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User: Sayali

gravatar for Sayali
Sayali1.6k
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Posts by Sayali

<prev • 3,420 results • page 1 of 342 • next >
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Answer: A: Write short note: Attacks on RSA.
... Three possible approaches to attacking the RSA algorithm are as follows: A. Brute force B. Timing attacks C. Other RSA vulnerabilities A. Brute force attacks: • The first step in cracking the private key is to find the two prime numbers p and q that were multiplied together to produce the modul ...
written 3 days ago by Sayali1.6k
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Answer: A: State and explain the condition for orthogonality of BFSK signal determine its s
... **Binary Frequency Shift Keying (BFSK)** - FSK is treated as non-linear modulation since information is put into the frequency. **Time domain representation:** The transmitted signal can be represented as: $$s_i(t)=\bigg\{^{\sqrt{\dfrac{2T_b}{T_b}}\cos(2 \pi f_il), 0<1\le T_b} _{0,\hspace{2cm ...
written 17 months ago by Sayali1.6k
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State and explain the condition for orthogonality of BFSK signal determine its spectrum and hence bandwidth requirement for transmission of signal.
... **Mumbai University > Electronics and Telecommunication Engineering > Sem 6 > Data Communication** **Marks:** 10 Marks **Year:** Dec 2016 ...
mumbai university data communication written 17 months ago by Sayali1.6k
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Answer: A: State and explain maximum likelihood decision rule.Explain the function of corre
... **THE OPTIMUM DETECTOR** Our goal is to design a signal detector that makes a decision on the transmitted signal in each signal interval based on the observation of the vector r in each interval such that the probability of a correct decision is maximized. We assume that there is no memory in sign ...
written 17 months ago by Sayali1.6k
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State and explain maximum likelihood decision rule.Explain the function of correlator receiver.
... **Mumbai University > Electronics and Telecommunication Engineering > Sem 6 > Data Communication** **Marks:** 10 Marks **Year:** Dec 2016 ...
mumbai university data communication written 17 months ago by Sayali1.6k
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Answer: A: Explain the meaning of equalizer.How is equalization achieved.with the help of n
... **TAPPED DELAY-LINE EQUALIZATION** - In theory, if the channel response is precisely known, it is virtually possible to make the ISI very small by using suitable transmit and receive filters. - In practice, the channel response is not exactly known. Therefore, the channel effects which creates ISI ...
written 17 months ago by Sayali1.6k
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Explain the meaning of equalizer.How is equalization achieved.with the help of neat block diagram explain tapped delay line equalizer.
... **Mumbai University > Electronics and Telecommunication Engineering > Sem 6 > Data Communication** **Marks:** 10 Marks **Year:** Dec 2016 ...
mumbai university data communication written 17 months ago by Sayali1.6k
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Answer: A: Write short note on optimal filter
... Optimal filtering in Signal Processing **Wiener Filter: Nobert Wiener (MIT) 1940s:** Model Y = S + W, S is signal W is noise. Widely used in LMMSE detection. **Kalman Filter:** (1960s) Model S and N in time domain (state space models). The Kalman filter is probably the single most used algorith ...
written 17 months ago by Sayali1.6k
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Write short note on optimal filter
... **Mumbai University > Electronics and Telecommunication Engineering > Sem 6 > Data Communication** **Marks:** 5 Marks **Year:** Dec 2016 ...
mumbai university data communication written 17 months ago by Sayali1.6k
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Answer: A: Explain QPSK is better than PSK
... **Advantages of QPSK** 1. BPSK scheme are having less probability of error but requires large bandwidth. 2. It is possible to compress bandwidth required without increasing probability of error . This is achieved by generating mor number of symbol by combining few successive bits. ...
written 17 months ago by Sayali1.6k

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