cable theory 中文意思是什麼
cable theory
解釋
電纜論-
This paper considers the towline as " flexible suspended cable with rigidization " model, and applies catenary theory to analyzing the stress of the towline and to performing the simulation calculation
將拖纜視為「剛化柔性懸索」 ，應用懸索理論中的懸垂線理論對拖纜的受力進行了分析和模擬計算。 -
Further more, with the reference of testing information, the paper analyzed the traveler construction technique, obtained the guy rope stress and the front - end bottom mark of traveler for each step. using fem theory and large general - purpose program ansys, the paper discussed the cable - stayed bridge space stress characteristic and the relationship between several main design parameters
以此為基礎，參照試驗資料，詳細分析了斜拉橋施工中掛籃的施工工藝，及其各個狀態下的受力情況，得出在各個階段掛籃牽索的索力值及掛籃前端各個工況的主梁底立模標高。 -
This major basically offers education design, transmission principle of technology of network of academic, media theory, computer, database and application, cai, multimedia class make, tv program of technology of system of tv of educational cable sound system, education, photography and art, education is made with playwright - director
本專業主要開設教學設計、傳播理論、媒體理論、計算機網路技術、數據庫原理與應用、計算機輔助教育、多媒體課件製作、教育電聲系統、教育電視系統、攝影技術與藝術、教育電視節目製作與編導等課程。 -
The main topics of the summit are as the following : making methods of optical fiber and optical cable, optical communication system, optical device, integration optics, optic wave guide and electromagnetic field theory etc
交流光導纖維及光纜的製作、光通信系統、光器件、集成光學、光波導及電磁場理論等。 -
There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example
本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究，主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討，並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。 -
Through the calculating example results and the comparisons with other calculating theories, it is proved that the calculating formulas of the combined geometry curve theory is valid, practical and accurate. it can be used in the calculation of line shape at the preliminary design, and can meet the engineering need. ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system, including calculating design line shape and internal force, erection line shape of cable and pre - displacement of saddle without loads, the fixed position for erecting cable and amendatory method of cable ’ s unstressed length
通過算例驗證了混合線形理論公式的實用性和正確性，並且與其它計算理論的結果比較，證明公式有足夠的精度，可用做初步設計中主纜線形的計算，能夠滿足工程的需要; （ 3 ）對自錨式懸索橋主纜系統計算理論進行了系統研究，包括成橋線形和內力計算、空纜線形和內力計算、鞍座預偏量計算、索夾安裝位置計算和索鞍處主纜無應力長度修正方法。 -
Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders
其次，根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理；以分段懸鏈線索理論為基礎，推導了懸索的線形變化剛度和懸索支點的滑移剛度；介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。 -
However, for membrane structures and cable - strut structures are always analyzed separately, the cooperative studies on cable - strut - membrane space structures are rare. some research work on the theory and experiment of csmss is carried out in this thesis
但迤今為止，對索桿膜空間結構的研究都是將索桿和膜片分離開單獨分析，在索桿膜協同分析方面還是一個空白。 -
The prospect of development of wind induced vibration theory and vibration reduction technique concerning cables is made with the proposal that the focus of future research may be the vibration reduction method of assistant cable, the method of mtmd, intelligent cable and the theory of optimized vibration control, which should have a promising future
最後對斜拉索風振與減振研究的發展趨勢進行了展望，指出了輔助索減振法、 mtmd減振法、智能拉索、振動優化控制理論將是未來該領域研究重點，有著明顯的應用前景。 -
To avoid the probability, engineer calculate the cable tension and the pre - rising elevation with finite element theory, it cost much time in design the program and repeat calculation, the other hard work is to find out the place where the cables located in span arch structure, its must find out the optimized result manually which restrict the design work. recent years, lots of commercial fea software develop rapidly. engineers focus on the solution of commonness problems by the software existed
為了解決這個問題，設計人員常常採用有限元方法計算扣索受力及拱肋控制標高，並根據計算結果設計扣索吊裝位置，在此過程中大量重復編程及計算工作佔用了很多工作時間，另外在扣索吊裝位置的選定過程中又沒有明確的方法，只能根據大量的計算結果人工尋找優化方案，這些都制約著設計工作的開展。 -
At the beginning of the selection of two controlling methods, the gray theory and the kalman theory these two ways, which are always used in the controlling of cable - stayed bridges, are then introduced and compared with one another. at last, the gray theory combined with forecasting control is adopted to control the real construction
本文從施工初期監控方法的選擇上入手，對灰色理論法和卡爾曼濾波法這兩種在斜拉橋上比較常用的方法進行了詳細的介紹和比較，最後根據本橋的實際情況和控制要求，選擇了灰色理論和預測控制相結合的方法進行施工控制。 -
