振幅限度 的英文怎麼說

中文拼音 [zhènxiàn]
振幅限度 英文
amplitude limit
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 限度 : limit; limitation; measure; tether
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的頻特性,隨機動響應的功率譜密,以及沖擊響應的最大值和恢復時間等。
  2. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題;根據材料非線性理論,提出利用drucker ? prager材料建立土壤的非線性有元模型。
  3. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓寬地震資料領帶,包括補償和疊前反褶積技術等;藉助高精分析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡線」 ;疊後有反射頗帶識別、抬高優勢頻率等。
  4. Much of his work bears on the concept of parallel universes : evaluating evidence for infinite space and cosmological inflation ; developing insights into quantum decoherence ; and studying the possibility that the amplitude of microwave background fluctuations, the dimensionality of spacetime and the fundamental laws of physics can vary from place to place

    許多他的工作都含有平行宇宙的概念:評估無大空間與宇宙暴脹的證據,發展對量子去相干現象的洞察,以及研究諸如微波背景輻射漲落的、時空的維以及物理的基本定律可隨位置而變化的可能性。
  5. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有元方法,進行地震作用計算。系統地分析研究「結構型」 、 「動周期」 、 「結構側向剛」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈較高地區( 8)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  6. The numbers and amplitudes of both transimtted and reflected solitons from an incident soliton are given analytically for this case. if the interface of two kinds of dust grains is continuous, neglecting the reflection, the nonlinear dust - acoustic wave can be described by a kdv - type equation in the lowest order. the amplitudes, propagating velocities of these quasi - solitons for this case are also given analytically

    無論是分界面不連續變化還是連續變化,對于小的、但有的長波動,電勢孤子從質量小的塵埃等離子體穿過分界面進入質量大的塵埃等離子體,電勢孤子的將增大,速將變快,反之,電勢孤子從由質量大的塵埃微粒組成的塵埃等離子體穿過分界面進入由質量小的塵埃微粒組成的塵埃等離子體,電勢孤子的將減小,速將減緩。
  7. During designing hardware circuit, we have used the supreme limitation to raise driving - ability and raise the distance of measurement to returning ware by taking some measurements just like multi - polar enlarging, according to the ultrasonic characteristic of index attenuation when it ' s spreading because we need to measure longer distance ( from several meters to dozens of meters )

    在硬體電路的設計中,由於需要測的距離較長(幾米到十幾米) ,針對超聲波在傳播時呈指數衰減的特性,最大地提高驅動能力,對回波進行多級放大,達到了設計要求。
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