Introduction Matlab is an ideal tool for simulating digital communications systems, thanks to its easy scripting language and excellent data visualization capabilities. One of the most frequent simulation tasks in the field of digital communications is bit-error- rate testing of modems. The bit-error-rate performance of a receiver is a figure of merit that allows different designs to be compared in a fair manner. Performing bit-error-rate testing withMatlab is very simple, but does require some prerequisite knowledge.
標簽： communications Introduction simulating digital
上傳時間： 2017-03-20
上傳用戶：as275944189
We simulate uncoded BER of BPSK modulated data as a function of SNR -in an AWGN channel -in a Rayleigh fading channel -in an AWGN channel when direct sequence spreading is used and compare results to the theoretical ones. We assume coherent receiver and perfect synchronization.
標簽： modulated simulate function channel
上傳時間： 2014-01-11
上傳用戶：1109003457
A combined space鈥搕ime block coding (STBC) and eigen-space tracking (EST) scheme in multiple-input-multiple-output systems is proposed. It is proved that the STBC-EST is capable of shifting hardware complexity from the receiver to the transmitter without any bit error rate (BER) performance loss. A computation efficient EST algorithm is also proposed, which makes the STBC-EST affordable. Simulation results show that the STBC-EST with a modest feedback requirement results in a negligible BER performance loss compared with a dual system configuration.
標簽： multiple-input-m eigen-space combined tracking
上傳時間： 2014-01-13
上傳用戶：磊子226
The use of hardware description languages (HDLs) is becoming increasingly common for designing and verifying FPGA designs. Behavior level description not only increases design productivity, but also provides unique advantages for design verification. The most dominant HDLs today are Verilog and VHDL. This application note illustrates the use of Verilog in the design and verification of a digital UART (Universal Asynchronous Receiver & Transmitter).
標簽： increasingly description designing languages
上傳時間： 2014-01-08
上傳用戶：小草123
GNSS_SDR是一套不可多得的matlab代碼。它給出了接收機每一部分的子函數(shù)，編程效率高，可讀性強。此外，A soft-defined GPS and Galileo Receiver系統(tǒng)的介紹了整個接收機的原理，并針對程序給出說明，通俗易懂。
上傳時間： 2017-05-07
上傳用戶：宋桃子
This file is distributed in the hope that it will be useful, but WITHOUT WARRANTY OF ANY KIND. Author(s): Ole Saether DESCRIPTION: This example should be used together with ex2a-tx433.asm. One nRF9E5 evaluation board (receiver) should be programmed with the hex-file generated from assembling this file and the other evaluation board (transmitter) programmed with the hex-file generated from assembling ex2a-tx433.asm. All switches on the DIP-swith S206 on the receiver must be set to the "on" position and all switches on the DIP-swith S205 on the transmitter must be set to the "on" position. When one of the switched SW1-SW4 on the transmitter is pressed the corresponding LED on the receiver is turned on. The functionality is the same as in ex2c-rx.c.
標簽： distributed WARRANTY WITHOUT useful
上傳時間： 2017-05-17
上傳用戶：xieguodong1234
TIME HOPPING SPREAD SPECTRUM SIGNALS (ULTRA WIDE BAND SIGNALS) - UWB SIGNAL DESCRIPTION - THE UWB TRANSMITTER - THE UWB RECEIVER
標簽： SIGNALS DESCRIPTION UWB SPECTRUM
上傳時間： 2014-01-06
上傳用戶：duoshen1989
m序列的生成器，rake接受，簡單易用，希望對大家有幫助。。。
上傳時間： 2017-06-06
上傳用戶：xlcky
These files in Matlab implement a conventional DS -CDMA detector using QPSK modulation and matched filters in the receiver.
標簽： conventional modulation implement detector
上傳時間： 2017-06-22
上傳用戶：ruan2570406
The Open Radar Data Acquisition (ORDA) subsystem replaces the current WSR-88D Radar Data Acquisition subsystem with improved receiver and signal processing hardware and with improved user interface, signal processing and diagnostics software. This paper will discuss the input data from the digital receiver, the ORDA signal processing, and the data output from the ORDA hardware. Specifications of the ORDA digital receiver will be presented. The paper outlines the critical radar signal processing flow and provides analysis of new spectrum width computations and clutter filtering schemes used in the ORDA system. Where appropriate, ORDA performance enhancements, data quality improvements and reliability and maintenance improvements will be highlighted.
標簽： Radar Data Acquisition Acquisiti
上傳時間： 2017-08-25
上傳用戶：leixinzhuo
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