-
The family of recent wireless standards included the optional employment of MIMO tyechniques.
This was motivated by the observation according to the classic Shannon-Hartley law the achiev-
able channel capacity increases logarithmically with the transmit power. By contrast, the MIMO
capacity increases linearly with the number of transmit antennas, provided that the number of
receive antennas is equal to the number of transmit antennas.
標(biāo)簽：
Simulation
Modeling
Network
and
上傳時間：
2020-05-31
上傳用戶：shancjb
-
transmit power in wireless cellular networks is a key degree of freedom
in the management of interference, energy, and connectivity. Power
control in both uplink and downlink of a cellular network has been
extensively studied, especially over the last 15 years, and some of the
results have enabled the continuous evolution and significant impact of
the digital cellular technology.
標(biāo)簽：
Cellular
Networks
Wireless
Control
Power
in
上傳時間：
2020-05-31
上傳用戶：shancjb
-
A wireless communication network can be viewed as a collection of nodes, located in some domain, which
can in turn be transmitters or receivers (depending on the network considered, nodes may be mobile users,
base stations in a cellular network, access points of a WiFi mesh etc.). At a given time, several nodes
transmit simultaneously, each toward its own receiver. Each transmitter–receiver pair requires its own
wireless link. The signal received from the link transmitter may be jammed by the signals received from
the other transmitters. Even in the simplest model where the signal power radiated from a point decays in
an isotropic way with Euclidean distance, the geometry of the locations of the nodes plays a key role since
it determines the signal to interference and noise ratio (SINR) at each receiver and hence the possibility of
establishing simultaneously this collection of links at a given bit rate. The interference seen by a receiver is
the sum of the signal powers received from all transmitters, except its own transmitter.
標(biāo)簽：
Stochastic
Geometry
Networks
Wireless
Volume
and
II
上傳時間：
2020-06-01
上傳用戶：shancjb
-
A mobile ad-hoc network (MANET) is formed by multiple moving nodes
equipped with wireless transceivers. The mobile nodes communicate with
each other through multi-hop wireless links, where every node can transmit
and receive information. Mobile ad-hoc networks have become increasingly
important in areas where deployment of communications infrastructure is
difficult.
標(biāo)簽：
Telecommunications
Modeling
上傳時間：
2020-06-01
上傳用戶：shancjb
-
The focus of this book is on developing computational algorithms for transmit wave-
form design in active sensing applications, such as radar, sonar, communications and
medical imaging. Waveforms are designed to achieve certain desired properties, which
are divided into three categories corresponding to the three main parts in the book,
namely good aperiodic correlations, good periodic correlations and beampattern match-
ing.
標(biāo)簽：
Waveform
Desig
上傳時間：
2020-06-01
上傳用戶：shancjb
-
Modern power systems involve large amount of investment. An electric power
system comprises of generation, transmission, and distribution of electric energy.
Growth of power systems has led to very complex networks extended across large
areas. In such situations, the proper functioning of a modern power system is
heavily dependent upon the healthy operation of the transmission lines within it.
Transmission lines are used to transmit a huge amount of power over a long
distance. But as these lines are located in the open atmosphere, they are highly
affected by different types of abnormal conditions or faults.
標(biāo)簽：
Transmission
Protection
Line
上傳時間：
2020-06-07
上傳用戶：shancjb
-
spi 通信的master部分使用的verilog語言實(shí)現(xiàn)，可以做為你的設(shè)計(jì)參考。module spi_master(rstb,clk,mlb,start,tdat,cdiv,din, ss,sck,dout,done,rdata); input rstb,clk,mlb,start; input [7:0] tdat; //transmit data input [1:0] cdiv; //clock divider input din; output reg ss; output reg sck; output reg dout; output reg done; output reg [7:0] rdata; //received dataparameter idle=2'b00; parameter send=2'b10; parameter finish=2'b11; reg [1:0] cur,nxt; reg [7:0] treg,rreg; reg [3:0] nbit; reg [4:0] mid,cnt; reg shift,clr;
標(biāo)簽：
spi
通信
master
verilog
上傳時間：
2022-02-03
上傳用戶：
-
隨著科技發(fā)展及工業(yè)4.0 進(jìn)程推進(jìn),機(jī)械臂應(yīng)用范圍越來越廣,并演化出各種各樣的機(jī)械臂,如碼垛機(jī)械臂、焊接機(jī)械臂、裝配機(jī)械臂以及手術(shù)機(jī)械臂等?，F(xiàn)利用solidworks 進(jìn)行三維建模,設(shè)計(jì)制作一款基于stm32f103c8t6 單片機(jī)的主從式桌面級機(jī)械臂,該機(jī)械臂包括一個主動機(jī)械臂和一個從動機(jī)械臂,采用藍(lán)牙傳輸信號方式進(jìn)行同步運(yùn)動,并且詳細(xì)介紹了該機(jī)械臂材料選擇、結(jié)構(gòu)設(shè)計(jì)、工作原理、組成部分和設(shè)計(jì)特點(diǎn)。With the development of science and technology and the advancement of Industry 4.0, the application range of the mechanical arm has become wider and wider, and various types of mechanical arms, such as palletizing robot arms, welding robot arms, assembly robot arms, and surgical robot arms, have been developed. Now using solidworks for 3D modeling, design and manufacture a master-slave desktop-level robot arm based on stm32f103c8t6 single-chip microcomputer. The robot arm includes an active robot arm and a slave robot arm, which uses Bluetooth to transmit signals for synchronous motion. The material selection, structural design, working principle, components and design features of the manipulator are introduced.
標(biāo)簽：
stm32f103c8t6
單片機(jī)
上傳時間：
2022-03-27
上傳用戶：
-
說明： STM8S單片機(jī)驅(qū)動CC1101 433無線模塊 實(shí)現(xiàn)發(fā)送數(shù)據(jù)和接收數(shù)據(jù)。(STM8S single-chip microcomputer drives CC1101 433 wireless module to transmit data and receive data)
標(biāo)簽：
stm8s
單片機(jī)
驅(qū)動
上傳時間：
2022-05-16
上傳用戶：