A new kind of theory and calculating method which is suitable to cable supported bridges was developed in this paper. cable element can include the structure ' s geometry nonlinearity and initial stress, virtual laminated element has high calculating efficiency and good precision. dimensions of lsctb was put forward based on conclusions of optimum analysis
推導了適合纜索承重橋梁的纜索單元；引入虛擬單元理論，提出適用於大跨纜索承重橋梁鋼箱梁的一種新方法?虛擬層合板單元法，該單元具有計算效率高，可以模擬復雜結構並滿足工程需要等諸多優越性。 -
According to the theory of industry development strategy and the theory of regional economy, the report mainly introduced the economy development situation of hejian city, valued the industry development situation of the wire and cable industry, and talked about the exterior environment of hejian economy development, especially the strategic situation
本文依據產業生命周期理論、產業發展模式、發展戰略理論和區域經濟學理論，提出了區域產業發展戰略分析模式。並據此系統分析了河間市經濟發展的狀況，綜合評價我國線纜產業發展水平和發展前景，其中重點討論了河間市線纜產業的戰略態勢。 -
The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration. it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included. this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory
2 .考慮垂度和抗彎剛度對高階自振頻率的影響，探討了索相鄰頻率之差，發現索的高階頻差就是弦振動理論的基頻，利用這一特性，分析了頻差法測索力的精度和適用范圍。 -
The cable tension plays an important role in the construction control and long - term monitoring of cable - supported structures. the engineering implementation of a vibration - based cable tension evaluation is mostly carried out based on the taut string theory where the cable tension is estimated from measured natural frequencies by use of a simple explicit formula
振動法測索力廣泛應用於索結構的施工控制和健康監測，其原理是基於弦振動理論：索拉力與自振頻率之間存在簡單的關系，因此可以由實測的自振頻率計算得到索力。 -
The theme get the integration between design of the large highway bridge in anqing and theory studying, carry out an research in emulating calculation of steel box beam cable - stay bridge. the theme used the transfer - matrix in solving computing of cable - stay bridge structure, got a improving in computing of cable and the load and landed of cable strength
針對鋼箱粱斜拉橋的特性，論文確定了以控制箱粱梁端位移與拉索內力為調整目標，利用循環的正裝過程對斜拉橋的模擬進行計算，並對索塔的塔頂位移進行了良好的控制。 -
Making reference to the anqing changjiang river highway bridge construction and the construction control, firstly, this paper studies the philosophy of the cable - stayed bridge construction control simulation analysis systematically, and pays much attention to the theory of simulating the construction process : backward analysis and forward analysis. then on the basis of introducing the construction process of the anqing changjiang river highway bridge, analysis the construction course fully, and analysis comparatively the result of each girder segment construction simulation, and study the variation philosophy of the line style of large cable - stayed bridge during construction
本文緊密結合安慶長江公路大橋的主梁施工及施工控制實踐，首先系統地分析了斜拉橋施工控制模擬計算的整體思路，並重點分析探討了斜拉橋施工過程計算的理論：理想倒退分析和實時前進分析，然後在介紹安慶長江公路大橋主橋施工過程的基礎上，全面地計算分析了全橋的施工過程，並且應用施工過程計算結果，對每一個梁段的施工模擬工況進行對比分析，研究了大跨度鋼斜拉橋在施工過程中的線形變化規律。 -
The main contents about calculation of cable curve for suspension bridges are as follows : firstly, parabola theory, a traditional calculation theory of linetype for suspension bridge, is introduced. according to behavior of suspension bridge, segmental catenary theory which is an exact calculation theory of cable curve for suspension bridges is then built. after that, the errors and adaptable range of segmental parabola theory, segmental straight - line theory and traditional parabola theory are compared one another
懸索橋線形計算部分的主要內容如下：首先，介紹了懸索橋的傳統線形計算理論? ?拋物線理論；根據懸索橋的特徵，建立了懸索橋主纜線形計算的精確理論? ?分段懸鏈線理論；並由此比較了分段拋物線法、分段直線法及傳統拋物線理論的誤差和適用范圍；分析了索長變化、跨度變化及主纜變形引起的恆載重分佈對主纜線形的影響。 -
Based on the transient response, the control effectiveness of the visco - elastic dampers is further demonstrated. according to the lqr optimal control theory, clipped - optimal control arithmetic, and the modified bouc - wen model of the mr dampers, the lqr - clipped semi - active control is proposed. the passive, active, and semi - active control of the cables are analyzed by using the difference discretization model of the cable - dampers system
結合lqr最優控制理論、面向速度剪切（ clipped - optimal ）控制演算法及修正的磁流變（ nr ）阻尼器bouc - wen模型，創新地提出了lqr - clipped半主動控制演算法，應用拉索振動的差分離散模型，對斜拉索的面內振動進行了被動、主動及半主動控制研究，分析了mr阻尼器對斜拉索的振動控制效果。 -
Antennas are feed by 50ohm coaxial cable and feed networks are unnecessary. and then, tag antennas are analyzed and designed, which include plate balanced dipole antenna, triangle balanced dipole antenna and inductively coupled feed meander - line antenna. theory analysis and simulations are given and optimal results are achieved
然後，對標簽天線進行了分析與設計，分別對片狀對稱振子天線、三角形對稱振子天線、感應耦合饋電折疊線天線等天線形式進行了研究，給出理論分析和模擬計算，得到滿足設計要求的各種形式的標簽天線。
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