What exactly is contained in "Components Level" output of Harmonic distortion Analyzer VI?

The Components Level output of the Harmonic Distortion Analyzer VI is described in the help file:
"components level contains the array of amplitudes of the measured harmonics in volts if the signal in is in volts. The array index is the harmonic number including 0 (DC), 1 (fundamental), 2 (second harmonic),... n (nth harmonic), up to and including the highest harmonic."
However, why is there more than one measurement of each harmonic included in the array? Specifically, probing the wire says it's a 1D array of clusters with one element each, the clusters are 1D array of doubles.
So, multiple double values are associate with each harmonic. What exactly do these values signify? Creating an indicator on the wire (as below, "component levels" - the indicator is right off the hamonic analyzer, not the bit below it with the index array/unbundle stuff) shows four of the numbers in the array. Sometimes the fourth or even third are greyed out, meaning that the array varies in size from one iteration of my while loop to the next.
I would think that at the least, magnitude and phase would be included, but experimentation with a source that has 60Hz, plus a harmonic (7th, or 15th, etc) at -20 degrees doesnt' correlate with the data. I don't see "-20" or the radian equivilant at all.
Any ideas or a pointer to more detailed information than the help file?

Hi Xooch,
I'm not sure that I totally understand what you're asking about. When I went to recreate this, I used both a cluster indicator and a double array that had been indexed and unbundled from the original output.
What do you mean by "multiple double values"? I only saw one value for each harmonic, so I'd like to clarify that.
I'd also like to clarify what types of values are being passed into the function and how many channels are being used. I think these answers may be helpful in finding out what's going on with the cluster greying out some of the values. I'd also like to verify that these values are being greyed out while the VI is running through different iterations of the loop as opposed to when the program has stopped and restarted.
Thanks,
-Dave C
Applications Engineer
National Instruments

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Hi SDN,
What exactly are Field symbols?
I have read they are not pointers then what are they?
Regards,
Rahul

Hi
see this
Field Symbols
Field symbols are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
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check the below links u will get the answers for your questions
http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb3860358411d1829f0000e829fbfe/content.htm
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/field_sy.htm
http://searchsap.techtarget.com/tip/1,289483,sid21_gci920484,00.html
Syntax Diagram
FIELD-SYMBOLS
Basic form
FIELD-SYMBOLS <fs>.
Extras:
1. ... TYPE type
2. ... TYPE REF TO cif
3. ... TYPE REF TO DATA
4. ... TYPE LINE OF type
5. ... LIKE s
6. ... LIKE LINE OF s
7. ... TYPE tabkind
8. ... STRUCTURE s DEFAULT wa
The syntax check performed in an ABAP Objects context is stricter than in other ABAP areas. See Cannot Use Untyped Field Symbols ad Cannot Use Field Symbols as Components of Classes.
Effect
This statement declares a symbolic field called <fs>. At runtime, you can assign a concrete field to the field symbol using ASSIGN. All operations performed with the field symbol then directly affect the field assigned to it.
You can only use one of the additions.
Example
Output aircraft type from the table SFLIGHT using a field symbol:
FIELD-SYMBOLS <PT> TYPE ANY.
DATA SFLIGHT_WA TYPE SFLIGHT.
ASSIGN SFLIGHT_WA-PLANETYPE TO <PT>.
WRITE <PT>.
Addition 1
... TYPE type
Addition 2
... TYPE REF TO cif
Addition 3
... TYPE REF TO DATA
Addition 4
... TYPE LINE OF type
Addition 5
... LIKE s
Addition 6
... LIKE LINE OF s
Addition 7
... TYPE tabkind
Effect
You can define the type of the field symbol using additions 2 to 7 (just as you can for FORM parameters (compare Defining the Type of Subroutine Parameters). When you use the ASSIGN statement, the system carries out the same type checks as for USING parameters of FORMs.
This addition is not allowed in an ABAP Objects context. See Cannot Use Obsolete Casting for FIELD SYMBOLS.
In some cases, the syntax rules that apply to Unicode programs are different than those for non-Unicode programs. See Defining Types Using STRUCTURE.
Effect
Assigns any (internal) field string or structure to the field symbol from the ABAP Dictionary (s). All fields of the structure can be addressed by name: <fs>-fieldname. The structured field symbol points initially to the work area wa specified after DEFAULT.
The work area wa must be at least as long as the structure s. If s contains fields of the type I or F, wa should have the structure s or at least begin in that way, since otherwise alignment problems may occur.
Example
Address components of the flight bookings table SBOOK using a field symbol:
DATA SBOOK_WA LIKE SBOOK.
FIELD-SYMBOLS <SB> STRUCTURE SBOOK
DEFAULT SBOOK_WA.
WRITE: <SB>-BOOKID, <SB>-FLDATE.
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Thanks,
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Hi,
Deliver Documents due for Delivery and Display Deliveries
Title
Documents due for delivery.
User-specific settings
New functions in Release 4.6C
New functions in Release 4.6A.
Purpose
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Documents (such as sales orders or purchase orders) are analyzed or delivered after their planned delivery creation time.
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Manual specification of the actual quantities to be delivered (scheduling agreement item, for instance)
Introductory phase for setting automated creation of outbound deliveries
Collective delivery of multiple documents in one processing step is especially useful if:
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If more time passes between the initial transaction (sales order, purchase order) and the actual outbound delivery (picking, shipment completion) than is necessary for picking and transportation planning
if several orders for one ship-to party should be put together in one delivery.
Integration
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Sales order - Delivery - Picking - Shipment - Billing document
Purchase order - Delivery - Picking - Shipment - Billing document/ Self-billing
Creation of the outbound delivery is the central element for outbound shipment of goods and services.
Prerequisites
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For sales orders, for example, the availability check must have confirmed a quantity and the conditions for creation of the delivery list must also be met.
Selection
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Validity of selection criteria
The general selection criteria (tab page General data) restricts the number of sales orders and purchase orders found.
The selection criteria for sales orders (tab page sales orders) restricts the number of sales orders found.
The selection criteria for purchase orders (tab page purchase orders) restricts the number of purchase orders found.
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Standard Variants
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Activities
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Customizing
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User-specific default scenario
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<b>Reward points</b>
Regards

