How to create a filter using mathscript transfer function in labview

Dear all,
I am currently designing a filter in labview using a Mathscript looping. The filter can be represented in transfer function. I have attachted the transfer function equation together with its value and the desire frequency vs. amplitude graph that I should obtained from it. Also, following are the transfer function written in Matlab.
B1= tf ([57.5221845],[1 51.017077 205.1868]);
B2 = tf ([1 0],[7.6991]);
B3 = tf ([1 0],[14.32433403]);
B4 = tf ([1 0],[137.6017]);
F = B1 * ( (1+B3)/((1+B2)*(1+B4)));
plot(F)
I have also modify the coding as Labview Mathscript does not support the Matlab coding "tf" as transfer function to "bilinear"
Problem I am facing are:
1) Unable to display the graph of the filter in labvie.
2) Unable to have sinewave as an input to the filter.
3) The output cannot be display in graph format.
Hope to have the soonest reply from you guys. Many thanks in advance
Solved!
Go to Solution.
Attachments:
transfer function.jpg ‏18 KB
Weighting Filter.vi ‏266 KB

Thank you again for offering to help me in writing the code.
I suppose that I should do a frequency sweep on the transfer
function to prove that it behave as the sample graph. Example, if I have an input sine
wave with the frequency of 8.8Hz passing through the transfer function filter, the
output that I should be getting is 1 according to the transfer function graph
and of cause the frequency range of my input sine wave would only be between
the ranges of 0.5 Hz to 30 Hz.
Attachments:
Weighting FilterTest1.vi ‏53 KB

Similar Messages

How to create executable that uses mathscript? (LabVIEW 8.2)

Hello all, I have a rather lengthy algorithm developed in MATLAB that needs to be ported to LabVIEW 8.20, with the restraint of having to execute my code in under half a second. If I use the MathScript node/window, I can get the code to run in ~100ms by compiling it in the window and then running the VI. If I don't compile the code before running it, it takes approximately 16 seconds each time I run it, plus some hang up time after it finishes, as if it is closing something. However, it seems that I have to recompile every time I load the project or close/reopen the MathScript Window. My first question is if there is anyway around this, like saving the compiled code to be used if the program is closed and reopened. But in the end, the whole thing must go in an executable. I saw that in 8.20 MathScript code can be built into executables, but the executable that results still takes 48 seconds to run each time. Is this unavoidable? In the build specifications, I've checked the Enable MathScript Support box, and included the code file in the Dynamic VIs/Support Files category and have tried all the options under Additional Exclusions in the build spec window. By compiling the code in the MathScript Window and clicking Save All in the Project Window, there is an option to save a VI that the script seems to have created, which I have also tried to include in the build but received the same results. Any help at all would be greatly appreciated. Thanks in advance,
Chris

Hi Janell, thanks for responding.
The exe does not run any faster if I run it multiple times. I've only
ever run it three times in a row, however, before giving up on that
build.
I've attached a zip of the project folder that includes the m file and
the project/VI files. The exe is also in there in the folder 'Cueing'.
I did make a simple MathScript program that added two numbers and it
ran fine, both using a function call and the MathScript window and just
putting the code in the MathScript node. Both implementations had no
problems, neither did the exe's using either method.
Thanks,
Chris
Message Edited by ChrisReeves on 07-26-2007 01:41 PM - Well, I don't know if I will be able to attach the exe since the site is timing out on me when I try to upload it. It might just be too big.
Message Edited by ChrisReeves on 07-26-2007 01:44 PM
Attachments:
Cueing.zip ‏130 KB

How to create the WSDL using the search function is to implement it ?

