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K-MD2 Datasheet(Folha de dados) 8 Page - RFbeam Microwave GmbH

Nome de Peças. K-MD2
descrição  Engineering Sample
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Fbricantes  RFBEAM [RFbeam Microwave GmbH]
Página de início  https://www.rfbeam.ch/
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©
RFbeam Microwave GmbH | Schuppisstrasse 7 | CH-9016 St. Gallen | www.rfbeam.ch | K-MD2 Engineering Sample | data sheet
07/2018 – Revision A | Page 8/23
Speed
Max. speed [km/h]
Resolution [km/h]
Initial delay [clk]
30.0008448
0.23622712
11106
50.004923
0.39373955
5415
80.0135017
0.63002757
2214
100.021565
0.78757138
1147
120.020253
0.94504136
436
Table 2: Speed presets
The K-MD2 controls the Radar Front End (RFE) and
receives demodulated signals. It processes the sig-
nals to detect objects, sending the results to the main
system using a serial or ethernet interface. There is
a powerful GUI available to visualize the signals and
target lists and change the settings.
Speed and Range Settings
There are several predefined range and speed set-
tings selectable. However there is also the possibility
to change the range and speed settings out of the
presets.
Range
Max.
Range
[m]
Resolution
[m]
Ramp
bandwidth
[MHz]
Sampling
bandwidth
[MHz]
Start
frequency
[MHz]
40.0491302
0.15705541
970
955.0769231
23800
70.1221232
0.27498872
554
545.4769231
23848
100.122825
0.39263853
388
382.0307692
23931
150.572311
0.59047965
258
254.0307692
23996
200.245651
0.78527706
194
191.0153846
24028
249.023438
0.9765625
156
153.6
24047
Table 1: Range presets
Even though the K-MD2 is able to drive a band-
width of 1 GHz in most countries the K-Band
is limited to a bandwidth of 250 MHz.
APPLICATION INFORMATION
Rmax = (N – 1) . ΔR
Δ R = Range resolution [m]
N = Used samples
M = Ignored samples
Bw = Bandwidth [MHz]
Rmax = Maximal range [m]
Δ R = 150 MHz •
N + M
N . Bw
ΔV = Speed resolution [km/h]
l
= Wavelength = 0.012426 m
clk = Core clock = 38461538 Hz
Sclk = Core clocks per sample = 12
N = Used samples
M = Ignored samples
delay = Initial delay of chirp [clk]
Vmax = Maximum speed [km/h]
ΔV =
l
. clk . 3.6
2 . N . (Sclk . (N + M) + delay)
Vmax = ΔV .
– 1
N
2




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