International Journal of Microwave Science and Technology / 2015 / Article / Fig 5

Research Article

Implementation of a Cross-Spectrum FFT Analyzer for a Phase-Noise Test System in a Low-Cost FPGA

Figure 5

Frequency responses of the CIC filter, FIR filter, and combined filter. The CIC filter and FIR filter have downsampling rates of 5 and 2, respectively. The frequency axis is relative to the input sampling rate.
(a)
(b)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.