Hi
I have a question to everyone.
I have developed LivecycleDesigner now.
PDF Once the search process was conducted in the screen press the search button, the ability to display search results and we want to create PDF on the screen.
I want to implement a WSDL to connect, not handled properly.
MicrosoftInfoPath has been successfully processed, the WSDL no problem I think.
Would you be able to advise?
I would like a sample if possible.
Thanks and best regards,

Mingfei is correct, you probably have no Streaming Reserved Unit configured in your account.
Dynamic packaging from MP4 to Smooth, HLS, and DASH only works if you have a Streaming RU turned on. Otherwise, you can only progressive download the MP4 files or use the Smooth Streaming encoding presets only (which will not support dynamic packaging to
HLS and DASH).
Have you tried to use the Azure Media Explorer tool to test this out again? I think you will find that it works just fine through the AME tool.
The tool will show you the existing streaming Locators on your asset and it will give you access to multiple Players that can play the video back.
You can find the installation package on http://aka.ms/amse
Once you install it, encode and publish your asset, and then use the Publish->Playback menu to test out the stream.

I have transefer function like (1/(s^2+s+5)) and i have a square wave input , i want to use this transfer function with this input to see the output , how can i do that , with example please.

i need to know also how to represent this transfer function in labview, try to send me example. answer me at my mail

"st" wrote:
> answer me at my mail
give a valid e-mail first, and your name, we don't like to help anonymous
people
> try to send me example.
how much do you pay ?
> i have transefer function like (1/(s^2+s+5)) and i have a square wave
> input , i want to use this transfer function with this input to see
> the output , how can i do that
First you have to know what you are doing, like an engineer : you have a
Laplace, continuous time transfer function but LabView handles discrete
signals only. Use matlab/simulink if you want to simulate continuous time
systems easily...
If you definitely want to use LabView, the first step is to discretize your
continuous-time transfer function, i.e. decide a sampling rate and convert
it to a "z transfor
m". Then you can directly use the "IIR Filter.vi" as I
said earlier.
Philippe Guglielmetti - www.dynabits.com me at my mail

How to create a session using call transaction method.

hi , this is nagaraju,
How to create a session using call transaction method.

Hi,
About Data Transfer In R/3 System
When a company decides to implement the SAP R/3 to manage business-critical data, it usually does not start from a no-data situation. Normally, a SAP R/3 project comes into replace or complement existing application.
In the process of replacing current applications and transferring application data, two situations might occur:
     The first is when application data to be replaced is transferred at once, and only once.
     The second situation is to transfer data periodically from external systems to SAP and vice versa.
     There is a period of time when information has to be transferred from existing application, to SAP R/3, and often this process will be repetitive.
The SAP system offers two primary methods for transferring data into SAP systems. From non-SAP systems or legacy system. These two methods are collectively called batch input or batch data communication.
1. SESSION METHOD
2. CALL TRANSACTION
3. DIRECT INPUT
First step for both the methods is to upload the data to internal table. From Internal Table, the data is transferred to database table by two ways i.e., Session method and Call transaction.
Session is intermediate step between internal table and database table. Data along with its action is stored in session i.e., data for screen fields, to which screen it is passed, the program name behind it, and how the next screen is processed.
When the program has finished generating the session, you can run the session to execute the SAP transactions in it. Unless session is processed, the data is not transferred to database table.
A technique similar to SESSION method, while batch input is a two-step procedure, Call Transaction does both steps online, one after the other. In this method, you call a transaction from your program.
SESSION METHOD
Data is not updated in database table unless Session is processed.
No sy-subrc is returned.
Error log is created for error records.
Updation in database table is always synchronous
CALL TRANSACTION
Immediate updation in database table.
Sy-subrc is returned.
Errors need to be handled explicitly
Updation in database table can be synchronous Or Asynchronous.
Regards,
Sruthi.

How to create a class using java script..

Hi all,
Iam new to java script and I tried out the following program but its not working..I basically created a class just like a java prog' but Iam not getting any output or error.Iam attaching the code below.
If I created one function inside the script and create one object its working fine but what should I do when I have a lot of function??so I created a class and put all the function and created an object but its not working..
Do let me know what changes should I do..Iam attaching the code which I had written. or give me an example of how to create a class with couple of functions using JAVASCRIPT
Thanks
Avis_su
<html>
<head><title>JSP Page</title></head>
<body>
<SCRIPT language = "JavaScript">

</script>
</body>
</html>

Run this program to get your answer:
public class AnswerToYourPost {
public static void main(String args[]) {
System.out.println("TRUE/FALSE: This question
ion belongs on a Java forum.\n"
+ "ANSWER: " + ("Javascript" == "Java"));
}Since when do we compare objects for equality using operator == ?

