A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
The high-order multi-band-pass FIR filter designed with this algorithm is featured by big attenuation in stop-band and small ripple in pass-bands.
用该算法设计的高阶多通带滤波器，其幅频响应的阻带衰减很大，而通带波动很小。
Filter. Right-click for high-pass, low-pass, band-pass, or band-stop filter.
滤波器。右击指定高通、低通、带通或带阻滤波器。
Filter. High-pass, low-pass, band-pass, or band-stop filter can be specified.
滤波器。可指定高通、低通、带通或带阻滤波器。
Drag onto the page, then right-click to specify high-pass, low-pass, band-pass, or band-stop filter.
拖到绘图页上，然后右击可指定为高通、低通、带通或带阻滤波器。
Right-click for high-pass, low-pass, band-pass, or band-stop filter.
右击指定高通、低通、带通或带阻滤波器。
Right-click for high-pass, low-pass, band-pass, or band-stop filter.
右击指定高通、低通、带通或带阻滤波器。
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