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Difference between revisions of "NVGate Filter Builder"
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====Filter builder==== | ====Filter builder==== | ||
Manage the filters definition and position. These filters operate on the time domain series. They can be applied in various locations | Manage the filters definition and position. These filters operate on the time domain series. They can be applied in various locations in the signal process (Inputs, Plug-in channels, Outputs, Player tracks). | ||
[[Image:Filter_builder_02.png|framed|none]] | [[Image:Filter_builder_02.png|framed|none]] | ||
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====Connect filter==== | ====Connect filter==== | ||
[[Image:filter.png|framed|Right]] | [[Image:filter.png|framed|Right]] | ||
On [[NVGate_Ribbons:_Acquisition_Tab|acquisition tab,]] The left button (''Apply to''), on filter group, allows dispatching the filters to the different possible | On [[NVGate_Ribbons:_Acquisition_Tab|acquisition tab,]] The left button (''Apply to''), on filter group, allows dispatching the filters to the different possible locations in the signal process. | ||
The second button allows selecting a filter type and opens the corresponding setup.<br> | The second button allows selecting a filter type and opens the corresponding setup.<br> | ||
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[[Image:Filter_connect.png|framed|none]] | [[Image:Filter_connect.png|framed|none]] | ||
All filters are available, and by adding any filters to any channel, the properties of filters and | All filters are available, and by adding any filters to any channel, the properties of filters and channels selected are displayed and filters are applied in the current measurement: | ||
[[Image:Reports_Tools_Ribbons_372.png|framed|none]] | [[Image:Reports_Tools_Ribbons_372.png|framed|none]] | ||
Warning: Due to bandwidth compatibility, the filters use is exclusive of the plug-in. I.e: Once a filter is associated to a location (ex: a plug-in channel) it can be used on the same plug-in channels | Warning: Due to bandwidth compatibility, the filters use is exclusive of the plug-in. I.e: Once a filter is associated to a location (ex: a plug-in channel) it can be used on only the same plug-in channels. The front-end is considered a plug-in. | ||
====Filters==== | ====Filters==== | ||
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* '''Type''': the type (Low pass or High pass) of the filter. | * '''Type''': the type (Low pass or High pass) of the filter. | ||
* '''Filter order''': filter order from 1 to 6. The higher is the order, the steepest is the cut-off slope. | * '''Filter order''': filter order from 1 to 6. The higher is the order, the steepest is the cut-off slope. | ||
* '''Applied to''': Indicates on | * '''Applied to''': Indicates on which plug-in the filter can be used. Indeed the construction of the filter requires applying it on signal with the same bandwidth. The determination of the associated plug-in/bandwidth is automatic. Deactivate the filter to reset it. | ||
The other modules (front-end, monitor, resources) | The other modules (front-end, monitor, resources) operate at the front end input sampling (in connected mode on-line) or to the max player bandwidth (in post analysis mode). | ||
{|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | {|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | ||
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|}<br clear="all"> | |}<br clear="all"> | ||
Note even if plug-ins run in the same bandwidth, | Note even if plug-ins run in the same bandwidth, its not possible to share filters between different plug-in. | ||
* '''Cut'''-'''off frequency''': the filter cut-off frequency. Its maximum value is the input frequency range. Its minimum value is: FR / 40 (for a Low pass filter) and FR / 400 (for a High pass filter), where FR is the input frequency range. | * '''Cut'''-'''off frequency''': the filter cut-off frequency. Its maximum value is the input frequency range. Its minimum value is: FR / 40 (for a Low pass filter) and FR / 400 (for a High pass filter), where FR is the input frequency range. | ||
'''Warning '''for measurements including signal phase (i.e: balancing or Bode plot)''' '''the cut-off frequency must be | '''Warning '''for measurements including signal phase (i.e: balancing or Bode plot)''' '''the cut-off frequency must be chosen far (10 times) from the frequency of interest. If not, the phase of the low pass filter will affect the phase of the result. | ||
* '''By'''-'''pass''': On / Off. The filter is not applied if By-pass is On. | * '''By'''-'''pass''': On / Off. The filter is not applied if By-pass is On. | ||
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[[Image:Filter_builder_03.png|framed|none]] | [[Image:Filter_builder_03.png|framed|none]] | ||
By passing a filter does not request stabilization time. | By-passing a filter does not request stabilization time. | ||
=====Pass-Stop band===== | =====Pass-Stop band===== | ||
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* '''Type''': the type (Band pass or Band stop) of filter. | * '''Type''': the type (Band pass or Band stop) of filter. | ||
* '''Filter order''': 2, 4, 6, 8 or 10. The higher is the order, the steepest is the cut-off. | * '''Filter order''': 2, 4, 6, 8 or 10. The higher is the order, the steepest is the cut-off. | ||