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Can you give me an idea as to what exactly being installed in the Office Tools component of Sharepoint Designer?
Regards

According to you description,my understanding is you want to know how it fixed your problem by installing Office Tools.If yes,please refer the below description.
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Best Regards,
Pavan Kumar Sapara.
Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem.
s p kumar

What exactly did I Migrate??

Hi,
I wanted to copy only a few things from my old Mac to my new MacBookPro. So I started Migration Assistant, thinking I could select individual files and folders. Mainly I wanted to copy my iTunes Library, plus a few random other folders in my user account.
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or
http://docs.sun.com/app/docs/doc/817-0683/6mgff29c4?q=procfs&a=view
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Hello,
Please check all Utility programs in Public Sector Management (PSM-FM)
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To understand FM itself (which means all the component/module/area) please check the following menu in help.sap.com
SAP ERP Central Component -> Financials -> Public Sector Management ->
Funds Management
There you will find a lot of information related this component that is integrated with FI, CO, MM, SD, PM and so on.
Best Regards,
Vanessa.

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These are the specs for my computer...
ASUS m5a99x EVO motherboard
8 gigs ddr3 1600 ram
NVIDIA 9800gt 1 gig ddr3 gpu
AMD Phenom II x4 B50 Processor at 3.2ghz (IE its an AMD athlon II 450 X3 3.2ghz with its fourth core unlocked (of which i have had no problems with thus far, as it seems to be very stable)
150 gig 7200 sata 2 harddrive (OLD)
200 gig 5400 sata 2 hard drive (OLD AS SH*T)
300ghz portable usb2 hd (7200) (2 years old)
Basicly, I cant seem to run even basic text in after effects faster than 19 FPS.
I've tried to change the resolution to half, and even a fourth, and that didnt work at all, infact it made it run about 1 frame worse.
I tried changing the Open gl texture memory, raising and lowering, but to no avail, Ive changed the ram usage in after effects to use 2 gigs per core, then one gig, then turned off multiframe rendering alltogether, and nothing.
I feel like ive tried everything in my power.
Now the Imacs at my school, they run the program smooth as hell... and they arent that much better, spec wise than my computer.
Even my friends Imac can run it smooth, and he only has an I5 cpu at 2.4ghz, which is fine and my understanding of cpus is that those are better proccessors, but its not that much better, and even still, why would that be neccesary just to run text scrolling accross the screen?
Even more so, why would changing the resolution not have any effect?
What exactly do I need to run after effects smoothly for a basic text scroll at say, 720P?
I need to know what to upgrade, soon I plan to get cs6 and I would like to have a computer that can edit basic HD properly.
What I realy dont get is that I know people with laptops that are running AE smoothly and these are much worse than the specs on my machine, some even with only 4 gigs of ram...
Is there something wrong, do I have some sort of frame limiter thats capping at 19 fps? is there some sort of memory leak?
Any help would be much apreciated.
Now the only thing I can think of thats holding me back is the crappy hard drives, every thing else seems like it should at least run text on after effects at 30 fps.