How to create purchase order using VA01 for BAPI?

how to create purchase order using VA01 for BAPI?

Hi Arun,
Please check this link
Example Program for BAPI_PO_CREATE1
Re: BAPI_PO_CREATE1
Questions in BAPI_PO_CREATE1
Problem with BAPI_PO_CREATE1
*& Report BAPI_PO_CREATE *
REPORT bapi_po_create.
Input File Declaration
TYPES: BEGIN OF ty_input_file,
column1 TYPE char50,
column2 TYPE char50,
column3 TYPE char50,
column4 TYPE char50,
column5 TYPE char50,
column6 TYPE char50,
column7 TYPE char50,
column8 TYPE char50,
column9 TYPE char50,
column10 TYPE char50,
column11 TYPE char50,
column12 TYPE char50,
column13 TYPE char50,
column14 TYPE char50,
column15 TYPE char50,
column16 TYPE char50,
column17 TYPE char50,
column18 TYPE char50,
END OF ty_input_file.
DATA: i_input_file TYPE STANDARD TABLE OF ty_input_file,
wa_input_file TYPE ty_input_file.
CONSTANTS: c_path TYPE char20 VALUE 'C:\',
c_mask TYPE char9 VALUE ',.,..',
c_mode TYPE char1 VALUE 'O',
c_filetype TYPE char10 VALUE 'ASC',
c_x TYPE char01 VALUE 'X'.
PARAMETERS : p_fname LIKE rlgrap-filename.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_fname.
Browse Presentation Server
PERFORM f4_presentation_file.
START-OF-SELECTION..
Read presentation server file
PERFORM f1003_upload_file.
IF NOT i_input_file[] IS INITIAL.
PERFORM split_data.
ENDIF.
*& Form f4_presentation_file
*& F4 Help for presentation server
FORM f4_presentation_file .
CALL FUNCTION 'WS_FILENAME_GET'
EXPORTING
def_path = c_path
mask = c_mask
mode = c_mode
title = text-001
IMPORTING
filename = p_fname
EXCEPTIONS
inv_winsys = 1
no_batch = 2
selection_cancel = 3
selection_error = 4
OTHERS = 5.
IF sy-subrc 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDFORM. " f4_presentation_file
*& Form f1003_upload_file
*& Upload File
FORM f1003_upload_file .
DATA: lcl_filename TYPE string.
lcl_filename = p_fname.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
filename = lcl_filename
filetype = c_filetype
has_field_separator = c_x
TABLES
data_tab = i_input_file
EXCEPTIONS
file_open_error = 1
file_read_error = 2
no_batch = 3
gui_refuse_filetransfer = 4
invalid_type = 5
no_authority = 6
unknown_error = 7
bad_data_format = 8
header_not_allowed = 9
separator_not_allowed = 10
header_too_long = 11
unknown_dp_error = 12
access_denied = 13
dp_out_of_memory = 14
disk_full = 15
dp_timeout = 16
OTHERS = 17.
IF sy-subrc 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
EXIT.
ENDIF.
ENDFORM. " f1003_upload_file
*& Form split_data
Collect data for creating Purchase Order
FORM split_data .
DATA: i_poitem TYPE STANDARD TABLE OF bapimepoitem,
