Answer / mostafa kamal

A way of encoding data in a communications channel that
adds redundancy bits into the transmission path to obtain
lower error rate. Such methods are widely used in wireless
communications. See convolutional code and Viterbi decoder.

1.Explain 3D radar. 2.Method of mobile signal jamming. 3.Frequency hopping spread spectrum. 4.How does op-amp works in common mode? 5.Which flip flop is known as universal flip flop and why?

0 Answers   BEL,

---

Define noise in modulation?

0 Answers  

---

Explain why is an excess-3 code is called an unweighted code?

0 Answers  

---

what is a static variable...wht is the size when u give sizeof(struct)

0 Answers   Tech Mahindra,

---

iam working as field engineer since 3 years so what is the appropriate answer for changing company i'e., why do u want to change ur present company

1 Answers  

---

Explain the importance of if in radio receiver?

0 Answers  

---

What is a bcd? What are its advantages and disadvantages?

0 Answers  

---

what is microprocessor and microcontroller

4 Answers  

---

What types of inverters require feedback diodes?

0 Answers  

---

what are the basic courses can be done for ece branch?

0 Answers  

---

which type of code is human code?

7 Answers   HCL, Wipro,

---

How to design binary to gray code converter?

0 Answers  

---