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Adobe Experience Manager - Create an OSGI Configuration

 In this article, let's create an OSGi configuration, configure it and use it in AEM code. So now let's get started with the creation of an OSGi configuration. Technical details and Assumptions: All the following details are tested in AEM version 6.5.8, Java version 11.0.2 Creation of OSGi configuration: To create an OSGi configuration we need to create an ObjectClassDefinition. I have included a sample OCD configuration, which can be used as a reference to create one. The next step would be to create an interface and an implementation that can help fetch the OSGi configurations.  Interface: Implementation: Let's try to use the OSGi configuration created so far in Models/Servlets. For demonstration purposes, I used AEM Models here, but the same can be implemented in Servlets too. Now that we have created the OSGi configuration. Once building the code, we should be able to see the OSGi configuration in the web console (http://localhost:4502/system/console/configMgr) C...
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Digital Signal Processing

Some Answers to Important Questions for the Model exam on 6.10.2017
SET A & B:
12) Solve for the Z-transform and also ROC using the properties of Z-transform for the following sequence. 
 
Also sketch the pole – zero plot.


Answer:https://goo.gl/8wPFiQ 
Page Number: 20
SET A:
16)The specification of desired low pass filter is
0.9 ≤ |H(w)|≤ 1    for   0≤ w≤ 0.25Π   and       |H(w)|≤ 0.24   for 0.35Π ≤ w ≤ Π
Develop digital Chebyshev filter using impulse invariant technique. 
This is a sample model Answer Since the Exact answer is not found.
Answer: https://goo.gl/DmtwD6
Page Number: 41

SET B:
16)Model a digital butterworth filter satisfying the constrains 0.707 ≤ |H(w)|≤ 1 for  0≤w≤Π/2  and |H(w)| ≤ 0.2 for 3Π/4 ≤ w ≤ Π  with T=1 sec using impulse invariant technique. 

Answer: https://goo.gl/DmtwD6 
Page Number: 33 

17)Using frequency sampling method, develop band pass filter with the following specifications sampling frequency F =8000 Hz, Cutoff frequencies fc1=1000 Hz , fc2= 3000 Hz. Determine the filter coefficients for N=7.

Answer: https://goo.gl/XnfuiH                                         
Page Number: 54

20)(ii)Given 
 is the transfer function of a digital filter, identify the scaling factor S0 to avoid overflow in adder of the digital filter.

Answer: https://goo.gl/UzjtDh
Page Number: 25

All The Best For the exam and stay tuned will be updating as soon as our team gets answers to the questions


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