Recommendation for Mr. Yi
Dear Sir or Madam:
The purpose of this letter is to recommend Mr. Yi, a worthy
candidate for admission to your graduate program.
Mr. Yi have ever took my course "Introduction to Control".
I was deeply impressed with him not only the good score
"A" he got in the class but also the highly active and
devout attitude he learn Control Theory. Sometimes, he came to my
office to ask me some interesting questions about the Control and
System theories not mensioned in the autobiology of my class and to
discuss the development and application of control theory in Science
and Industry. with me. He imagined this theory is truly an amazing
subject. If people understand and use it very well, this world will
get better. "Well!" I thought, " This young man is
really like Control."
Then he took part in my research "Design of Sinusoidal
Oscillators Using the Theory of Variable Structure Systems"
(published in the Int. J. of Electronics, 1992, Vol. 72, No. 1) to
design the oscillator circuits. From simulating the circuits he
designed with PSPICE to assembling the electronic elements. he shown
me
the enthusiam and hardily spirit in his work. When getting a new
idea or finding some questions, he always shared his opinion about
how to overcome the error or improve the experiment results to me.
After try-and-error and ameliorating the circuit many times, we
finally got a refined but good-performance oscillator.
Mr. Yi also got admirable grades in a couple of courses of control
and systems, I truly believe he has strong learning capability and
enthusism in this field. So I no doubt that he will become a good
student in your esteemed departmant. Should you need any further
information about Mr. Yi, please do not hesitate contact me.
Sincerely Yours,
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