* '''Applied to''': Indicates on | * '''Applied to''': Indicates on which plug-in the filter can be used. Indeed the construction of the filter requires applying it on signal with the same bandwidth. The determination of the associated plug-in/bandwidth is automatic. Deactivate the filter to reset it. | ||
The other modules (front-end, monitor, resources) | The other modules (front-end, monitor, resources) operate at the front end input sampling (in connected mode on-line) or to the max player bandwidth (in post analysis mode). | ||
{|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | {|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | ||
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|}<br clear="all"> | |}<br clear="all"> | ||
Note: even if plug-ins run in the same bandwidth, it | Note: even if plug-ins run in the same bandwidth, it not possible to share filters between different plug-in. | ||
* '''Low cut-off frequency''': the low filter cut-off frequency. Its minimum value is 0.055 * FR, where FR is the input frequency range. However, the following conditions must also be fulfilled: | * '''Low cut-off frequency''': the low filter cut-off frequency. Its minimum value is 0.055 * FR, where FR is the input frequency range. However, the following conditions must also be fulfilled: | ||
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'''0.0075 * FR <nowiki><</nowiki>= B <nowiki><</nowiki>= 0.5 FR''' | '''0.0075 * FR <nowiki><</nowiki>= B <nowiki><</nowiki>= 0.5 FR''' | ||
where B is the bandwidth between Low and high cut-off frequency | where B is the bandwidth between Low and high cut-off frequency and FR is the input frequency range. | ||
and FR is the input frequency range. | |||
* '''High cut-off frequency''': the filter high cut-off frequency. Its maximum value is the input frequency range. However, the following conditions must also be fulfilled: see Low cut-off frequency. | * '''High cut-off frequency''': the filter high cut-off frequency. Its maximum value is the input frequency range. However, the following conditions must also be fulfilled: see Low cut-off frequency. | ||
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* '''Label''': the name of the filter (by default Integrator n, with 1 <nowiki><</nowiki>= n <nowiki><</nowiki>= ). | * '''Label''': the name of the filter (by default Integrator n, with 1 <nowiki><</nowiki>= n <nowiki><</nowiki>= ). | ||
* '''Type''': the type (High Pass <nowiki>+</nowiki> single integ. / High Pass <nowiki>+</nowiki> double integ.) of the filter. | * '''Type''': the type (High Pass <nowiki>+</nowiki> single integ. / High Pass <nowiki>+</nowiki> double integ.) of the filter. | ||
* '''Applied to''': Indicates on | * '''Applied to''': Indicates on which plug-in the filter can be used. Indeed the construction of the filter requires applying it on signal with the same bandwidth. The determination of the associated plug-in/bandwidth is automatic. Deactivate the filter to reset it. | ||
The other modules (front-end, monitor, resources) | The other modules (front-end, monitor, resources) operate at the front end input sampling (in connected mode on-line) or to the max player bandwidth (in post analysis mode). | ||
{|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | {|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | ||
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|}<br clear="all"> | |}<br clear="all"> | ||
Note even if plug-ins run in the same bandwidth, it | Note even if plug-ins run in the same bandwidth, it not possible to share filters between different plug-in. | ||
* '''HP cut'''-'''off frequency''': the cut-off frequency of the High pass filter contained in this integrator filter. Its maximum value is FR / 2000, and its minimum value is FR / 10000, where FR is the input frequency range. | * '''HP cut'''-'''off frequency''': the cut-off frequency of the High pass filter contained in this integrator filter. Its maximum value is FR / 2000, and its minimum value is FR / 10000, where FR is the input frequency range. | ||
'''Warning '''for measurements including signal phase (i.e: balancing or Bode plot)''' '''the cut-off frequency must be | '''Warning '''for measurements including signal phase (i.e: balancing or Bode plot)''' '''the cut-off frequency must be chosen far (10 times) from the frequency of interest. If not the phase of the low pas filter will affect the phase of the result. | ||
'''Integration ''''''time''': the time constant of the integrator filter is equal to 1s. This is fixed value, not a setting. | '''Integration ''''''time''': the time constant of the integrator filter is equal to 1s. This is fixed value, not a setting. | ||
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* '''Label''': the name of the filter (by default Differentiator n, with 1 <nowiki><</nowiki>= n <nowiki><</nowiki>= 3). | * '''Label''': the name of the filter (by default Differentiator n, with 1 <nowiki><</nowiki>= n <nowiki><</nowiki>= 3). | ||
* '''Applied to''': Indicates on | * '''Applied to''': Indicates on which plug-in the filter can be used. Indeed the construction of the filter requires applying it on signal with the same bandwidth. The determination of the associated plug-in/bandwidth is automatic. Deactivate the filter to reset it. | ||
The other modules (front-end, monitor, resources) | The other modules (front-end, monitor, resources) operate at the front end input sampling (in connected mode on-line) or to the max player bandwidth (in post analysis mode). | ||
{|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | {|border="2" cellspacing="0" cellpadding="4" width="59%" align="center" | ||