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Description: This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. -This is a model of a QPSK modulation system f or transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC
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Size: 15826 |
Author: xiaoying |
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Description: This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. -This is a model of a QPSK modulation system f or transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC
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Size: 15360 |
Author: xiaoying |
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Description: qam的matlab程序。m文件，非simulink。各个模块比较全面，希望有所帮助-qam matlab
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Size: 17408 |
Author: Carlin |
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Description: QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.
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Size: 15360 |
Author: ranbowang |
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Description: caclulating BER with 4 PAM mapping, srrc pulse shaping
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Size: 2048 |
Author: HyehyunLee |
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Description: 对基带数字通信的位同步过程进行了仿真，采用Gardner算法，没有用插值。符号用SRRC进行脉冲成形，环路滤波器没有用PI回路，是简单的alfa，1-alfa低通滤波，NCO调整也比较简单。-Baseband digital communications for the bit synchronization process of the simulation, using Gardner algorithm, did not use interpolation. Carried out with SRRC pulse shaping symbols, did not use PI loop filter circuit is a simple alfa ,1-alfa low-pass filter, NCO is also relatively simple to adjust.
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Size: 1024 |
Author: 鲁信 |
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Description: Computing the frequency response of SRRC filter
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Size: 1024 |
Author: Lee |
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Description: At SRRC, a precision output current monitoring
system is installed to monitor the output performance of
all the booster/storage ring power supplies. Accurate DC
current transformers (DCCTs) are attached to the output
terminal of every power supply system. Each
transformer’ s gain/offset are carefully calibrated against
high precision current source and approximated using
high-order polynomial curve fitting. The output of each
DCCT is connected to multi-channels data logger for realtime
data collection, the collected data are calibrated
using the interpolated DCCT gain/offset value. A PC
station is set up to serve as host to store the current output
for real-time monitoring. This monitoring system provide
a precise real-time database for rapid fault diagnosing
whenever there is malfunction of the beam operation
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Size: 517120 |
Author: john hice |
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Description: qpsk+srrc+complex noise
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Size: 1024 |
Author: ramu |
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Description: 这是基于国标DMB_TH中发端升余弦滚降滤波器中FPGA实现，包括滤波器的理论，DA算法和多相分布算法-This is based on GB DMB_TH the originator Raised Cosine Filter in FPGA, including the filter theory, DA algorithm and multi-phase distribution algorithm
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Size: 1388544 |
Author: 庄敏敏 |
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Description: BPSK code in Matlab with Pulse Shaping (SRRC) and Channel Noise (AWGN)
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Size: 1024 |
Author: BBBB |
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Description: Pulse shaping code for Matlab. This module use a square root raised cosine (SRRC) pulse.
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Size: 1024 |
Author: jguiu |
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Description: 用matlab仿真4FSK调制 包括一个SRRC滤波器 一个3级CIC滤波器-realize 4FSK modulation
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Size: 427008 |
Author: 华惟哲 |
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Description: srrc根升余弦滤波及匹配滤波的仿真程序-srrc filter and matched filter
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Size: 1024 |
Author: David |
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Description: This a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.
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Size: 41984 |
Author: Romarco |
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Description: wireless by srrc filter for 4 G and 5g
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Size: 46080 |
Author: imad |
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Description: SRRC_FIR-master for ofdm
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Size: 175104 |
Author: sunset
|
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Description: n signal processing, a root-raised-cosine filter (RRC), sometimes known as square-root-raised-cosine filter (SRRC), is frequently used as the transmit and receive filter in a digital communication system to perform matched filtering. This helps in minimizing intersymbol interference (ISI). The combined response of two such filters is that of the raised-cosine filter. It obtains its name from the fact that its frequency respons
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Size: 481124 |
Author: hamid.sadeghi87 |
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