thanks, that at least is enough to get me started, lol I have a deadline tomorrow and have been burning a lot of time on just trying to get this to run smooth.
BTW, I am running the project off of the portable, I switched from the old, but faster harddrive that was sata2 to the portable given I thought that might increase the speed, which it didnt.
what I might do is crack the case and just plug it straight into the computer, though I am hesitant to do so as if I were going to do that, I might as well just purchase a usb 3.0 one and do that so i can get sata 3 out of it, since those cases dont exactly just snap back together.
When I say basic text, I mean layered text, just word after word in order. I honestly dont have any plugins that I know of, (if I had the money for them I would have spent it on a better computer probably) so what I have is what came with the master collection.
And when I say 19 FPS I mean spacebar...
NOW I KNOW, that Im not garunteed 30 fps when running the preview, but when I use the mac, it previews fine... and i just looked up my CPU in comparison to the I5 in the IMAC that I was refering to, and mine is actualy faster according to some benchmarks, granted its not faster than the vast majority of I5s and I7s, but the particular ones in the computers I was refering to, mine is actualy faster over all, so I figure its not a CPU thing (unless its a -our software only works right on INTEL- thing).
Now as far as the 3d camera, yes I am using it, but even when I run the text without a camera function (ie the thing that you have in your comp) or any sort of 3d layering it runs just as slow.
The Audio might be a problem, I used to have a soundcard, but that died about a year ago so I have been using onboard sound (realtek HD something) which truly sucks in comparison to a proper sound card, but I cant imagine the IMACs have anything better, I mean the sound from the Imac kinda sucks alltogether, dosent even have any sort of virtual surround... But a driver issue it could be, realtek is kind of ghetto in that regard.
I will try some of the tips above (the open gl and the preview output and such), and thank you very much.
*EDIT*
OK, so with the preview output, I have computer monitor only? is that what you ment?
*EDIT*
OK, so I did the OpenGL thing, removed it, and for a brief few secconds, it started to run at a mix of 25 to 30 fps, then, when I went to play it again, it was back at 19.

What exactly is the diff between main window and variable window

what exactly is the diff between main window and variable window in SAP script?

hi,
MAIN WINDOW :- In a main window you display text and data, which can cover several pages (flow text). As soon as a main window is completely filled with text and data, the system continues displaying the text in the main window of the next page. It automatically triggers the page break.
You can define only have one window in a form as main window.
The main window must have the same width on each page, but can differ in height.
A page without main window must not call itself as next page, since this would trigger an endless loop. In such a case, the system automatically terminates after three pages.
VARIABLE WINDOW :- The contents of variable windows is processed again for each page, on which the window appears. The system outputs only as much text as fits into the window. Text exceeding the window size is truncated; the system does not trigger a page break. Unlike constant windows, the page windows declared as variable windows may have different sizes on different form pages.
As far as the processing of the window contents is concerned, the system currently treats constant and variable windows alike. The only difference is that constant windows have the same size throughout the form.
hope this will be useful.
If useful then reward points.
with regards,
Syed

What exactly is the advantage of VPN?

I work in an architectural office of about 15 people. We've always had access to our wiki, files and calendars when out of the office.
Currently we have a Standard setup of Leopard Server with the following services: iChat (using just a private local domain), iCal (with all calendars delegated to one another), AFP file server (3 different groups) and Wiki Server.
What exactly would the advantage be to us of VPN, over simply connecting to a file server via "Connect to Server...", accessing our Wiki via the office IP address, and subscribing directly to our calendars from home?

