main vibration 中文意思是什麼
main vibration
解釋
主振動-
Orotund frequency of of tone of high and low, main with the each vibration of number of times relevant, is a person s ear to high and low and subjective evaluation dimensions of tone. the tone is low to mean to vibrate the frequency low, the voice seem to be deep and low ; the tone is high, and mean to vibrate the frequency high, voice the stab
音調聲音頻率的高低，主要與音源每秒振動的次數有關，是人耳對音調高低的主觀評價尺度。音調低表示振動頻率低，聲音顯得低沉音調高，表示振動頻率高，聲音就尖刺。 -
Research on vibration influence of main power house induced by increment of capacity of hydrogenerating unit and improvement
水輪發電機增容改造對主廠房的振動影響研究 -
Study on torsional vibration measuring model of spanless point in the main drive system of the rolling mill
軋機主傳動系統扭振盲測點測量模型的研究 -
Firstly the dissertation analyses the reason of vibration and noise of the transmission gear and the box, drawing a conclusion that the change of gear mesh rigidity and transmission error are the crucial causation to engender vibration and noise of the gear - box ; the main source of the noise is the syntonic noise in box vibration and noise
本文首先分別分析了變速箱傳動齒輪和變速箱箱體的振動噪聲產生機理，得知產生變速箱傳動齒輪振動噪聲的主要因素是輪齒嚙合剛度的變化和傳動誤差的影響;且在變速箱箱體振動噪聲中自鳴噪聲是汽車變速箱的主要噪聲源。 -
The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge
主動后緣附翼控制是一種較新的旋翼減振系統，它通過控制后緣附翼的偏轉，調節槳葉的氣動載荷，實現對機體激振力主要諧波分量的主動抵消。 -
The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此，本文提出在實驗室條件下，利用現代測試技術，就分離篩的振動及其對主梁的動載作用作研究。 -
The loading effect on gear vibration is explained by analysis of the simplified gear vibration model. and also the main characteristic frequency is given under the loading action, which is verified by many experiments
通過對齒輪振動模型的分析和簡化，闡述了載荷對齒輪振動的影響，找出了齒輪在載荷作用下振動的主要特徵頻率，並經大量的實驗證實 -
In this paper, at the cut - in spot of beam active vibration control and use the pzt material as the drive component, the main research works can be summarized as follows : 1 ) using the finite element theory, a general finite element formulation of piezoelectric media is derived, the direct and converse piezoelectric effects are considered in the formulation
本文從梁的振動主動控制研究為切入點，利用了pzt材料作為驅動元件，作了如下幾個方面的研究： 1 ）利用有限元理論，考慮壓電材料的正、逆壓電效應的影響，導出了機電耦合壓電元件的有限元方程。 -
Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis
摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解，從而得到若干個基本模式分量，對每個模式分量進行了頻譜分析。 -
According to results of calculations and experiments, main causes that contribute to vibration are founded, then puts forward improving measures of adding deflexed supporting and suspending nogs and making pipelines shunt - wound, finally completes improvement tasks following is the main works completed in this thesis : ( 1 ) this thesis sets up a mathematic model of steam pipelines, using ansys5. 6 limited - unit analyzing software, calculates the ten phase inherent frequency and the foregoing eight phases vibration types of four steam pipelines of the unit before dealt with
為了解決八零三電廠2號汽輪機四根主蒸汽導汽管道振動的問題，本文建立了相應的計算模型，並根據計算和實測結果，找出了振動的主要原因，提出了加裝偏轉支吊架和管道並聯的改進措施，完成了改造工作。本文主要工作是：建立導汽管計算模型，並應用ansys5 . 6有限元分析軟體，對機組四根導汽管治理前的10階固有頻率和前8階振型進行計算。 -
