以下为句子列表：
英文: Aiming at the key component, through analyzing the time domain and frequency characteristic of acceleration vibration signals and force signals, this paper attempts to find the infection factors of grinding vibration and to optimize the grinding parameter
中文: 摘要以关键部件为研究对象，通过在超高速磨削实验台上进行磨削工艺试验，对比不同参数下加速度振动信号和磨削力信号的时频特征，分析了磨削过程振动特性及其各种影响因素，提出磨削工艺参数优化方案。
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英文: Based on the idea of improving the frequency characteristic of the two parameters above, a novel method of improving the bandwidth of the slot array antenna is presented in this paper, which uses a ridged waveguide instead of a rectangular waveguide as th
中文: 本文以改善这两个参数的频率特性为出发点，提出了一种展宽波导裂缝天线带宽的新方法，即用脊波导代替矩形波导作为辐射波导。
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英文: In a first approximation, the departure from a constant amplitude vs frequency characteristic will be a characteristics with a linear slop that will vary with time.
中文: 采用一级近似,则可认为对频率特性曲线的等幅偏移是一具有时变线性斜率的特性曲线.
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英文: The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna.
中文: 摘要辐射缝隙导纳及波导导内波长的频率特性，是影响裂缝天线带宽的主要因素。
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英文: This paper presents a model of cosine basis functions neural network based on BP algorithm, discusses the relation between the algorithm of neural network and amplitude-frequency characteristic about the linear phase FIR filter, introduces the convergence
中文: 摘要提出了一种基于BP算法的正弦基函数神经网络模型及算法的收敛条件，研究了该神经网络算法与FIR线性相位滤波器幅频特性的关系，给出了高阶双通带滤波器的优化设计实例。
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