load amplitude 中文意思是什麼

load amplitude 解釋
負荷幅
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  • amplitude : n. 1. 廣闊,廣大。2. 豐富,充足。3. (思想的)廣度。4. (天體出沒時偏離正東或正西的)角度距離。5. 【物,電】振幅。
  1. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。
  2. Based on the research results on ground resistivity anisotropy degree, load unloading response ratio and day by day ratio of daily variation amplitude of geomagnetic vertical component, spatial correlation of absolute value of geomagnetic vertical component of beijing 21 hour and spatial correlation of daily variation of geomagnetic vertical component, we analyze the synthetical characteristics of these anomalies before the moderate strong earthquakes and gave the order of these anomalies and the synthetical correlation of these anomalies with the three elements

    摘要在地電阻率各向異性、地磁垂直分量日變化幅度響應比和逐日比、地磁垂直分量北京時21點絕對值空間相關及地磁垂直分量日變化空間相關方法在江蘇地區的研究結果基礎上,綜合分析了這些方法提取的江蘇及周邊地區中強震異常的綜合特徵,給出了這些異常在震前出現的先後次序、地震三要素與這些異常的綜合關系。
  3. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有:不需使用乘法器進行信號調制,調制信號採用與電網電壓同步的優化特定脈沖,其檢測精度只與同步相位有關,而與電網電壓幅值無關;降低了對輸入低通濾波器的通頻帶要求,直流和偶次諧波分量對檢測精度沒有影響;突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  4. Third, mensurated the front axle ' s load - time history when truck was running on general tar - paved roads, mountainous roads and the proving ground enhancement roads, second sampled and pretreated to the load - time history with rpc software of mts corporation, acquired the relationship of the frequence of the mean and amplitude load, obtained the zero mean equivalent loads using goodman experiential fatigue equation, acquired the weibull distributing functions of equivalent loads of respective roads

    第三,測定了汽車前橋在一般瀝青公路、山區公路和試驗場強化試驗路面的載荷時間歷程。對載荷時間歷程進行了二次采樣和數據預處理。採用雨流計數法得到了各路面的載荷均、幅值的頻次關系,並根據goodman經驗疲勞公式,得到了零均值的等效載荷及相應的頻次。
  5. According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )

    本文試驗分析了變幅載荷對裂紋擴展的影響,證實了有機玻璃也存在超載遲滯現象,通過金相觀察分析,提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點,同時提出超載遲滯的合理的解析,並且給出超載遲滯比,為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。
  6. It was demonstrated that this sort of load - control apparatus has superior performance. we used a electric transmitter as the transducer to collect the sound signal, using the daq toolbox of the matlab to achieve the collection of the sound signal, and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal, chiefly analyze its short - time average amplitude, its short - time over - zero ratio and its estimate of the power chart and the average - period chart

    實驗中使用了駐極體話筒作為球磨機聲音拾取傳感器,利用matlab中的數據採集( daq )工具箱實現對磨音的採集,利用matlab信號分析( dsp )工具箱和聲發射技術對磨音進行時域和頻域分析,主要分析磨音的短時平均幅度和能量、短時平均過零率、功率譜估計和平均周期圖。
  7. The effect of initial static load on the instantaneous response makes the amplitude of vibration of horizontal and vertical displacement bigger than that without the effect

    初始靜力效應對結構瞬態響應的影響與剛度、質量、阻尼等因素有關,剛度越小,質量、阻尼越大時,初始靜力荷載效應對結構最大位移影響越小。
  8. Based on equivalent four - terminal networks of the longitudinal ultrasonic transformer, the resonant frequency equation and the amplitude magnification coefficient, with reactive load, are studied

    摘要在負載為純力抗的狀況下,利用縱振型變幅桿等效四端網路,對頻率方程和放大系數進行了研究。
  9. The formulas of three kinds of loaded ultrasonic transformers are presented ; then, the graphs of resonance frequency and the amplitude magnification coefficient, following the change of load, are charted by the programs of matlab

    得到了三類常用變幅桿頻率方程和放大系數的表達式;並通過matlab編程,分別繪制了三類變幅桿共振頻率及放大系數隨負載變化的曲線圖。
  10. The characteristics of the intrinsic frequency distribution of the framed steam turbine - generator set foundation are summarized ; it can been seen that the base plate of the framed foundation does not have much effect on the dynamic response of the foundation, and that the " amplitude method " is better than the " resonance method " among dynamic analysis methods. when designing a framed foundation, as long as the load - bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design

