仙农的限带、限功率高斯信道的容量表示式的单位是bit/符号。
查看答案
当带宽趋于无穷大时,高斯信道的容量也趋于无穷大。
A. 对
B. 错
倍乘性表明,对任一信道,其n阶容量代价函数都是一阶容量代价函数的n倍。
A. 对
B. 错
Which of the following statements is correct?__________________
A. Both a competitive firm and a monopolist are price takers.
Both a competitive firm and a monopolist are price makers.
C. A competitive firm is a price taker, whereas a monopolist is a price maker.
D. A competitive firm is a price maker, whereas a monopolist is a price taker.
A benefit to society of the patent and copyright laws is that those laws__________________
A. help to keep prices down.
B. help to prevent a single firm from acquiring ownership of a key resource.
C. encourage creative activity.
D. discourage the production of inefficient products.