it was decided to add five additional channels, ( 6 f , 7 f , 8 f , 9 f , 10 f ) while keeping the frequency hopping sequence to five bands. Is it advisable to maintain frequency hopping within each of the channels ( 1 f , 2 f , 3 f , 4 f , 5 f ) and ( 6 f , 7 f , 8 f , 9 f , 10 f ), or it is better to select five channels among the bands ( 1 f , 2 f , 3 f , 4 f , 5 f , 6 f , 7 f , 8 f , 9 f , 10 f )? Explain your answer with some quantitative measures.
In a hypothetical wireless system, five adjacent frequency bands
(1f ,2f 3f ,4f ,5f) are allowed for frequency hopping sequences. Enumerate how many differenthopping sequences are possible and prove their correctness.
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The major increase in global production of meat from cattle and milk reflects increases in what three production systems?
What will be an ideal response?
If a customer is not attentive during a conversation, what can be done to regain the customer's attention?
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For the circuit in Fig. 8.100, let I = 9A, R? = 40 ?, R? = 20 ?, C = 10 mF, R? = 50 ?, and L = 20 mH. Determine: (a) i(0+) and v(0+), (b) di(0+)/dt and dv(0+)/dt, (c) i(?) and v(?).
 FIGURE 1.png)