VPN: Virtual Private Network.
Virtual: implemented without needing specific hardware; uses existing networking hardware and connections. Non-virtual ("real" or "physical") private networks typically involve dragging network wires around or broadcasting signals of your own, or leasing T1 or SONET lines and other such gear from a communications vendor.
Private: A private network is (preferably) difficult to eavesdrop from the open WiFi at the coffee shop, easier to control access. Non-private networks are also known as open networks, and that ftp or telnet or imap/pop password you just entered can be read by others on the same network. That, and the entire contents of the mail messages you have sent and received over the open network are also accessible.
Some private networks are less secure than others. The WEP-based security provided by some WiFi networks is now usually considered to be analogous to a wide-open WiFi; WEP is quite weak, and tools to break it are widely available. WPA is rather better here, and anyone using WEP should move to WPA, or better. (qv: the TJX credit card data exposure was reportedly due to the use of WEP.)
Most VPNs also have some form of authentication; a certificate, smartcard or token card, or other such challenge. Passwords are one of the weakest mechanisms here, but there are VPNs that use just passwords.
+I guess too, there is some additional functionality added. For instance if you're logged into the VPN with a work laptop, presumably if you update your server-based calendar it will update the server as well.+
No. A VPN is and should be assumed nothing more than a network connection. The difference is in the degree of privacy provided. Beyond the encryption and authentication typically inherent, VPNs do not add application-level features over what an open network connection might provide.
An ssh tunnel is a specific form of VPN, and does reasonably well at providing security and at avoiding exposing your password and your data.
Network: as with open networks, VPNs can be used to allow client systems to access a network, or to bridge two or more networks together. VPNs can also provide a reasonable way to manage the connections between these networks, or a client connecting into a network. For the purposes of discussing connectivity, a VPN is another form of a network connection.

What exactly is the difference between enqueue,latch & lock

Can someone explain in simple words (with example if possible) what exactly is the difference between enqueue,latch & lock?
I have gone through documentation & other links,but just not able to figure out the exact & clear difference between these three..
Cheers,
Kunwar

In addition to links provided by Sb and nice explanations by Aman, i would like to add below :
1.Latches and enqueues are lightweight serialization devices used to coordinate multi-user access to
shared data structures, objects and files.
Latches are locks that are held for extremely short periods of time, for example the time it takes to modify
an in-memory data structure. They are used to protect certain memory structures, such as the database
block buffer cache or the library cache in the shared pool (as described in Chapter 2, Architecture). Latches
are typically requested internally in a ‘willing to wait’ mode. This means that if the latch is not available,
the requesting session will sleep for a short period of time and retry the operation later. Other latches may
be requested in an ‘immediate’ mode, meaning that the process will go do something else rather than sit
and wait for the latch to become available. Since many requestors may be waiting for a latch at the same
time, you may see some processes waiting longer than others. Latches are assigned rather randomly, based
on the ‘luck of the draw’, if you will. Whichever session asks for a latch right after it was released will get it.
There is no line of latch waiters, just a ‘mob’ of waiters constantly retrying.
Oracle uses atomic instructions like ‘test and set’ for operating on latches. Since the instructions to set
and free latches are atomic, the operating system itself guarantees that only one process gets it. Since it
is only one instruction, it can be quite fast. Latches are held for short periods of time and provide a
mechanism for clean-up in case a latch holder ‘dies’ abnormally while holding it. This cleaning up
process would be performed by PMON.
Enqueues are another, more sophisticated, serialization device, used when updating rows in a database
table, fro example. They differ from latches in that they allow the requestor to ‘queue up’ and wait for
the resource. With a latch request, the requestor is told right away whether they got the latch or not.
With an enqueue, the requestor will be blocked until they actually attain it. As such, they are not as fast
as a latch can be, but they do provided functionality over and above that which a latch can offer.
Enqueues may be obtained at various levels, so you can have many ‘share’ locks and locks with various
degrees of ‘shareability’.
Source:Expert Oracle Database Architecture by Thomas Kyte
2.Good PPT at http://nocoug.org/download/2001-05/latches.ppt
3.Good PPT by Mark bobak at http://www.mi-oaug.org/Presentations/Understanding%20Locks%20and%20Enqueues.ppt
HTH
Girish Sharma

What exactly is contained in "Components Level" output of Harmonic distortion Analyzer VI?

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