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K-LD2-EVAL Datasheet(HTML) 7 Page - RFbeam Microwave GmbH

Part No. K-LD2-EVAL
Description  radar transceiver
Download  13 Pages
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Maker  RFBEAM [RFbeam Microwave GmbH]
Homepage  https://www.rfbeam.ch/
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K-LD2-EVAL Datasheet(HTML) 7 Page - RFbeam Microwave GmbH

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©
RFbeam Microwave GmbH | Schuppisstrasse 7 | CH-9016 St. Gallen |
www.rfbeam.ch | K-LD2-EVAL | data sheet
06/2017- Revision A | Page 7/13
The spectrum chart allows detailed analysis of the
K-LD2’s detection algorithm. The datasheet of the
K-LD2 gives an in-depth look into the theory of opera-
tion of the sensor.
Spectrum (blue)
This is the direct result of the complex 256 point FFT
over the  ADC samples. Forward (approaching) mo-
vements are shown in the right plane and backward
(receding) movements in the left plane. The bin in the
middle represents the DC bin.
Spectrum average (green)
This is the average over multiple FFT frames.
Threshold (red)
When a movement in the Spectrum crosses this line,
it is evaluated by the detection algorithm, which deci-
des, if it is a valid signal or a disturbance.
Valid detection (red cross)
Shows the exact position of the actual detection. The
information is taken from the Detection string and is
therefore held during the whole detection.
Speed range threshold (lime green)
Shows the current value of the Speed range threshold
parameter.
FFT filters (turquoise)
Marks the position of the set FFT filters parameter.
Speed limit (grey)
Marks the filtered areas when using the Low speed
limit and High speed limit parameters.
ADC chart
The measured ADC values of the I and Q-channel
are displayed here.
This is particularly interesting for verifying if the sig-
nals are clipping or for learning how radar works.
Please refer to the K-LD2 datasheet for more infor-
mation.
Speed chart
This chart shows the result of the parameter Get target
string (C01). It returns the speed of the highest mag-
nitudes in the forward (right plane) and backward (left
plane) part of the spectrum.
Spectrum Chart


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