i_poitemx TYPE STANDARD TABLE OF bapimepoitemx,
i_poitem_sch TYPE STANDARD TABLE OF bapimeposchedule,
i_poitem_schx TYPE STANDARD TABLE OF bapimeposchedulx,
i_acct_*** TYPE STANDARD TABLE OF bapimepoaccount,
i_acct_assx TYPE STANDARD TABLE OF bapimepoaccountx,
i_services TYPE STANDARD TABLE OF bapiesllc ,
i_srvacc TYPE STANDARD TABLE OF bapiesklc,
i_return TYPE STANDARD TABLE OF bapiret2,
wa_header TYPE bapimepoheader,
wa_headerx TYPE bapimepoheaderx,
wa_poitem TYPE bapimepoitem,
wa_poitemx TYPE bapimepoitemx,
wa_poitem_sch TYPE bapimeposchedule,
wa_poitem_schx TYPE bapimeposchedulx,
wa_acct_*** TYPE bapimepoaccount,
wa_acct_assx TYPE bapimepoaccountx,
wa_services TYPE bapiesllc,
wa_srvacc TYPE bapiesklc,
wa_return TYPE bapiret2,
ws_po TYPE bapimepoheader-po_number.
break gbpra8.
wa_services-pckg_no = 10.
wa_services-line_no = 1.
wa_services-outl_no = '0'.
wa_services-outl_ind = c_x.
wa_services-subpckg_no = 20.
APPEND wa_services TO i_services.
wa_srvacc-pckg_no = 10.
wa_srvacc-line_no = 1.
wa_srvacc-serno_line = 01.
wa_srvacc-serial_no = 01.
wa_srvacc-percentage = 100.
APPEND wa_srvacc TO i_srvacc.
LOOP AT i_input_file INTO wa_input_file.
IF wa_input_file-column2 EQ 'HD'.
wa_header-doc_type = wa_input_file-column3.
wa_header-creat_date = sy-datum.
wa_header-created_by = sy-uname.
wa_header-vendor = wa_input_file-column4.
PERFORM conversion_output USING wa_header-vendor
CHANGING wa_header-vendor.
wa_header-comp_code = 'DE03'.
wa_header-purch_org = 'DE03'.
wa_header-pur_group = 'DE1'.
wa_header-vper_start = wa_input_file-column9.
wa_header-vper_end = wa_input_file-column10.
wa_headerx-comp_code = c_x.
wa_headerx-doc_type = c_x.
wa_headerx-creat_date = c_x.
wa_headerx-created_by = c_x.
wa_headerx-vendor = c_x.
wa_headerx-purch_org = c_x.
wa_headerx-pur_group = c_x.
wa_headerx-vper_start = c_x.
wa_headerx-vper_end = c_x.
ENDIF.
IF wa_input_file-column2 EQ 'IT'.
wa_poitem-po_item = wa_input_file-column3.
wa_poitem-short_text = wa_input_file-column6.
wa_poitem-plant = wa_input_file-column8.
wa_poitem-quantity = '1'.
wa_poitem-tax_code = 'V0'.
wa_poitem-item_cat = 'D'.
wa_poitem-acctasscat = 'K'.
wa_poitem-matl_group = wa_input_file-column7.
wa_poitem-pckg_no = '10'.
APPEND wa_poitem TO i_poitem .
wa_poitemx-po_item = wa_input_file-column3.
wa_poitemx-po_itemx = c_x.
wa_poitemx-short_text = c_x.
wa_poitemx-plant = c_x.
wa_poitemx-quantity = c_x.
wa_poitemx-tax_code = c_x.
wa_poitemx-item_cat = c_x.
wa_poitemx-acctasscat = c_x.
wa_poitemx-matl_group = c_x.
wa_poitemx-pckg_no = c_x.
APPEND wa_poitemx TO i_poitemx.
wa_poitem_sch-po_item = wa_input_file-column3.
wa_poitem_sch-delivery_date = sy-datum.
