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源码 matlab神经网络算法通信信号调制识别
%========================开始提取加噪信号的各类特征值================================
for n=1:1:50;
    m=n*Ns;
    x=(n-1)*Ns;
for i=x+1:m;          %提取加噪信号'signal_with_noise=y+noise'的前256个元素，抽取50次
    y0(i)=signal_with_noise(i); ...
源码 matlab神经网络算法通信信号调制识别y
%========================开始提取加噪信号的各类特征值================================
for n=1:1:50;
    m=n*Ns;
    x=(n-1)*Ns;
for i=x+1:m;          %提取加噪信号'signal_with_noise=y+noise'的前256个元素，抽取50次
    y0(i)=signal_with_noise(i); ...
书籍 Communications+Receivers
The capability of radio waves to provide almost instantaneous distant communications
without interconnecting wires was a major factor in the explosive growth of communica-
tions during the 20th century. With the dawn of the 21st century, the future for communi-
cations systems seems limitless. The i ...
书籍 Digitally+Assisted+Pipeline+ADCs
The continued reduction of integrated circuit feature sizes and
commensurate improvements in device performance are fueling the progress
to higher functionality and new application areas. For example, over the last
15 years, the performance of microprocessors has increased 1000 times.
Analog circuit ...
书籍 Mobile+Channel+Characteristics
At the macroscopic level of system layout, the most important issue is path loss. In the
older mobile radio systems that are limited by receiver noise, path loss determines SNR and
the maximum coverage area. In cellular systems, where the limiting factor is cochannel
interference, path loss determin ...
书籍 Queueing Theory with Packet Telecommunication
Soon after Samuel Morse’s telegraphing device led to a deployed electri-
cal telecommunications system in 1843, waiting lines began to form by those
wanting to use the system. At this writing queueing is still a significant factor in
designing and operating communications services, whether they are ...
书籍 Thermal+Management+of+Telecommunications+Equipment
The need to develop reliable microelectronic devices capable of operating at high
speeds with complex functionality requires a better understanding of the factors
that govern the thermal performance of electronics. With an increased demand
on system reliability and performance combined with miniatur ...
书籍 ESD Program Management
Electrostatic discharge  (ESD)  events  can  have serious detrimental
effects  on  the manufacture  and  performance of microelectronic devices,
the systems that contain them,  and  the manufacturing facilities used  to
produce them. Submicron d ...
书籍 Basic ESD Design Guidelines
ESD is a crucial factor for integrated circuits and influences their quality and reliability.
Today increasingly sensitive processes with deep sub micron structures are developed. The
integration of more and more functionality on a single chip and saving of chip area is
required. Integrated circuits ...
书籍 Fundamentals+of+EM+Design+of+Radar
In the present era, low observability is one of the critical requirements in aerospace
sector, especially related to defense. The stealth technology essentially relates to
shaping and usage of radar absorbing materials (RAM) or radar absorbing struc-
tures (RAS). The performance of such radar cross ...