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Hello everybody,
I'm trying to apply the compressed sensing theory (CoSaMP algorithm) to the DOA estimation in FMCW ULA (made of 48 elements). In the dechirped signals processing I use a first FFT to solve the range and then instead to apply another FFT along the cross-range direction (following...
I’m using a FMCW MIMO radar [77-79 GHz] with a virtual linear array made of 48 channels. I’m wondering if the adaptation of the range migration algorithm (typically used in SAR processing) is feasible for this kind of radar. My concern regards the few numbers of points (48) along the track...
Hello all,
any suggestion how to start implementing the back-projection algorithm in a FMCW MIMO radar?
Currently I'm using 2D FFT to get radar image, I would try time-domain algorithms to improve the overall image quality.
Thanks,
Luca
A few more lines to make this more clear:
My main questions are:
1) Is it appropriate the use of 2D spatial smoothing to the data collected by an ULA?
2) If yes, which is the right way to organise the subarray? Which directions the subarray has to scan the full data matrix?
In the attached...
Hello Georgy,
thanks for your reply and interest in the topic.
The 2D FFT processing is pretty simple, the following reference explain the procedure:
"S. M. Patole, M. Torlak, D. Wang, and M. Ali. Automotive radars: A review of signal processing techniques. IEEE Trans. Acoust., Speech, Sig...
Hi everyone,
I'm using a 2D Music algorithm for the estimation of Range-Azimuth info in a ULA FMCW MIMO radar.
The algorithm procedure is pretty simple (see "Belfiori F., Application of 2D MUSIC Algorithm to Range-Azimuth FMCW Radar data" or " Manokhin G., MUSIC-based algorithm for range-azimuth...
Hello vfone, sorry for the late replay.
The RX antennas and one TX antenna (per time) are working in the same time. I was wondering about the far field of the virtual array (created thanks to the TDM) because I'm processing all the 32 virtual antennas received data.
Here you find the antenna...
Hello vdfone,
thanks a lot for your reply. I still have doubts, please correct me if I'm wrong:
don't we have to take into account that we're using a virtual array? do we have to consider only the phisical array? The resulting virtual array in the case I presented here is made by 32 virtual...
Dear all,
I have a doubts regarding the far field formula (R_far_field = 2D²/λ) in the case of virtual array configuration (as illustrated in the attached figure).
Which value I should consider as D? (82,136 mm?). The antenna front end is used in a FMCW radar in 77-79 GHz band.
Thanks a lot in...
Hello all,
I'm using the following 1D music algorithm to estimate targets position (only theta angle).
The algorithm is a slightly modified version of the music algorithm posted by the user weetabixharry in this forum (https://www.edaboard.com/showthread.php?t=79938&highlight=steering+music)...
I'm working on the processing of raw FMCW radar data.
In my case the radar works in the [6.014-7.76] GHz band (I have 187 frequency points starting from 6.014 GHz and ended with 7.76GHz) and the data that I collect are organized in a complex-double numbers (I&Q) matrix [Number of frame x 187]...
Hello everybody,
I’m designing a circuit (the power part in the attached file) that requires both 3.3V and 15 V supply. I’m not so expert in powers electronic so I’m asking your help. I’m using 2 Traco Power DC/DC converters (2W models: TES 2N-4813 (from 48V to 15V) and TES 2N-1210(from 15V to...
Hello FvM, ArticCynda
thanks a lot for your replies and good suggestions:).
with mechanical shields i mean metallic packages (conductive and/or magnetic materials) used to prevent EMI from escaping the system.
Thanks and regards,
Luica
Hello Prajith,
thanks for your interest in my post. I would like to know generally and in wider terms how to make a PCB that includes RF/microwave devises (bluetooh and wifi modules).
1)How to get a routing;
2)How to use the ground plane;
3)How to use mechanical shields.
Thanks a lot
Luca
Hello everybody,
I'm collecting info with regard to HighSpeed PCB production methods. I would like next to build a PCB including a bluetooh(2.4 GHz) and a WIFI(5GHz) modules.
I have read something regarding both "power-supply bypassing" technique to minimize the noise and the ground plane. Is...
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