abbasi_22 2019-01-16 05:15:48
Description: jkkllookkmjnhbgfdcsr fth vbg fff
Plat: PDF | Size: 2115KB | Downloads: 1
郝菲 2019-01-15 16:50:44
Description: The BSP of ZedBoard
Plat: LINUX | Size: 17870KB | Downloads: 0
kmdcdy 2019-01-15 11:01:23
Description: 8. Four transmit four receive v-blast in single-path Rayleigh channel: (1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn. (2) calculate the spectral efficiency of the designed scheme in bit/Hz/s.
Plat: matlab | Size: 435KB | Downloads: 0
kmdcdy 2019-01-15 11:00:37
Description: 7. Two outgoing and one outgoing STBC in single-path Rayleigh channel: (1) analyze the theoretical performance of bit error rate and draw the curve of the relationship between bit SNR and bit error rate. (2) please design a specific navigation-assisted channel estimation method, Simulink simulation, measurement of BPSK modulation error rate performance.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn.
Plat: matlab | Size: 583KB | Downloads: 0
kmdcdy 2019-01-15 10:59:38
Description: 6. In the three-path Rayleigh channel, for OFDM: (1) please design a specific navigation-assisted channel estimation method and use Simulink for simulation.The relation curves of bit signal-noise ratio and channel estimation mean square error and the relation curves of bit signal-noise ratio and bit error rate are drawn. (2) if the frequency has been synchronized, please design a specific method of time synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit-snr and acquisition probability. (3) if time has been synchronized, please design a specific method of frequency synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit signal-to-noise ratio and frequency synchronization error.
Plat: matlab | Size: 311KB | Downloads: 0
kmdcdy 2019-01-15 10:58:23
Description: 5. In three-path Rayleigh channel, for direct sequence spread spectrum: (1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate. (2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve. (3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.
Plat: matlab | Size: 3471KB | Downloads: 1
kmdcdy 2019-01-15 10:53:20
Description: 4. Try to explain the working principle of convolutional codec: (1) Simulink was used to simulate convolutional coding, and Viterbi decoding method was used for decoding. The coding and decoding were all written by oneself (s-function method), rather than calling the existing coding and decoding functions of Simulink. (2) in the additive white gaussian noise channel, please draw the curve of the relationship between bit signal-to-noise ratio and bit error rate.
Plat: matlab | Size: 6904KB | Downloads: 0
kmdcdy 2019-01-15 10:50:36
Description: 3. Modulation demodulation and channel estimation in Rayleigh channel: (1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate. (2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve.
Plat: matlab | Size: 161KB | Downloads: 0
kmdcdy 2019-01-15 10:49:35
Description: 2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.
Plat: matlab | Size: 198KB | Downloads: 1
阿拉贡阳 2019-01-14 15:54:05
Description: The generate of BOC signal AND ITS PDF
Plat: matlab | Size: 60059KB | Downloads: 3
vxxx 2019-01-14 14:24:35
Description: Java develops the proxy end of the interface, connects the SIP client and its SIP server, realizes the SIP message grabbing and presenting, and registers the SIP client.
Plat: Java | Size: 8120KB | Downloads: 0
ajdsdhk 2019-01-13 19:07:36
Description: This program simulates the performance of Alamouti space-time system in Rayleigh channel by analytic form of signal.
Plat: matlab | Size: 1KB | Downloads: 0
yasmine957 2019-01-13 05:08:27
Description: mobile package course sheets
Plat: PPT | Size: 361KB | Downloads: 0
yasmine957 2019-01-13 05:07:38
Description: mobile package course sheet
Plat: PPT | Size: 1393KB | Downloads: 0
yasmine957 2019-01-13 05:05:48
Description: Mobile package course sheets
Plat: PPT | Size: 59KB | Downloads: 0
yasmine957 2019-01-13 05:03:51
Description: Mobile package sheets
Plat: PPT | Size: 29KB | Downloads: 0
yasmine957 2019-01-13 05:02:30
Description: Mobile Package sheets
Plat: PPT | Size: 365KB | Downloads: 0
ckkingkill 2019-01-13 01:57:56
Description: mt4 auto trading by macd
Plat: Java | Size: 26KB | Downloads: 0
淡月黄昏 2019-01-12 11:44:13
Description: Modulation and demodulation of 16QAM signals in Gaussian channel and Rayleigh channel, calculation of bit error rate
Plat: matlab | Size: 1KB | Downloads: 0
wang kale 2019-01-11 22:27:28
Description: Mamul for connecting 840D SL system by OPC
Plat: Visual C++ | Size: 1301KB | Downloads: 0
zht111 2019-01-11 16:51:12
Description: MIMO-OFDM implementation
Plat: Java | Size: 317KB | Downloads: 3
wosth 2019-01-11 16:15:40
Description: Useful password login interface
Plat: Lua | Size: 23KB | Downloads: 2
huafei 2019-01-11 10:46:55
Description: Serial port transceiver to receive data and send data, you can choose hexadecimal or ASCII code to send
Plat: C-C++ | Size: 1716KB | Downloads: 0
华英雄_1 2019-01-11 09:39:50
Description: STM32 + w5500 TCP communication example code
Plat: C-C++ | Size: 603KB | Downloads: 1
moriharuna 2019-01-10 23:26:13
Description: ACS3 Reference Manual or spec sheet
Plat: Others | Size: 2827KB | Downloads: 0
捉泥鳅的猫 2019-01-10 22:29:45
Description: 1. Master the unit digital tube self-adding. 2. Familiar with multi-digit digital tube self-adding.
Plat: C51 | Size: 16KB | Downloads: 0
捉泥鳅的猫 2019-01-10 22:07:58
Description: The wireless channel is modeled with MATLAB and the system performance of correlated modulation signal in wireless channel is simulated and analyzed (taking QPSK modulation signal passing through Rayleigh channel as an example). Rayleigh fading channel.
Plat: matlab | Size: 38KB | Downloads: 0
捉泥鳅的猫 2019-01-10 12:34:45
Description: The basic principle of QAM modulation and demodulation understanding, simulation analysis for modulation and demodulation of QAM MATLAB under the environment of the society (based on 16QAM modulation and demodulation for example).
Plat: matlab | Size: 228KB | Downloads: 0
POSITIVENESS 2019-01-10 12:05:39
Description: MATLAB program for simulating MIMO flat fading channels
Plat: matlab | Size: 3KB | Downloads: 1
戴戴蕾 2019-01-10 08:53:53
Description: OFDM system, SC-FDMA system PAPR
Plat: matlab | Size: 3KB | Downloads: 0
Tags: