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Why I can`t modifty the starting frequency in phased.FMCWWaveform?

조회 수: 1 (최근 30일)
NoYeah
NoYeah 2023년 3월 24일
답변: Gokul Nath S J 2023년 4월 21일
Why the matlab limit that basic property?
I am trying this for whole day and can`t solve this.
this makes users too uncomfortable
why this toolbox never consider carrier frequency?
why?
fs = 1e4 % Smapling Frequency [Hz]
fc = 2.4e9 % Carrier Frequecny [Hz]
B = 300e3 % chirp Bandwidth [Hz]
f_start = fc - B/2 % chirp start frequency [Hz]
f_end = fc + B/2 % chirp end frequency [Hz]
waveform = phased.FMCWWaveform('SweepTime',SweepTime,...
'SweepBandwidth',B,...
'SweepDirection','UP',...
'SweepInterval','Symmetric',...
'SampleRate',fs,...
'NumSweeps',NumSweeps);
why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?why?
I tried the below but non of them are works!
'OperatingFrequency',f0,...
'StartFrequency', f_start,...
'EndFrequency', f_end,...
it says I cannot access to such property. why?
why this thing never consider fc?

답변 (1개)

Gokul Nath S J
Gokul Nath S J 2023년 4월 21일
Hi NoYeah,
Based on your query, it seems that you want to consider the start frequency as well as the sweep bandwidth. I kindly recommend you to use the chirp function of MATLAB for such computation.
For further information on this issue, kindly refer the below mentioned link.
Also, please refer the following link for non-linear waveform generation.
Thanks,
Gokul Nath S J

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