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Документ взят из кэша поисковой машины. Адрес
оригинального документа
: http://www.naic.edu/~pulsar/machines.shtml
Дата изменения: Unknown Дата индексирования: Mon Oct 1 22:09:19 2012 Кодировка: Поисковые слова: п п п п п п п п п п п п п п п п п п р п р п |
| Machine | Access | Mode | BW | Nchans | ChBW | Samp | Nbit | Npol | Storage |
| WAPP | Public | Search | 100 | >32 | - |
>28 |
16,32 | 4 | Disk |
| AOFTM | Public | Search | 10 | 1024 | 9.8 | 102.4 | 2/4 | 2 | Mammoth |
| PSPM | Public | Search | 7.68 | 128 | 60 | 80 | 4 | 2 | Exabyte |
| PSPM | Public | Timing | 7.68 | 128 | 60 | 12 | 6 | 2 | Disk |
| Mk-IV | Private | Baseband | 5 | - | - | - | 4 | 4 | DLT |
| Mk-IV | Private | Baseband | 10 | - | - | - | 2 | 4 | DLT |
| CBR | Private | Baseband | 5 | - | - | - | 4 | 4 | DLT |
| CBR | Private | Baseband | 10 | - | - | - | 2 | 4 | DLT |
| ABPP | Public | Timing | <112 | 32 | <3.6 | varies | 2 | 2 | Disk |
| ABPP | Public | Timing | <28 | 32 | <0.875 | varies | 2 | 4 | Disk |
Click
on the
acronym of the machine you're interested in for more details. Note that
some machines have more than one mode of operation and hence more than
one entry in the table. Use of private access machines is possible only
by prior consent with the appropriate contact(s) which can be found in
the detailed information for each machine.
Specifications
at first light:
- Total bandwidth:
100 MHz
- Number of
Lags: >= 32
- Time resolution:
>= 28 microsec
- Polarizations:
4
- Data sampling:
16 or 32 bit
- Data storage:
Disk/Exabyte
- Mode(s) of
operation: search, single pulses, polarimetry
For
more information
contact Bill Sisk or Jeff Hagen and check the WAPP
home page.
Click
here
to see the first pulses (from the 0.7 s pulsar B1541+09) recorded by
WAPP
at 1.4 GHz.
Specifications:
- Total bandwidth:
10 MHz
- Frequency
channels: 1024
- Time resolution:
102.4 us
- Polarizations:
2
- Data sampling:
2/4 bit
- Data storage:
Mammoth tape drive
- Mode(s) of
operation: search
For more information contact Jim Cordes and check the AOFTM help page
Specifications:
- Total bandwidth:
7.68 MHz
- Frequency
channels: 128
- Time resolution:
80 us
- Polarizations:
2
- Data sampling:
4-bit in search mode, 6-bit in timing mode
- Data storage:
workstation disk in timing/pointed search; exabyte drive for drift
scans
- Mode(s) of
operation: search/timing
For more information contact Alex Wolszczan and, for local help, Paulo Freire. A simple manual for operating this machine will be written and linked to this site soon.
Specifications:
- Total bandwidth:
5 or 10 MHz
- Polarizations:
4
- Data sampling:
2 or 4-bit depending on BW
- Data storage:
workstation disk and DLT
- Mode(s) of
operation: baseband recording
For more information contact Ingrid Stairs and check the Mk-IV page.
Specifications:
- Total bandwidth:
5 or 10 MHz
- Polarizations:
4
- Data sampling:
2 or 4-bit depending on BW and 8-bin in timing mode
- Data storage:
a pair of DLT drives
- Mode(s) of
operation: baseband recording and timing
For more information contact Stuart Anderson.
Specifications:
- Total bandwidth:
112 MHz in total power coherent mode
- Polarizations:
2 or 4
- Data storage:
PC/unix disk
- Mode(s) of
operation: timing mode (coherent dedispersion)
For more information contact Don Backer and check the ABPP and BPP pages.
P. Freire