APPEND wa_poitem_sch TO i_poitem_sch.
wa_poitem_schx-po_item = wa_input_file-column3.
wa_poitem_schx-po_itemx = c_x.
wa_poitem_schx-delivery_date = c_x.
APPEND wa_poitem_schx TO i_poitem_schx.
wa_acct_***-po_item = 10.
wa_acct_***-serial_no = 01.
wa_acct_***-gl_account = '0006360100'.
wa_acct_***-co_area = '1000'.
wa_acct_***-costcenter = 'KC010000'.
APPEND wa_acct_*** TO i_acct_***.
wa_acct_***-po_item = 10.
wa_acct_***-serial_no = 02.
wa_acct_***-gl_account = '0006360100'.
wa_acct_***-co_area = '1000'.
wa_acct_***-costcenter = 'KC010000'.
APPEND wa_acct_*** TO i_acct_***.
wa_acct_assx-po_item = 10.
wa_acct_assx-serial_no = 01.
wa_acct_assx-po_itemx = c_x.
wa_acct_assx-serial_nox = c_x.
wa_acct_assx-gl_account = c_x.
wa_acct_assx-co_area = c_x.
wa_acct_assx-costcenter = c_x.
APPEND wa_acct_assx TO i_acct_assx.
wa_acct_assx-po_item = 10.
wa_acct_assx-serial_no = 02.
wa_acct_assx-po_itemx = c_x.
wa_acct_assx-serial_nox = c_x.
wa_acct_assx-gl_account = c_x.
wa_acct_assx-co_area = c_x.
wa_acct_assx-costcenter = c_x.
APPEND wa_acct_assx TO i_acct_assx.
wa_services-pckg_no = 20.
wa_services-line_no = 2.
wa_services-service = wa_input_file-column9.
wa_services-quantity = '100'.
wa_services-gr_price = '100'.
wa_services-userf1_txt = wa_input_file-column13.
APPEND wa_services TO i_services.
wa_srvacc-pckg_no = 20.
wa_srvacc-line_no = 1.
wa_srvacc-serno_line = 02.
wa_srvacc-serial_no = 02.
wa_srvacc-percentage = 100.
APPEND wa_srvacc TO i_srvacc.
ENDIF.
ENDLOOP.
CALL FUNCTION 'BAPI_PO_CREATE1'
EXPORTING
poheader = wa_header
poheaderx = wa_headerx
POADDRVENDOR =
TESTRUN =
MEMORY_UNCOMPLETE =
MEMORY_COMPLETE =
POEXPIMPHEADER =
POEXPIMPHEADERX =
VERSIONS =
NO_MESSAGING =
NO_MESSAGE_REQ =
NO_AUTHORITY =
NO_PRICE_FROM_PO =
IMPORTING
exppurchaseorder = ws_po
EXPHEADER =
EXPPOEXPIMPHEADER =
TABLES
return = i_return
poitem = i_poitem
poitemx = i_poitemx
POADDRDELIVERY =
poschedule = i_poitem_sch
poschedulex = i_poitem_schx
poaccount = i_acct_***
POACCOUNTPROFITSEGMENT =
poaccountx = i_acct_assx
POCONDHEADER =
POCONDHEADERX =
POCOND =
POCONDX =
POLIMITS =
POCONTRACTLIMITS =
poservices = i_services
posrvaccessvalues = i_srvacc
POSERVICESTEXT =
EXTENSIONIN =
EXTENSIONOUT =
POEXPIMPITEM =
POEXPIMPITEMX =
POTEXTHEADER =
POTEXTITEM =
ALLVERSIONS =
POPARTNER =
break gbpra8.
LOOP AT i_return INTO wa_return.
ENDLOOP.
ENDFORM. " split_data
*& Form conversion_output
Conversion exit input
FORM conversion_output USING p_ip
CHANGING p_op.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
input = p_ip
IMPORTING
output = p_op.
ENDFORM. " conversion_output
Best regards,
raam

