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[VHDL-FPGA-Verilog] modulation

Description: 基于FPGA的调制，实现了QPSK调制，所用芯片为Artera的CycloneIIEp2C5T114C8-FPGA-based modulation, realize the QPSK modulation, the chip used for Artera
Platform: | Size: 1024 | Author: liqijun | Hits:

[Software Engineering] QPSK

Description: 该文介绍了各种信息技术中信息的传输及通信起着支撑作用,而对于信息的传输,数字通信 已成为重要手段。该文根据当今现代通信技术的发展,对QPSK信号的调制解调问题进行了分析, 并给出了用美国ELANIX公司的动态系统设计、仿真和分析软件System View 进行系统仿真的具体 设置,分析了仿真结果,并提出了用FPGA 技术实现这种系统的详细方法。-This paper introduces a variety of information technology in information transmission and communication plays a supporting role, and for information transmission, digital communication has become an important tool. In this paper, according to today s modern communications technology, for QPSK modulation and demodulation signals are analyzed, and gives the U.S. company s Dynamic Systems Elanix design, simulation and analysis software for System Simulation System View the specific settings, an analysis of simulation results, and made use of FPGA technology to achieve the detailed methodology for such systems.
Platform: | Size: 379904 | Author: 子羽 | Hits:

[VHDL-FPGA-Verilog] PL_MPSK

Description: 基于VHDL硬件描述语言，对基带信号进行MPSK调制（这里M=4）,即QPSK调制-VHDL hardware description language based on the base-band signal MPSK modulation (here M = 4), namely, QPSK modulation
Platform: | Size: 1024 | Author: 王勇 | Hits:

[Communication-Mobile] FPGA_QPSK

Description: 本文件是基于FPGA的QPSK调制解调性能仿真-This document is based on the FPGA-QPSK modulation and demodulation performance simulation
Platform: | Size: 204800 | Author: lily | Hits:

[Other] QPSK

Description: 基于FPGA的QPSK调制解调的技术实现PDF论文.-FPGA-based QPSK modulation and demodulation technology realize PDF papers.
Platform: | Size: 122880 | Author: | Hits:

[Books] 111

Description: 基于FPGA的QPSK信号源的设计与实现-FPGA based QPSK Signal Generator Design and Implementation. PDF
Platform: | Size: 379904 | Author: 秦雄华 | Hits:

[VHDL-FPGA-Verilog] FPGAQPSK

Description: 文中介绍了QPSK调制解调的原理，并基于FPGA实现了QPSK调制解调电路。MAX+PLUSII环境下的仿真结果表明了该设计的正确性。 -In this paper, the principle of QPSK modulation and demodulation, and a FPGA-based QPSK modulation and demodulation circuit. MAX+ PLUSII environment simulation results show the correctness of the design.
Platform: | Size: 40960 | Author: 杨杨 | Hits:

[3G develop] costas_carrier_recover

Description: 基于硬件定点的完整的costas载波恢复环设计，FPGA设计可以用之参考。包括输入QPSK信号，16倍符号率采样，初始频差2.4KHz，以及低通滤波器的设计等待。最重要的是有本人的注释，易于上手。-Hardware-based fixed-point of complete costas carrier recovery loop design, FPGA reference design can be used. Including input QPSK signal, 16 times the symbol rate sampling, the initial frequency difference 2.4KHz, and the design of low-pass filter to wait. The most important thing is to have my notes, easy to fly.
Platform: | Size: 2048 | Author: luoshuwen | Hits:

[Software Engineering] QPSK

Description: QPSK调制器的FPGA实现，提出了一种基于FPGA实现QPSK的方法-QPSK Modulator FPGA, presents a FPGA-based QPSK method of achieving
Platform: | Size: 238592 | Author: shyxp | Hits:

[Other] bs

Description: 基于FPGA的ASK，FSK，PSK及QPSK的调制与解调，并做成了系统-FPGA-based ASK, FSK, PSK and QPSK modulation and demodulation, and made the system
Platform: | Size: 353280 | Author: 张启富 | Hits:

[VHDL-FPGA-Verilog] FPGA_QPSK

Description: 基于FPGA的QPSK调制解调器的设计，很不错！-FPGA-based QPSK modem design, very good!
Platform: | Size: 1214464 | Author: 张大龙 | Hits:

