divided beams 中文意思是什麼
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The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers
在被動激光偵察告警中，對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時，脈沖激光信號到達探測器的能量很小，會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法，可對強烈背景光中的激光威脅信號進行探測和告警，並給出其波長參數。 -
The experiments showed that the cracking process of such restrained beams in this paper can be divided into three phases, that is, formation of the fanning zones, initialization and development of splitting cracks along longitudinal reinforcement, and accelerating development of the critical crack and / or cracks ( diagonal, flexural ). during the last two phases, it was observed that further opening of some cracks led to some
研究結果表明，鋼筋混凝土有腹筋約束梁的裂縫開展過程大致可分為扇形區逐步形成、劈裂裂縫出現和發展、最終臨界裂縫（斜裂縫或彎曲裂縫）加速發展至破壞等階段。在後兩個階段中存在某些裂縫發展減弱同時某些裂縫迅速開展的「此消彼漲」的現象。 -
3. the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking
試驗研究表明，纖維增強塑料筋混凝土受彎構件的荷載撓度曲線以截面初裂為界限點分為兩個線形階段。 -
Abstract : this paper studies several main codes of prestressed concrete in the world and analyses their methods to calculate the long - term stress losses. all these methods are divided into two groups. the author introduces the theory of the first group ? ? “ the age - adjusted effective modulus method ( aemm ) ” and analyses how to determine the modulus used in these methods. then, as example, two prestressed concrete beams are calculated to compare the result of different methods. at last, some recommendations for the calculation of long - term stress losses are given to improve the present code of our country
文摘:定性分析了國內外幾本主要規范、規程和建議中關于預應力長期損失的計算方法，將其分為兩類，推導了第一類方法的理論基礎? ?齡期調整的有效模量法，詳細分析了第一類計算方法中各系數的取值，並以兩根預應力混凝土梁為例對各方法的計算結果進行了定量分析，最後對我國預應力長期損失計算方法提出了改進建議。 -
This paper studies several main codes of prestressed concrete in the world and analyses their methods to calculate the long - term stress losses. all these methods are divided into two groups. the author introduces the theory of the first group ? ? “ the age - adjusted effective modulus method ( aemm ) ” and analyses how to determine the modulus used in these methods. then, as example, two prestressed concrete beams are calculated to compare the result of different methods. at last, some recommendations for the calculation of long - term stress losses are given to improve the present code of our country
定性分析了國內外幾本主要規范、規程和建議中關于預應力長期損失的計算方法，將其分為兩類，推導了第一類方法的理論基礎? ?齡期調整的有效模量法，詳細分析了第一類計算方法中各系數的取值，並以兩根預應力混凝土梁為例對各方法的計算結果進行了定量分析，最後對我國預應力長期損失計算方法提出了改進建議。 -
Be different with other botdr systems, the coherent self - heterodyne botdr system uses only one consecutive laser. the light from consecutive laser is divided into two beams, the detecting light and the reference light, by a coupler
與其他的botdr系統分別使用兩臺激光器不同，自相干外差的布里淵散射分散式光纖傳感系統採用一臺激光器，經耦合器分為兩路光束? ?探測光和參考光束。 -
Based on the investigation of research and application of concrete - filled tubular column to steel beam connections in china and abroad, according to engineering practice, six full - size specimens that the joints composed by concrete - filled square tubular column and i - shape steel beam divided as a and b groups have been tested under cyclic - loading in this paper. the three specimens of group a are connected by bolt - weld and the group b connected by welded at the end of beams
本文在總結分析了國內外關于鋼管混凝土框架節點研究與應用現狀的基礎上，以實際工程為背景，在國內首次進行了a 、 b兩組共6個足尺節點試件的低周反復循環加載試驗，其中a組三個試件梁端採用栓-焊連接； b組三個試件梁端為全對接焊接。 -
Based upon the elastic stability analysis of flexural - and - shear - typed bracings ( includes vertical beam and vertical truss ), criterions for classifying the types of bracings were presented in this thesis, where the bracings were divided into flexural, shear and flexural - and - shear types. the stability of frames braced by vertical beams was investigated
本文通過對彎剪型支撐（包括實腹式懸臂柱和桁架式支撐結構）的穩定性研究，提出了支撐的區分標準，根據此標準支撐結構可以被劃分為彎曲型支撐、剪切型支撐和彎剪型支撐三類。 -
The shear strength of the no corroded rc beams with stirrups is divided by two parts, that is the strength provided by the stirrups and the beams without web reinforcement. on the basis of this shearing mechanism of rc structural elements with web reinforcement, considering the confining effects of the stirrups, the shear carrying capacity expression of the corroded rc structural elements is given. the present results are compared with corresponding references and some reasonable conclusions are drawn
對于銹蝕有腹筋梁的抗剪承載力問題，基於未銹蝕有腹筋梁抗剪強度公式建立的原理，即未銹蝕有腹筋梁的抗剪強度為相應未銹蝕無腹筋梁的抗剪強度和箍筋對梁抗剪強度貢獻兩部分的疊加，考慮箍筋的約束作用對斜截面抗剪強度的貢獻，建立了有腹筋構件斜截面抗剪承載力的計算表達式，且與相關文獻的結果進行了比較。 -
Making use of the " truss + arch " mechanical model, the range of the three shear failure models ( shear - compression failure, diagonal - tension failure and arch - rib failure ) is divided quantitatively, and the theoretical formula of shear resistance of beams and columns is educed
利用修正的桁架+拱抗剪力學模型，定量的劃分了樑柱構件受剪破壞三種狀態（剪壓破壞、斜拉破壞和斜壓破壞）的范圍，並由此推得樑柱構件抗剪的理論公式。
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