Signals and systems are very important courses in some of the engineering programs. Engineering students do not only study one subject related to it but they are offered many subjects and difficulty levels increased after every semester.

The next course is more difficult than the previous one.

The issue is that one subject is the prerequisite of the other. If you cannot be able to perform well in one subject then the whole course will be affected.

These courses are offered because there are many applications in practical life. If students will not study these courses then they will not perform well when to go for jobs or other practical life problems.

They are used in speech recognition, image processing, audio coding, and also video coding. You can see that we receive many signals from space every day. These signals are decoded to see that what is happening in outer space.

The sounds that are received from space cannot be understood by human beings. Different operations are applied to them to make them easier to understand.

So, you also cannot neglect the importance of this course. Let’s discuss it in detail.

How Hard are Signals and Systems?

signal and systems

Signal and system is a hard course and also cause the failure of students. The simple answer is that it is as much tough that you can get an F grade in an exam and there are also chances that if you improve the course and gain cannot get a good grade.

This is because of its different concepts and you need different techniques to solve the questions of this course. We study probability, convolution, time signals, discrete and continuous-time signals, and many complex formulas are applied to solve them. Knowledge of limits and graphs are also applied in it.

You also need to know MATLAB for making graphs and analyzing different signals. The concepts like Fourier series and z transforms are also applied in it which has different methods and tough formulas.

In our class electrical engineering, there was about 20% of students failed the course and they cannot able to register for the subject in the next semester. Some students earned C and D grades in it. This thing clear the toughness of the course.

In this course, if you have one example and apply the specific condition to it to solve the problem then in the next example the different conditions will be applied. So, you cannot do it by only learning them.

When the question comes into the exam many conditions will mix in your mind and you will not able to analyze the answer of the question and your question will be wrong.

The major reason is that students only learn theory. Theory cannot explain all the things to us. Just like electric circuits subject. This subject describes to us that from where the current starts from the circuit and where it ends. Different sources are also analyzed which are applied for the completion of the circuit.

The experiments with power, resistance, and voltage sources are done in these courses. So, this course needs a lot of practical things. Many universities offer electric circuit labs for a better understanding of the subject. It is also an important thing because only learning some formulas without knowing anything will not be helpful to you.

Same in the case of signal and systems no practical work is offered by most of the universities. Students only learn things they do not able to perform the things. So, they cannot able to develop that level of thinking.

The student should be taught practically how the signal is passing and which formula will be applied under the specific condition and applying the formula to find the specific value. This thing can make everything easy for students.

The other thing that causes the failure of students is not practicing or learning all the conditions. There will be a specific table given in the book which will tell you that if a question will come in a specific manner then you can apply the formula.

In this way after doing practical work on how signals are being processed or converted into different forms and learning all the formulas which are applied to them by practicing everything will be clear to you.

Some students need a lot of practice to pass this course but after giving a little time they think that this is enough for them to get good marks.

Every person has a different type of mind. Some can pick the explained things easily and some take time to understand it. As this course is new for most people then investing low time in it can cause problems.

I hope you can understand things. If you have any questions related to it then you can comment below.

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