時移算符 的英文怎麼說

中文拼音 [shísuàn]
時移算符 英文
[物理學] time-displacement operator
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : Ⅰ名詞1 (符節) tally (with two halves made of wood bamboo jade metal issued by a ruler to gener...
  1. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組軸向力在線監控裝置,然後詳細介紹軸向力測力彈性元件的有限元分析,為了提高所研製的測力傳感器的性能,採用有限元方法計了彈性元件在軸向力f = 3 104n的應變、應力、靈敏度及軸位等的分佈情況,分析結果表明:所設計的測力傳感器完全合廠方的要求及儀表性能指標。
  2. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類位變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖間步的模擬計分析,得到了與實測數據較合的結果; ( 6 )綜合監測分析成果和極限平衡理論計分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計分析,取得了較為滿意的結果。
  3. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上,討論了幾種採用典型調制技術的短波數傳系統(如頻調制、多進制頻鍵控慢跳頻、 chess系統)原理、優缺點以及抗衰落和抗號間干擾的性能;分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術;在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制,給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案,並通過計機模擬進行了初部驗證。
  4. The first section, the analysis and design of the general structure and function of the mini uav ' s measurement and control system is discussed. we implement a real - time embedded linux based on general linux, and transplant the embedded linux to a pc / 104 computer

    首先,在詳細分析微型無人飛行器測控系統的總體結構組成與功能的基礎上,將普通linux改造成合本測控系統應用要求的實嵌入式linux系統,並植到了機載的pc 104計機上。
  5. This article deduced the calculation method of column hinge sway in framework structure by analyzing plastic sway of the column hinge sway mechanism ? the most dangerous collapse model in the framework structure with the virtual principle of plastic analysis, and calculated two framework structures and the results is almost the same as those calculated by method of plastic analysis

    通過對框架結構最危險的倒塌模型? ?柱鉸形側機構,對薄弱層的塑性變形通過塑性分析的虛功原理推求框架結構柱鉸形側的計方法,應用此計方法對大連市兩棟框架結構進行計,其結果與彈塑性程分析法結果基本相
  6. We deduce easily the coherent term of quantum dynamical model ( the off - diagonal of reduced density matrix ) by improving the nature of displace operator and the nature of coherent states. then, the interaction is energies of a two - photon mechanism and the usual one - photon or liner driving mechanism. we deduce the coherent term by improving the nature of squeezing operators, displace operators and canonical transformation

    其一,僅有阻尼相互作用和勢能相互作用,此利用位的性質和相干態的性質很方便地推導了量子動力學模型的相干項(約化密度矩陣的非對角元) ;其二,考慮的是既有單光子相互作用又有雙光子相互作用,這利用相干態、壓縮及正則變換等的性質推導出相干項。
  7. We detailed toeplitz operator with unomodular symbol, and generated the theorem proved by michael sand in [ 2 ] from h to h + c ( t ). in the second part of this paper, the author discussed simply when multipliction of two toeplitz operators with symbol in h + c ( t ) or in l. we got two conclusions by analyzing symbol of toeplitz operators. the last, we investigated whether multiplication of two toeplitz operators, which range included all non - cyclic vectors of backward shift, is surjective, and partly answered the question about surjective toeplitz algebra posed by michael sand in [ 2 ]

    對于單個的toeplitz運元,考慮其號的內外分解,得到了它的滿射只與其幺模部分有關的結論,詳細地討論了號為幺摸函數的toeplitz運元的各種情況,在討論號在h ~的特殊情形,推廣michaelsand [ 2 ]中的定理2到h ~ + c ( t ) ,第二部分簡單地討論了號在h ~ + c ( t )以及l ~中的兩個toeplitz運元的乘積的滿射情況,先對toeplitz運元的號進行分析得到兩個結論,最後考察了toeplitz運元的乘積的值域包含后元的所有非循環向量的滿射情況,部分地回答了michaelsand在[ 2 ]中提出的toeplitz代數滿射問題。
  8. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既合工程實際又簡便易行的計方法,供規范使用過程的補充、延伸或參考;同,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據合較好。然後用彈簧表徵連接點的轉動剛度,根據梁的轉角位方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制有限元程序進行計和分析。
  9. According to the theory of market economics, the establishment of fiscal transfer system must conform to some principals, including the principal of scientific and rational, the principal of normative and uniform, the principal of efficient preferably, the principal of equitable concurrently, the principal of public and transparent, and the principal of paying more attention to performance. the design of fiscal transfer system of jiangsu province should comply with periodic goals. we also should calculate the standard for fiscal revenue per capital and fiscal expenditure for all regions in the method of factor and regression, and then decide rationally the fiscal capacity of different regions

    根據市場經濟理論,財政轉支付制度的建立,必須遵循科學合理、規范統一,效率優先、兼顧公平,公正透明、注重績效的原則,江蘇財政轉支付制度的設計要按照分階段目標,採取因素法和回歸法測各地的標準財政收入和標準財政支出,進而合理確定各地的財力水平,保證各地居民享受相對均等化的公共服務擁有相應的財力,同,採取與目標相適應的政策措施,才能逐步建立合江蘇特色的財政轉支付制度。
  10. The latter reminds me of my response to the use of the left and right shift operators for input and output in the iostream library

    (後者使我想起自己在iostream庫中對輸入和輸出使用左位和右位運的響應。 )
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