募捐 9月15日2024 – 10月1日2024
关于筹款
书籍搜索
书
募捐:
32.9% 达到
登录
登录
访问更多功能
个人推荐
Telegram自动程序
下载历史
发送到电子邮件或 Kindle
管理书单
保存到收藏夹
个人的
书籍请求
探索
Z-Recommend
书单
最受欢迎
种类
贡献
捐款
上载
Litera Library
捐赠纸质书籍
添加纸质书籍
Search paper books
我的 LITERA Point
搜索关键词
Main
搜索关键词
search
1
Communications System Laboratory
CRC Press
B. Preetham Kumar (Author)
mobile
frequency
fixed
satellite
signal
allocations
worldwide
aeronautical
mhz
systems
figure
appendix
radiolocation
bands
fcc
terminology
passive
communications
maritime
input
range
bandwidth
amateur
khz
spectrum
output
pulse
astronomy
modulation
us340
carrier
radionavigation
wireless
laboratory
exploration
signals
broadcasting
filter
shown
noise
ghz
amplitude
rate
active
equation
generation
radio
receiver
analog
navigation
年:
2015
语言:
english
文件:
PDF, 13.00 MB
您的标签:
0
/
0
english, 2015
2
Communications System Laboratory
CRC Press
B. Preetham Kumar
mobile
frequency
fixed
satellite
signal
allocations
worldwide
aeronautical
mhz
systems
figure
appendix
radiolocation
bands
fcc
terminology
passive
communications
maritime
input
range
bandwidth
amateur
khz
spectrum
output
pulse
astronomy
modulation
us340
carrier
radionavigation
wireless
laboratory
exploration
signals
broadcasting
filter
shown
noise
ghz
amplitude
rate
active
equation
generation
radio
receiver
analog
navigation
年:
2016
语言:
english
文件:
PDF, 12.58 MB
您的标签:
0
/
0
english, 2016
3
National Academies of Sciences, Engineering, and Medicine. Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses
mhz
satellite
ghz
mobile
frequency
fixed
allocations
spectrum
scientific
stations
astronomy
national
handbook
passive
bands
aeronautical
reserved
active
interference
exploration
allocated
frequencies
radiolocation
surface
wrc
systems
allocation
radionavigation
observations
meteorological
measurements
microwave
galaxies
hdo
operating
subject
geostationary
khz
operations
communications
signal
temperature
sensing
emission
emissions
density
broadcasting
operation
radar
spectral
语言:
english
文件:
PDF, 27.11 MB
您的标签:
0
/
0
english
1
按照
此链接
或在 Telegram 上找到“@BotFather”机器人
2
发送 /newbot 命令
3
为您的聊天机器人指定一个名称
4
为机器人选择一个用户名
5
从 BotFather 复制完整的最后一条消息并将其粘贴到此处
×
×