怎样计算Ka 和Kd？ - 未名空间MITBBS历史存档

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怎样计算Ka 和Kd？

怎样计算Ka 和Kd？# Biology - 生物学

l*y2010-06-30 07:06

1 楼

【以下文字转载自 LeisureTime 讨论区】
发信人: ldy (大才001), 信区: LeisureTime
标题: 本人新创作的歌曲：《是你的也是我的》，请大家欣赏
发信站: BBS 未名空间站 (Sat Feb 7 20:36:51 2015, 美东)
http://www.youtube.com/watch?v=E4bxuGP-Unk

d*f2010-06-30 07:06

2 楼

上场还要粉丝要硬凹，贯中立刻甩了粉丝两个大耳光，这个返场演出的水平简直比路边
卡拉ok都不如

z*r2010-06-30 07:06

3 楼

A total of 38 cities in the United States will make up the first crop of LTE
-enabled networks, as well as 60 airports across the country.
At a press conference today, Verizon Wireless promised the network will offe
r speeds between 5-12 Mbps downlink and 2-5 Mbps uplink, which echoes the fi
gures it gave back in March. In promotions for its Boston LTE field tests in
May, Verizon showed a real-world system delivering 8.55 Mbps downlink speed
s and 2.80 Mbps uplink.
The first hardware to support the LTE network will be two USB modems priced
at $99 after contracts and rebates. Verizon said there won't be LTE handsets
until mid-2011, despite the fact that there is currently a CDMA/LTE handset
from Samsung available now in the United States through MetroPCS.
As for data plans, Verizon Wireless will start at $50 per month for 5GB of d
ata, and $80 per month for 10GB. Interestingly, this is actually cheaper tha
n Verizon's current 3G USB Modem plans, which cost $39.99 for 250MB per mont
h, and $59.99 for 5GB per month. We've sent an inquiry to Verizon Wireless t
oday to see if 3G plans will be adjusted as the LTE rollout continues.
http://www.betanews.com/article/Verizons-4G-LTE-network-launches-Dec-5-with-plans-cheaper-than-3G/1291229247

g*42010-06-30 07:06

4 楼

从采集数据开始到完成计算，再加上理论推导，把人搞糊涂了，有人以实例来开导一下
吗？谢谢！

i*y2010-06-30 07:06

5 楼

人家娶的紫霞仙子，能不nb？

【在 d********f 的大作中提到】

: 上场还要粉丝要硬凹，贯中立刻甩了粉丝两个大耳光，这个返场演出的水平简直比路边
: 卡拉ok都不如

z*r2010-06-30 07:06

6 楼

不爽呀，里面说4G手机得等到年中。看来这批双核手机还是3G的

LTE
offe
fi
in
speed
priced
handsets
handset

【在 z**r 的大作中提到】

: A total of 38 cities in the United States will make up the first crop of LTE
: -enabled networks, as well as 60 airports across the country.
: At a press conference today, Verizon Wireless promised the network will offe
: r speeds between 5-12 Mbps downlink and 2-5 Mbps uplink, which echoes the fi
: gures it gave back in March. In promotions for its Boston LTE field tests in
: May, Verizon showed a real-world system delivering 8.55 Mbps downlink speed
: s and 2.80 Mbps uplink.
: The first hardware to support the LTE network will be two USB modems priced
: at $99 after contracts and rebates. Verizon said there won't be LTE handsets
: until mid-2011, despite the fact that there is currently a CDMA/LTE handset