1 # SKA PSS Input parameters
3 The PSS DDD and the CSP to Sub-elements ICD define a set of parameters to
4 configure PSS working durin scans. The current list is up to date on 21 Mar
9 | CSP_PSS Parameter | CTRL Name | Type | Range | Modules |
10 | -------------------- | --------------- | ------------ | --------- | -------- |
11 | Sub-array ID | sub_array_id | ASCII String | 0-15 | All |
12 | Action | action | ASCII String | Set | All |
13 | Activation Time | activation_time | Date & time | UTC | All |
14 | Duration | duration | Integer | 0-2100s | All |
15 | Scan ID | scan_id | Integer | 64-bit | All |
16 | Observing Mode | observing_mode | ASCII String | Pulsar and/or Single pulse| All |
17 | Pointing Name | pointing_name | ASCII String | String | All |
18 | Pointing coordinates | pointing_coord | ASCII String | Astronomical Coordinates | CDOS |
20 ## Parameters specific for each sub-array
23 <tr><th>CSP_PSS Parameter <th>CTRL Name <th>Type <th>Range <th> Modules
24 <tr><td>Beam BW <td>beam_bw <td>Double <td> 96 MHz LOW<br>300MHz MID <td> RCPT<br>FLDO
25 <tr><td>Number of bits per sample <td>bit_per_sample <td>Integer <td> 1-32 <td> RCPT<br>FLDO
26 <tr><td>Acceleration Search <td>accel_search <td>Boolean <td> Enable / Disable <td> CTRL<br>Cheetah
27 <tr><td>Single Pulse Search <td>single_p_search <td>Boolean <td> Enable / Disable <td> CTRL<br>Cheetah
28 <tr><td>Integration time <td>integration_time <td>Double <td> Up to 1,800 seconds <td> RCPT<br>FLDO<br>Cheetah
29 <tr><td>Acceleration Range <td>accel_range <td>Double <td> +/-350 m/s^2 Default=0 <td> FDAS<br>TDAS
30 <tr><td>Number of Trials <td>trials_number <td>Integer <td> 0-Maxint (band dependent)<td> FDAS<br>TDAS
31 <tr><td>Time Resolution <td>time_resolution <td>Double <td> 50-800us 22n * 5us) <td> RCPT<br>FLDO
32 <tr><td>Dispersion Measure <td>disp_measure <td>Double <td> 0-3000 pc cm-3 <td> DRED<br>FDAS<br>TDAS<br>DTR
33 <tr><td>SPS_Dispersion Measure <td>sps_disp_measure <td>Double <td> 0-3000 pc cm-3 <td> DRED<br>SIFT<br>DTR
34 <tr><td>Number of Frequency Channels<td>freq_channels <td>Integer <td> 1000-8192 <td> All
35 <tr><td>Time Samples per Block <td>num_samples <td>Unsignd Long<td> Up to (integration time) / (time resolution) <td> All
36 <tr><td>Sub-bands <td>sub_bands <td>Integer <td> Up to 64 <td> FLDO
37 <tr><td>Harmonic summing control parameter<td>harmonic_folds<td>Integer<td> 1-32 <td> HRMS
38 <tr><td>Complex FFT Control Parameters <td>cfft_control <td>String <td> Label or Structure <td> CXFTC
39 <tr><td>Candidates Output Parameters <td>candidate_sifting<td>String<td> Label or Structure <td> SIFT
40 <tr><td>DRED Control Parameters <td>dred_statistic <td>String <td> Label or Structure <td> DRED
41 <tr><td>CDOS Control Parameters <td>cdos_control <td>String <td> Label or Structure <td> CDOS
42 <tr><td>FLDO Control Parameters <td>cdos_control <td>String <td> Label or Structure <td> FLDO
43 <tr><td>RFIM Control Parameters <td>cdos_control <td>String <td> Label or Structure <td> RFIM
44 <tr><td>Single Pulse Threshold <td>single_threshold <td>Double <td> Tuned to system noise <td> SIFT<br>SPD
47 NOTE: the string variables labeled as _Label or Structure_ can contain or
48 a pointer to an external file (_Label_ a symbolic name or a file-path) or a
49 *json* _Structure_ containing low level engineering parameters.
52 ## Parameters specific for each beam
55 <tr><th>CSP_PSS Parameter <th>CTRL Name <th>Type <th>Range <th> Modules
56 <tr><td>Beam ID <td>beam_id <td>Integer <td> 0-Maxint <td> All
57 <tr><td>Destination address <td>dest_address <td>String <td> IP address and port <td> CDOS
58 <tr><td>Checksum <td>checksum <td>Long <td> 0-MaxLong <td> CTRL