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- An explicit specturum correction approach is proposed to short records weighted by a Hanning window. 针对短记录加汉宁窗,给出了一种显式频谱校正方法,它利用局部谱峰附近的三条谱线。
- Using simulated single-frequency wavefront,PSD values before and after applying Hanning window were computed and a modification factor was deduced using theory of Fourier transform. 通过对模拟的单一频率波前加窗前后的功率谱密度的理论计算,由傅里叶变换性质推导出了修正因子,并对波前频率与修正因子的关系进行了理论研究。
- It shows that under certain measurement errors and certain frequency scope, a constant, 8/3 or 64/9 is effective to modify one-dimensional or two-dimensional PSD value after applying Hanning window. 结果表明,在一定的波前频率及误差范围内,对加汉宁窗后1维功率谱密度的计算结果乘上一个常量8/3即可实现简单有效地修正。
- Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss angle measurement. 加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法,对两种算法的分析和比较有利于它们在实际中的应用。
- The boy got a good beating for breaking the window. 那男孩因打碎窗玻璃而被狠狠打了一顿。
- The River Han flows through Wuhan. 汉水穿过武汉奔流。
- The boys were spitting out of the train window. 那些男孩子向火车窗外吐口水。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- The trees outside the window blocked off the sun. 窗外的树木挡住了阳光。
- The fresh air blew in from the open window. 新鲜空气从开着的窗户吹进来。
- The window was all smeared after the rain. 下过雨后窗户都脏了。
- She painted the window sills a bright colour. 她把窗台漆上鲜艳的颜色。
- The key to this question lies in overcoming Han chauvinism. 解决这个问题的关键是克服大汉族主义。
- He looked at the shop window with greedy eyes. 他用贪婪的眼光看着商店的橱窗。
- Please open a window to allow the air to circulate. 打开窗子让空气流通。
- From every window head is crane for a view of it. 每一个窗口都有人探出头来看。
- I see the vase in the window of an antique shop. 我在一家古玩店的橱窗里看见了那个花瓶。
- She'll do her nut when she sees the broken window. 她要是看见窗户破了准得气炸了。
- Put the two tables end to end over by the window. 把这两张桌子连接起来放在窗子旁边。
- The bird flies out when he opens the window. 当他打开窗户时鸟就飞出去了。