波的陡度 的英文怎麼說
中文拼音 [bōdedǒudù]
波的陡度
英文
wave steepness-
The lightning impulse breakdown and steep - front impulse breakdown test of silicone rubber are also performed, which give a reference for other so lid materials. the result of this research also will give a reference to revises the standard of steep - front wave impulse voltage test
為了配合本課題的研究還做了硅橡膠材料的雷電沖擊耐受強度和陡波沖擊耐受強度試驗,這兩個試驗對了解其它固體材料的雷電沖擊系數和伏秒特性也具有參考價值。In order to verify the effectiveness of steep - front impulse voltage test in finding the internal faults of composite insulator, some insulators with faults, including conductive channel, semi - conductive channels, airy channel, partial little air bubble that occur separately at different place, are modeled. steep - front wave impulse voltage test is made for these faulty insulator and normal insulator
為了檢驗陡波試驗對于發現合成絕緣子內部故障的有效性,分別模擬了絕緣子內部不同部位有導電性、半導電性通道,小氣泡,金屬雜質,長氣泡以及芯棒與護套間不粘連故障的絕緣子,並從三維靜電場計算和用不同陡度的陡波試驗兩個方面進行了驗證。This article through installs the reactor with air core in the transformer substation transmission, to control the thunder electric wave amplitude and steepness in the transformer substation ; through over voltage on - line monitoring device testing, inquire into lightning protection of the reactor with air core
本文通過在變電站的輸電線路的出口處加裝空心電抗器,對通過輸電線路侵入變電站的雷電波的幅值和陡度進行抑制;並通過安裝過電壓在線監測裝置進行測試的方法,初步探討了空心電抗器防雷的作用。Meanwhile it can filter the waveform and gather the envelope and calculation the current peak and max steepness of lightning by length of erased magnetic record. thirdly we need analyze the difference of length of erased magnetic record between kinds magnetic tape or pre - recorded sine wave on magnetic tape, and finding the min and max lightning current that can be recorded by magnetic tape. then we confirm the type of the magnetic tapes and the way of installing which fit to the line towers
同時對該波形進行濾波消噪,提取包絡線計算磁帶消磁長度和雷電流峰值及最大陡度第三部分根據mtlcd得出的數據分析不同雷電流通道下不同磁帶、不同預錄正弦波消磁長度的差異及磁帶可以記錄的最小雷電流和最大雷電流,找到可以在輸電鐵塔角鋼上安裝使用的磁帶及其放置方式。Wave off into shallow waters, seabed by the friction effect change steep wave front, trough ice, water points trajectory showed reciprocating flow, but also to the shore into the flow speed usually return rate greater than offshore, the net result of sediment at the bottom to the shore handling, and was the shock waves on the shore with the water current - riviera online accumulation
外海波浪傳入近岸淺水區,受到海底的摩擦作用,波鋒變陡、波谷變緩,水質點運動軌跡呈現往復流動,而且向岸進流速度通常大於離岸迴流速度,導致底部泥沙凈向岸搬運,並被激岸浪的上沖水流帶至海濱線上堆積。The results showed that quasi - isentropic compression energy waves were produced after the impact with mg - face of the flier - plate, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles
結果表明,梯度飛片正向擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波,準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。The results showed that quasi - isentropic compression energy waves were produced after the impact, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles. furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity
結果表明,梯度飛片擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波,準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。The fft inversion method is fit for reconstruction of density distribution with sharp peaks and complex shape. the results of numerical simulations of this method show high inversion accuracy and fast calculation speed
快速傅立葉變換法適合於重建具有陡峭波峰和復雜形狀的等離子體密度分佈,數值模擬的結果表明該方法具有計算精度高和速度快的特點。In order to decrease the size of fragmentation and reduce blasting vibration effects on the stability of eastern open pit slope of tongshankou copper mine < this work involved two steps. first of all, based on the experiment in laboratory, this paper presented the optimum blasting parameters and applied it in practice
為降低銅山口礦露天采場生產爆破的大塊率和地震波振動強度,保證采場東幫陡邊坡的穩定,本文在對國內外大量文獻綜合調研的基礎上,首先採用正交設計對現場爆破參數進行了室內模型實驗,得出優化的模型爆破參數后又應用於生產。The calculation of dynamic response under the loading of incident pulses with different rising - time shows that the oscillation of stress wave reflects the macro - heterogeneity of laminated materials, and that the oscillation becomes more distinct as the rising - time becomes steeper. for the periodical laminate, the oscillation period of stress wave depends on the width of each cell and the width of the whole representative cell
針對兩種不同上升沿入射波加載時的計算表明,應力波的振蕩現象反映了材料的分層非均勻特性,上升沿越陡,振蕩越明顯;對于周期性分層材料,應力波的振蕩周期與各層的厚度以及周期性代表單元的總厚度是相關的。分享友人