[VHDL-FPGA-Verilog] Costas

Description: 介 绍 了 某 直 接 序 列 扩 频 、QPSK 调 制 系 统 接 收 通 道 中 四 相 Costas 载 波 跟 踪 环 的 原 理 及 其 基 于 DSP+FPGA 的 实 现-Introduced a direct-sequence spread spectrum, QPSK modulation system, receive path Costas carrier tracking loop four-phase principle and its implementation based on DSP+ FPGA
Platform: | Size: 562176 | Author: fy | Hits:

[VHDL-FPGA-Verilog] qpsk_demod_use_FPGA

Description: 根据软件无线电的思想，提出了一种新颖的数字信号处理算法，对QPSK信号的相位进行数字化处理，从而实现对QPSK信号的解调.该算法允许收发两端载波存在频差，用数字锁相实现收发端载波的同步，在频偏较大的情况下，估算频偏的大小，自适应设置环路的带宽，实现较短的捕获时间和较好的信噪性能。整个设计基于XILINX公司的ISE开发平台，并用Virtex-II系列FPGA实现。用FPGA实现调制解调器具有体积小、功耗低、集成度高、可软件升级、扰干扰能力强的特点，符合未来通信技术发展的方向。-According to the idea of software radio, a novel digital signal processing algorithm, the phase of QPSK digital signal processing, enabling the demodulation of QPSK signals. This algorithm allows the sending and receiving ends of the carrier frequency difference exists, using digital phase-locked to achieve synchronization of sending and receiving end of the carrier, in the case of large frequency offset, frequency offset estimation of the size, adaptive set the loop bandwidth to achieve shorter acquisition time and better noise performance. The whole design is based on the company XILINX ISE development platform, and Virtex-II series with the FPGA. FPGA realization of a modem with a small size, low power consumption, high integration, software upgrades available, the characteristics of strong interference interference, in line with the future direction of ICT development.
Platform: | Size: 64512 | Author: 马文 | Hits:

[VHDL-FPGA-Verilog] QPSK

Description: 基于FPGA的QPSK实现调制解调，主程序，测试程序都有-FPGA-based implementation of QPSK modulation and demodulation, the main program, the test program has
Platform: | Size: 1442816 | Author: 卢梦明 | Hits:

[assembly language] QPSK-code--FPGA

Description: 一种基于FPGA的Q​ P​ S​ K​ 调​ 制​ 解​ 调​ 的代码仿真，很实用-A code Q P S K modulation demodulation of FPGA-based emulation, it is practical
Platform: | Size: 4096 | Author: 杨皓然 | Hits:

[Other] fpga-and-qpsk

Description: 这是一个基于FPGA实现的QPSK调制解调文件，可以借鉴-This is an FPGA-based realization of QPSK modulation and demodulation file, you can learn
Platform: | Size: 205824 | Author: 陶文祥 | Hits:

[Program doc] QPSK-by-FPGA

Description: 基于FPGA的QPSK调制与解调的实现，使用VHDL语言编写-Implementation of FPGA modulation and demodulation based on QPSK, using VHDL language
Platform: | Size: 1362944 | Author: wisdom | Hits:

[Other] dpsk_MATLAB

Description: 基于FPGA的dpsk 调制解调仿真程序-FPGA-based modulation and demodulation simulation program qpsk
Platform: | Size: 9216 | Author: zhangjinpeng | Hits:

[Software Engineering] FPGA_QPSK

Description: 本设计是基于FPGA技术来实现QPSK 数字调制传输系统。通过VHDL语言基于 FLEXlOK芯片完成了QPSK数字调制系统 的调制与解调模块、位同步信号恢复模块、 帧同步信号提取模块，数据采集模块、数据 恢复等模块的设计与仿真。-This design is based on FPGA technology to achieve QPSK Digital modulation transmission system. Based on the VHDL language FLEXlOK chip has completed the QPSK digital modulation system Modulation and demodulation module, bit synchronization signal recovery module, Frame synchronization signal extraction module, data acquisition module, data acquisition module, data acquisition module.Design and Simulation of recovery module.
Platform: | Size: 218112 | Author: 周能斌 | Hits:

[VHDL-FPGA-Verilog] QPSK调制解调器的设计及FPGA实现

Description: QPSK FPGA的实现，QPSK调制解调器的设计及FPGA实现(Design and implementation of QPSK modem based on FPGA)
Platform: | Size: 6838272 | Author: muweng | Hits:

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