Table 1 Symbols used in this paper
Symbol | Description |
|---|---|
A | Amplitude |
B | Bandwidth |
c | The sound speed |
d | Distance |
\(f_{max}\) | The maximum frequency |
\(f_{min}\) | The minimum frequency |
\(f_{Rx}\) | The frequency of the received signal |
\(f_{Tx}\) | The frequency of the transmitted signal |
\(F_s\) | Sampling rate |
k | The slope of a chip signal |
Rx | Receiver |
S(t) | Received signal |
t | Timestamp (usually with a subscript) |
\(t_d\) | Propagation delay |
T | Time interval |
Tx | Transmitter |
v | The speed of the target |
\(\alpha\) | Attenuation factor |
(x, y, z) | 3D location coordinate |