How to Create Shared Storage using VM-Server 2.1 Red Hat Enterprise Linux 5

Thanks in advance.
Describe in sequence how to create shared storage for a two guest/node Red Hat Linux Enterprise using Oracle 2.1 VM Server on Red Hat Linux Enterprise 5 using command line or appropriate interface.
How to create Shared Storage using Oracle 2.1 VM Server?
How to configure Network for two node cluster (oracle clusterware)?

Hi Suresh Kumar,
Oracle Application Server 10g Release 2, Patch Set 3 (10.1.2.3) is required to be fully certified on OEL 5.x or RHEL 5.x.
Oracle Application Server 10g Release 2 10.1.2.0.0 or 10.1.2.0.1 versions are not supported with Oracle Enterprise Linux (OEL) 5.0 or Red Hat Enterprise Linux (RHEL) 5.0. It is recommended that version 10.1.2.0.2 be obtained and installed.
Which implies Oracle AS 10.1.2.x is some what certified on RHEL 5.x
I think it would be better if you get in touch with Oracle Support regarding this .
Sorry , I am not aware of any document on migration from Sun Solaris to RH Linux 5.2 .
Thanks,
Sutirtha

How to create an array using reflection.

How to create an array using reflection.
I want to achive something like this,Object o;
o = (Object)(new TestClass[10]);but by use of reflection.
To create a single object is simple:Object o;
o = Class.forName("TestClass").newInstance();But how do I create an array of objects, when the class of objects is known only by name? (Can't use Object[] because even though an Object[] array can be filled with "TestClass" elements only, it Cannot be casted to a TestClass[] array)
Anybody knows?":-)
Ragnvald Barth
Software enigneer

Found it!
the java.lang.reflect.Array class solves it!
Yes !!!

How to create a table using Text Layout Framework?

How to create a table using Text Layout Framework? I meen real tables - like in HTML.

Cell as indipendant TLF should work, I have created my table using same approach and works fine for me ... this is where it is
http://apps.live-documents.com/docs/openWebDoc.do?docId=1480607
Regards
Raf

How to create Handling Unit using Process Order no. & Packing Instruction

Hi experts,
Please guide me how to create Handling Unit using Process Order number & Packing Instruction reference?Noramlly this is done using standard transaction 'COWBPACK'.
ANY FUNCTION MODULE OR BAPI TO DO THIS.
if any solution please explain with proper example..
Thanks In advance
Thanks,
Yogesh

Hi experts,
Please guide me how to create Handling Unit using Process Order number & Packing Instruction reference?Noramlly this is done using standard transaction 'COWBPACK'.
ANY FUNCTION MODULE OR BAPI TO DO THIS.
if any solution please explain with proper example..
Thanks In advance
Thanks,
Yogesh

How to create web site using STRUTS frame work

Hi,
I know how to create web pages using JSP & Servlets.But now i have to create Matrimonial web site using STRUTS frame work.Plz any one guide for me...
Thank U....

Struts is not to be confused with JSF.
Start at their own homepage over there at apache.org.
Good luck.

How to create CRUD application using bapi in webdynpro java

Hi All,
I have implemented the CRUD application using bapi Now i want to create, retrieve , update and delete the existing table by click on Insert, delete, retrieve ,and update button dynamically. i get null values from database, Please let me know the logic and procedure for how to create CRUD application using bapi Please any one help me..
Thanks in advance

Hi,
Hey tell me one thing your BAPI having CURD methods. See you are getting data from BAPI and pull the data in Table in WDJ. So if u can do any action it will comes trough BAPI.
If your BAPI having CURD methods. You can implement CURD methods in WDJAVA also.
@ You said you are getting null values from the database. Please let me know what code you have to wrote for CURD. Please tell me.
Hope this is help full for u
Best Regards
Vijay K

Reg: How to create shipment by using delivery...

HI all,
How to create shipment by using delivery...
Thanks

Hi Jamie:
Thank you for your help.
Could you please tell me what is "SQL*Plus session"?
I modified the code into:
Statement Stmt = Conn.createStatement();
Stmt.executeUpdate("CREATE VIEW csclass AS SELECT * FROM CSGRADE10");
The error message is the same:
SQLException: Error during query: Unexpected Exception: java.sql.SQLException message given: Syntax error or access violation: You have an error in your SQL syntax near 'VIEW csclass AS SELECT * FROM CSGRADE10' at line 1
SQLState: S1000
VendorError: 0
I am using MySQL.
Jack

How to create bookmarks by using J2ME

Hi! Does anyone knows how to create bookmarks by using J2ME?

hey , did u get any help on this?
--vijay
Hi! Does anyone knows how to create bookmarks by
using J2ME?

How to create a filter using mathscript transfer function in labview

Similar Messages

Maybe you are looking for