问答题简答题：为什么说扩频通信起到了频率分集的作用，而交织编码起到了时间分集的作用？RAKE接收属

题型：问答题简答题

Long Lake Camp For Teens

Have fun every minute of every day at Long Lake Summer Camp! Every day is perfect because you can not only enjoy activities but also make new friends.

Long Lake Rock Camp

Our Rock Camp is different from anywhere else. We can offer you all the band lessons. We add a special Rock Guitar this summer. You can practice with your friends every day.

Long Lake Dance Camp

All our wonderful dance camp teachers are returning this summer. We will again offer you all the very best dance camps for modern dance, hip hop, musical theater and more.

Long Lake Music Camp

There is something for every interest, whether you sing or play an instrument. You also can develop your music skills.

Long Lake Film Camp

Long Lake Film Camp offers great film making chances. With our help, you can make your own film. Try it! Most importantly, our video experts share their experience of the art of film making.

Cost: $1000 — $1999

Ages: From 10 to 16

Camp Address: 199 Washington Avenue, Dobbs Ferry , New York 10522

Tel: 800 767 7111

E-mail: marc@longlakecamp.com

小题1:How many kinds of camps are mentioned in this passage?

A．One.

B．Two.

C．Three.

D．Four.小题2:If you want to practise dancing, you can choose ______.

A．Long Lake Rock Camp

B．Long Lake Dance Camp

C．Long Lake Music Camp

D．Long Lake Film Camp小题3:What can you do at Long Lake Film Camp?

A．Watch some famous films.

B．Learn how to make a film.

C．Ask for advice on dancing.

D．Create a special rock band.

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为什么说扩频通信起到了频率分集的作用，而交织编码起到了时间分集的作用？RAKE接收属

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