjībīnxiǎngtèxìng]
整機頻響特性
英文
overall frequency response characteristic- 整 : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
- 機 : machineengine
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 整機 : overall unit; complete machine
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula
本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、耗能模量、損耗因子)的影響。Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism
最後,綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響,建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下,對差動平衡機構的虛擬樣機模型進行了動態模擬,得出了能反映該機構動態特性的關系曲線,並確定了其固有頻率,為該機構的改進及其在月球車上的實際應用提供了參考依據。When the mdrlg working, high frequency dithering is introduced, and the strapdown navigation system with mdrlg has some properties which are different from the systems with other types of gyros
機抖激光陀螺在工作時會引入高頻抖動,對整個系統造成影響,因此使用機抖激光陀螺的捷聯慣導系統具有一些不同於其它捷聯慣導系統的特有性質。The characteristics of the intrinsic frequency distribution of the framed steam turbine - generator set foundation are summarized ; it can been seen that the base plate of the framed foundation does not have much effect on the dynamic response of the foundation, and that the " amplitude method " is better than the " resonance method " among dynamic analysis methods. when designing a framed foundation, as long as the load - bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design
論文最後總結了框架式汽輪發電機組基礎固有頻率的分佈特點;指出框架式基礎底板本身對基礎的動力響應影響不大,認為動力分析方法中振幅法優于共振法;並指出框架式基礎設計時,在滿足承載力和穩定性的前提下,柱子應以柔為佳;設計中可以通過調整質點的質量來達到控制基礎振幅的目的。Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift
第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態特性進行了研究,得到了在流固耦合場下運動部件存在的附加質量,該附加質量導致固有頻率下降,單位推力下的加速度頻響曲線整體下移。But it has main key problems such as long response time, low speed stiffness, imperfect control performance and efficiency because " of. it includes inverter and electromotor. the main research contents are as follows
但是,由於大功率大慣性變頻泵控馬達調速系統包括了變頻器和電機環節,使得整個調速系統存在響應慢、速度剛性低、控制特性差及效率等主要難點問題。Based on the nonlinear model, the dynamic characteristic is simulated, by considering the influence of the environmental and geometrical factors, such as oil modulus, chamber volume etc. in chapter 5, the dynamic mathematical model of the whole system is constructed considering the influence of vfvs electrical motor
第五章,給出了考慮變頻電機后整個系統的數學模型,對其動態浙江工業大學碩士學位論文特性進行動態模擬,同時就系統各參數對系統工作特性的影響作了仔細分析。As the application of distributed computing is used much more widely , distributed database becomes a significant part of information management it avoids a lot of disadvantages of conventional centralized database , and is applicable to many situations distributed database is a set of data which is the unity logic , but in fact these data is located on different sites it is of high availability , easy expansibility , high concurrency , high efficiency and etc in distributed system , data redundancy is a method to improve the speed of query and the availability of system distributed query should shield the lower level details of data redundancy from end users , distributed transaction should ensure data from disaccord this paper introduces basic conceptions of distributed database firstly , discusses distributed transaction and concurrent control , describes the development prototype mysql ’ s characters , architecture and executive mechanism , then shows the skeleton model of dpsql and exposes the strategy and algorithm of distributed query and distributed transaction , at last analyzes the extra expenses and response delay of distributed processes this paper exposes the implementation mechanism of distributed query and distributed transaction emphatically distributed query uses the strategy of “ read one , write a11 ” s0 in such a system if user ’ s requests are read - - only for the most part and the distribution of data redundancy is plausible , efficiency is very high distributed transaction uses two - 。 phase commit protocol to ensure the consistency of global data , which has less communication overhead
分散式查詢需要向用戶屏蔽數據冗餘分散的底層細節,分散式事務處理要保證全局數據完整,這都是傳統集中式數據庫不曾面臨的問題。本文首先介紹了分散式數據庫的概念性問題;接著討論了分散式事務涉及的定義及演算法;然後描述了dpsql的原型mysql的特性、結構和執行機制;繼而給出了dpsql的梗概模型,闡述了實現分散式查詢和分散式事務處理的策略及演算法;最後分析了進行分散式處理給系統增加的額外開銷和客戶端的額外響應延遲。本文重點描述了分散式查詢和分散式事務處理的實現機制,分散式查詢採用」讀一個寫全部」的本地優先策略,在讀操作頻繁的系統中,只要庫的分佈合理,單機效率極高,幾乎無任何附加開銷和延遲,而以整個系統的角度看來,吞吐量就更是優于單機系統;分散式事務處理採用兩階段提交協議,通信次數較少並能確實保證副本一致。分享友人