The main contents of this paper is according to the structural characteristic of forced vibration, making use of the varying quantity data of free frequency of two different physical cantilever beam on the structural damage experiment basis, then using the bp network, genetic algorithm and the genetic bp algorithm to build up relation model between position, extent of structural damnification, and the varying quantity of free frequency
其主要內容就是根據結構受迫振動特性，利用試驗測得兩根不同物理性質懸臂梁在受損傷產生裂紋前後的固有頻率改變量，使用bp網路、遺傳演算法、遺傳bp演算法，建立了結構損傷的位置、程度與結構固有頻率損傷前後改變量之間的關系模型。 -
Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias
為此，從檢波器的振動方程出發，對高解析度地震檢波器性能指標（如自頻率、阻尼系數、靈敏度、諧波失真、假頻等）以及檢波器組合的連接方式對地震資料品質的影響進行了分析。 -
Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained
本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。 -
The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated
主要工作如下： 1 、分別對均質土中完整端承樁和彈性支承樁在垂直諧和激振力作用下的縱向振動特性進行了研究。 -
Man b & w 10l90mc diesel engine is a new type of man diesel company and it has been used in large container vessel. in order to investigate into the characteristic of shaft torsional vibration when any single cylinder flames out and how that affects the main power propulsion system of a ship, the author puts forward a new way of calculation concerning the shaft torsional vibration when the mean indicated pressure of other cylinders remain unchanged
在此基礎上，開發了新的船舶軸系扭轉計算軟體，並以manb & w公司近幾年新推出的一種大功率多缸柴油機manb & w10l90mc型柴油機為例，分別進行了額定功率下和單缸熄火下的扭轉計算，並提出單缸熄火時其他缸平均指示壓力保持不變的軸系扭振計算方法。 -
This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed
並針對該頻率區與曳引機主機額定轉速主振頻率接近的特點，提出了防止電梯發生系統共振的措施。 -
Synthesized signals with different pulse repetition frequencies ( prf ) and main vibration frequencies ( mvf ) were presented to the brown planthopper. the results showed that prf was a sensitive and important signal characteristic in mating choice. the prf and mvf sensitive ranges of male signals were 70 ~ 90hz, 200 ~ 1700hz separately, and of female signals were about 22hz, 100 ~ 300hz separately
雄蟲敏感的prf范圍在22hz左右，雌蟲敏感的paf范圍為70 90hz ，這與實際的雌、雄蟲求偶鳴聲的pm變化范圍是一致的；雌、雄蟲能對mvf變化范圍較大的信號敏感，雄蟲敏感的mvf范圍為100 300hz ，與雌蟲求偶嗚聲的mvf變化范圍是一致的，而雌蟲敏感的mvf范圍為200 1700hz ，要比實際的雄蟲求偶鳴聲的mvf變化范圍大的多。 -
It is very difficult to solve the problem to make several frequency stagger the frequency of the main vibration sources with the experience analysis method
在設計空間受到多種限制下，要使廠房的多階頻率同時與振源頻率錯開，給經驗試算的分析方法帶來了很大的困難。 -
Based on vibration theories and the analysis of the model, using main vibration shape and the natural frequency, defined the concept of parameter sensitivity, and got its formula. based on this foundation, defined the concept of the appraisement coefficient of adjustment automobile rigidity parameter, and give the calculation equation
根據振動理論，在模態分析的基礎上，通過利用主振型向量的正交性，導出參數靈敏度的概念，推導了參數靈敏度的公式。在此基礎上，提出了調整汽車剛度參數的評價系數，並給出了評價系數的計算公式。 -
The elastic effect is different from the effect of rigid support, in this paper, a spindle is simplified as one - disc rotor or multi - discs rotor. by the rules of riccati transfer matrix, the varieties of dynamic properties, inherent frequency and main vibration model of the rotor are calculated
主動磁軸承支承是彈性的，將主軸分別簡化為單圓盤轉子、多圓盤轉子等進行研究，應用傳遞矩陣法計算出在支承剛度變化時的轉子動態特性、固有頻率和振動主模態等特性的變化。
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