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Save file format
Experiments are stored in two files.
Description of experiment
is stored in text *.exp file. The recorded data are stored in binary
*.d01 file.
Structure of *.d01 file
|
Name |
Type |
Description |
|
|
Data amount |
unsigned 32 |
Number of recorded variables stored. |
|
|
Data format |
unsigned 32 |
0 - data stored in double format, 1 -data stored in float format |
This section repeated amount of
times equal to Data amount value.
|
Data dimension |
int 32 |
The number of dimensions of stored data. |
|
Array of dimensions |
(int 32)*4 |
The sizes of dimensions. |
|
Overall data size |
int 32 |
The size of data stored. Equal to the multiplication of all dimension sizes. |
This section repeated amount of
times equal to Data amount value.
|
Data |
(Overall data size)*sizeof(double or float) |
Data stored in c-style (1D array [(0,0,0,0), (1,0,0,0), ... , (n,0,0,0), (0,1,0,0), (1,1,0,0), ... , (n,1,0,0), ... , (n,m,0,0), ... , (n,m,k,l)]). Fastest index corresponds to transient axes, slowest to Z-axes. |
Structure of *.exp file
Exp file is written in Windows ini-file style. The section names are enclosed in square brackets '[]'. Fields have 'field_name = field_value' format. The order in which fields met in the file (within one section) is insignificant. Some sections contain the plain text. Table below present the structure of exp-file. Required sections marked with red. Section and field names with_underline stand for arbitrary name. Field names in bold style stand for reserved words.
|
Section |
Field |
Value |
Description |
|
[general] |
name |
string |
The name of the experiment |
|
[text] |
- |
plain multyline text |
Any text (sample description) |
|
[sweep] |
- |
- |
Experimental axis definition |
|
[sweep] |
transient |
string |
Transient axis. Format: T/I,trace_length,rep_number,first_stream_name[, second_stream_name[,..]]. T means transient trace is stored. I means trace is integrated and only integral is stored. F.e. transient = I,200,30,a,b means that transient data of the length 200 points were integrated, 30 shots per loop was made, two streams a and b was stored. For single point devices trace length is equal to 1. Streams have to be defined in the [aquisition] section. |
|
[sweep] |
sweep0/1/... |
string |
The axes. Format: X/Y/Z/S/P,trace_length,rep_number,first_par_name (or stream_name)[, second_stream_name (or stream_name)[,..]]. F.e. sweep0 = X,128,1,T1. The order in which parameters are defined affect the presentation order of the axis. Corresponding data are stored in the exp file as 1D c-style array in the order from fastest index to slowest: I/T,X,Y and Z. S(um) and P(arameters) axis does not increase stored data amount. Parameters have to be described in [params] section. |
|
[presetup] |
var_name |
string |
The presetup axis. Actions before the experiment. Format: value; some_property@some_device. F.e. Delay = 10 ms;Delay@ADC. |
|
[aftersetup] |
var_name |
string |
The aftersetup axis. Actions after the experiment. Format: value; some_property@some_device. F.e. Delay = 10 ms;Delay@ADC. |
|
[eachpoint] |
var_name |
string |
The eachpoint axis. Actions that executed each points. Format: value; some_property@some_device. F.e. Delay = 10 ms;Delay@ADC. |
|
[params] |
- |
- |
Parameters of experiment |
|
[params] |
par_name |
string |
Format: value; some_property@some_device. Value of parameter can be: (i) comma separated list; (ii) first_value step increment; (iii) first_value to last_value. F.e. T1 = 40 ns step 20 ns;PPL variable or RF = 40 MHz to 60 MHz; Freq@Gen1 |
|
[aquisition] |
- |
- |
Acquisitions streams. |
|
[aquisition] |
stream_name |
string |
Format: some_property@some_device. F.e. a = In_Ch0@PulseGen. |
|
[program] |
- |
plain multyline text |
Pulse program. |
|
[streams] |
- |
- |
Supporting information about data streams. |
|
[streams] |
names |
Comma separated string list. |
Name of data streams (can be different from acquisition streams). F.e. names = Re, Im. |
|
[streams] |
units |
Comma separated string list. |
Units of data streams. F.e. units = V, V. |
|
[streams] |
dwelltime |
Comma separated string list. |
Dwelltime of transient data streams. F.e. dwelltime = 10 ns, 10 ns. |
|
[device_name] |
any_field |
device dependent. |
Any information that device want to store to exp file. |
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