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This paper has succeeded in discussing the error analysis for Fast Anti alias Fourier Transform (FAFT). 本文对快速抗混叠傅立叶变换算法 (FAFT)进行了误差分析 ,给出了它的误差估计。
It has been applied for the design of an anti alias filter in analog front end of video decoder IC with 15MHz signal frequency already. 这一结构已经应用于 1 5MHz信号频率视频解码芯片模拟前端的抗混叠滤波器设计中
In order to divide the signal frequency band in detail and raise the frequency distinguish ability, the anti alias filter is made by using a integrated switched capacitor filter. 为了对信号频率段进行细分 ,以提高频率分辨率 ,采用集成开关电容滤波器制作抗混滤波器。
The action and demand of the anti alias filter in the system arerecounted. After analyzing the 8-order low pass elliptic switched capacitor filter (MAX293), the antialias filter is developed based on it. 叙述了其中的抗混滤波器的作用与要求,并在分析8阶低通椭圆开关电容滤波器(MAX293)性能的基础上,研制了基于MAX293的抗混滤波器。
In the software design, we discuss the soft realize of the real time anti alias digital filter, and the problem should be taken care of, also pay attention to the problem in the realize of FFT. 软件设计讨论了实时抗混叠数字滤波器的软件实现及应注意的问题，FFT实现中应注意的问题。
To eliminate their impacts, it is necessary to carry out anti alias trace interpolation, especially for the reflected waves from VSP and cross hole seismic, because they are of steep slope, we use the anti alias trace interpolation in F-K domain. 为了消除其影响 ,需要进行道内插 ,特别是VSP和井间地震反射波具有陡斜率的特点 ,因此 ,道内插去假频显得尤为重要。我们采用了F -K域抗假频道内插。
Specifically, the "resonance" phenomenon is analyzed theoretically which is encountered in the making of anti alias filter by a 8th-order low pass elliptic switched capacitor filter. The analysis is proved by a experiment, and the "resonance" is avoided. 尤其对采用 8阶低通椭圆开关电容滤波器制作抗混滤波器中遇到的“共振”现象作出了理论分析 ,并通过实验得到证实 ,且予以解决。
Development of an anti alias filter based on MAX293 基于MAX293的抗混滤波器研制
Development of an Anti Alias Filter Based on Switched Capacitor IC 基于开关电容IC的抗混滤波器研制
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The smooth contour of the sculpture is wonderful. 雕塑物平滑的轮廓线简直太美了。
The floor has been sanded smooth. 地板已用砂纸磨光。
The thief's real name was John Smith, alias Edward Ball. 这小偷的真名是约翰史密斯，化名叫爱德华鲍尔。
They're completely anti the new proposals. 他们完全反对新的提议。
Don't try to smooth over your faults. 不要设法掩饰你的过错。
Our advice helped them to smooth out their relationship. 我们的建议帮助他们消除了相互关系中的障碍。