    論文最後總結了框架式汽輪發電機組基礎固有頻率的分佈特點;指出框架式基礎底板本身對基礎的動力響應影響不大,認為動力分析方法中振幅法優于共振法;並指出框架式基礎設計時,在滿足承載力和穩定性的前提下,柱子應以柔為佳;設計中可以通過調整質點的質量來達到控制基礎振幅的目的。
  11. When the load of agriculture and illume is forecasted, the load is decomposed into stationary terms that is not related to meteorologic factors and random term that is related to meteorologic factors by use of wavelet analysis. because the forecasting accuracy of stationary term is higher and the amplitude of random term, although it is difficult to forecast, is smaller, so the impact of forecasting error bringing about by random factors on final forecasting result is weakened

    在預測不同行業的負荷時,利用小波分析的方法對農業和照明負荷序列進行分解,然後將頻率較低的部分視為與氣象因素無關的穩定項進行處理,將頻率較高的部分視為與氣象因素相關的隨機項進行處理,由於穩定項預測精度高,隨機項雖較難預測但幅值較小,因此削弱了隨機因素帶來的預測誤差對最終結果的影響。
  12. The deformation characteristics of pavement section and soft soil subgrade under traffic load are analyzed, considering the effects of load ( including type, amplitude and frequency ) and parameters of soft soil ( including resilient modulus, cohesion, internal friction angle, poisson ratio, damping ratio et al )

    分析了荷載因素(包括荷載類型、荷載幅值、荷載頻率)和地基土體參數(包括回彈模量、內聚力、內摩擦角、泊松比、阻尼比)對變形的影響。
  13. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案,變換器的電壓電流應力較高,變頻控制增加了濾波器設計的難度;能量緩沖吸收電路或有源鉗位電路方案,由於需要增加多個額外輔助元件,增加了變換器的復雜性;全橋相移技術方案,由於主電路無需增加額外元件,只需利用相移控制,即可實現軟開關,因此引起關注。
  14. The dynamic loads created by vehicle vibration accelerate the wear and tear of vehicle assembly and parts, response to assembly and parts ’ too early fatigue malfunction. when the dynamic loads work on the road surface through tyres, the road surface inclined to being created fatigue damage and macro damage. dynamic tyre load also would response to the structure destruction of vehicles if the maximum amplitude of its responses be out of range

    對于車輛而言,平順性的好壞將影響車輛的動載荷和壽命,由於振動產生動載荷會加速零件的磨損,使某些部件過早發生疲勞失效,同時通過輪胎車輪作用到路面上,使路面易於產生疲勞損傷和宏觀破壞,如果振動產生的動載荷由於峰值過大,還會造成結構產生失穩破壞。
  15. The tunable optical characteristics of the novel lpfgs are recognized during the study of their optical characteristics : ( 1 ). the relationship between the resonant amplitude and the applied curvature radius in the bend - sensitive orientation of the novel lpfgs is linear, ( 2 ). the relationship between the resonant amplitude and the applied transverse load in the wavelength - insensitive orientation of the novel lpfgs is linear, ( 3 ). the relationship between the resonant wavelength shift of the novel lpfgs and the applied temperature is linear

    在對新型長周期光纖光柵光學特性的研究中,我們發現了新型長周期光纖光柵的一些獨特的可調諧性:新型長周期光纖光柵的諧振峰幅度和彎曲敏感方向所受的彎曲率呈線性關系;新型長周期光纖光柵在波長不敏感方向其諧振峰幅度和它所受的橫向壓力呈線性關系;長周期光纖光柵的諧振峰中心波長隨溫度的變化呈線性關系。
  16. Testing method for constant - load amplitude tension - tension fatigue of carbon fibre reinforced plastics

    碳纖維增強塑料的恆定載荷振幅雙向拉伸疲勞的試驗方法
  17. The system inherits the advantages of the combustion control systems of single and double cross amplitude limits, having overcome the disadvantages. it not only guarantees the system response performance of change in load, but also takes into account the economic performance of the system

    該系統繼承了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統的優點,克服了不足,在保證系統變負荷響應性能的同時,還兼顧了系統的經濟性能。
  18. Constant amplitude reversed cyclic load tests were simulated with the aid of software msc / fatigue. fatigue life predictions can be made for this class of connection using relationships analogous to the well - known manson - coffin strain - life equation for metals

    本文使用msc / fatigue軟體進行了常幅偏移下的性能分析,類似於著名的manson - coffin公式,建立了所研究節點的塑性轉角和壽命的關系。
  19. The method of dynamic gain equalization based on the temperature and bending characteristics of the novel lpfg was demonstrated. another method based on the temperature and transverse load characteristics was also demonstrated. the resonant amplitude and wavelength of the lpfg were adjusted by applying bend or transverse load and temperature to the lpfg, respectively

    Ii .利用新型長周期光纖光柵進行了edfa的動態增益均衡,根據新型長周期光纖光柵的可調諧性,提出了一種基於新型長周期光纖光柵的溫度及彎曲特性的動態增益均衡器,並介紹了另外一種基於溫度及橫向壓力特性的動態增益均衡器。
分享友人