quadrature phase shift keying demodulation technique
资源简介:quadrature phase shift keying demodulation technique
上传时间: 2013-12-09
上传用户:gaome
资源简介:quadrature Phase Shift keying Demo
上传时间: 2013-12-15
上传用户:妄想演绎师
资源简介:psk to DPSK conversion (absolute phase shift keying to the relative phase shift keying conversion)
上传时间: 2017-01-28
上传用户:kbnswdifs
资源简介:Phase shift keying , M=2 modem
上传时间: 2013-12-21
上传用户:silenthink
资源简介:偏移正交相移键控(OQPSK:Offset quadrature Phase Shift keying)调制技术是一种恒包络调制技术,具有频谱利用率高、频谱特性好等特点,广泛应用于卫星通信和移动通信领域。 论文以某型侦收设备中OQPSK解调器的全数字化为研究背景,设计并实现了基于FPGA的全...
上传时间: 2013-06-30
上传用户:Miyuki
资源简介:偏移正交相移键控(OQPSK:Offset quadrature Phase Shift keying)调制技术是一种恒包络调制技术,具有频谱利用率高、频谱特性好等特点,广泛应用于卫星通信和移动通信领域。 论文以某型侦收设备中OQPSK解调器的全数字化为研究背景,设计并实现了基于FPGA的全...
上传时间: 2013-05-19
上传用户:zl123!@#
资源简介:script for generting transmit waveforms in a minimum shift keying, a form of continuous phase frequency shift keying
上传时间: 2016-11-30
上传用户:ANRAN
资源简介:We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation, phase-shift keying, and pulse amplitude modulation communications systems.We study the performance of a standard CFO estimate, ...
上传时间: 2014-01-22
上传用户:牛布牛
资源简介:This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) communication system. The receiver uses a correlator(mixer-integrator[LPF]) configuration with BER measurements comparing measured and theoretic...
上传时间: 2015-09-26
上传用户:liuchee
资源简介:Phase Modulation and demodulation
上传时间: 2015-10-04
上传用户:xc216
资源简介:This m file simulates a differential phase shift keyed (DPSK) ultra wide bandwidth(UWB) system using a fifth derivative waveform equation of a Gaussian pulse.
上传时间: 2014-01-03
上传用户:784533221
资源简介:calculates Linear Feedback Shift Register(LFSR) mask and seed values for a specific phase shift.
上传时间: 2017-09-06
上传用户:fnhhs
资源简介:This paper examines the asymptotic (large sample) performance of a family of non-data aided feedforward (NDA FF) nonlinear least-squares (NLS) type carrier frequency estimators for burst-mode phase shift keying (PSK) modulations transmit...
上传时间: 2015-12-30
上传用户:225588
资源简介:针对传统集成电路(ASIC)功能固定、升级困难等缺点,利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块,在下变频模块调用了硬核乘法器并引入CIC滤波器进行低通滤波,给出了DQPSK解调的原理和实现方法,推导出一种简便的引...
上传时间: 2013-11-06
上传用户:liu123
资源简介:针对传统集成电路(ASIC)功能固定、升级困难等缺点,利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块,在下变频模块调用了硬核乘法器并引入CIC滤波器进行低通滤波,给出了DQPSK解调的原理和实现方法,推导出一种简便的引...
上传时间: 2013-11-19
上传用户:neu_liyan
资源简介:随着各种通信系统数量的日益增多,为了充分地利用有限的频谱资源,高频谱利用率的调制技术不断被应用。偏移正交相移键控(OQPSK: Offset quadraturePhase Shift keying)是一种恒包络调制技术,具有较高的频谱利用率和功率利用率,广泛应用于卫星通信系统和地面...
上传时间: 2013-07-14
上传用户:aappkkee
资源简介:基于幅移键控技术ASK(Amplitude-Shift keying),以C8051F340单片机作为监测终端控制器,C8051F330D单片机作为探测节点控制器,采用半双工的通信方式,通过监控终端和探测节点的无线收发电路,实现数据的双向无线传输。收发电路采用直径为0.8 mm的漆包线自行...
上传时间: 2013-10-19
上传用户:xz85592677
资源简介:MCU(单片机)对可控硅的控制:交流市电控制――MCU对可控硅的控制 郭江辛 07-23-03在用可控硅对交流市电控制中,主要注意以下几个方面:一, 同步信号 (弄不好都会产生不均匀的斩波,控制白炽灯表现为灯闪)1) 清楚同步信号在交流周期中的位置,最好在交流零...
上传时间: 2014-05-05
上传用户:comer1123
资源简介:This application note describes how to build a system that can be used for determining theoptimal phase shift for a Double Data Rate (DDR) memory feedback clock. In this system, theDDR memory is controlled by a controller that attaches to e...
上传时间: 2013-10-15
上传用户:euroford
资源简介:This application note describes how to build a system that can be used for determining theoptimal phase shift for a Double Data Rate (DDR) memory feedback clock. In this system, theDDR memory is controlled by a controller that attaches to e...
上传时间: 2014-11-26
上传用户:erkuizhang
资源简介:M16C/6S 群是采用64 管脚的塑模LQFP 封装的单片机。该群将电力线通信调制解调器内核(利用了Yitran Communications Ltd公司开发的IT800PLC调制解调器技术)和模拟前端进行了单芯片化。M16C/60系列CPU内 核实现了高级别的编码效率和高速运算处理,而且,内置...
上传时间: 2014-08-08
上传用户:xaijhqx
资源简介:DDR SDRAM控制器的VHDL源代码,含详细设计文档。 The DDR, DCM, and SelectI/O™ features in the Virtex™ -II architecture make it the perfect choice for implementing a controller of a Double Data Rate (DDR) SDRAM. The Digital Clock M...
上传时间: 2014-11-01
上传用户:l254587896
资源简介:Introduction to Radio Frequency Identification (RFID): RFID is a wireless modulation and demodulation technique for automatic identification of objects, tracking goods, smart logistics, and access con- trol. RFID is a contactless, usually s...
上传时间: 2020-06-08
上传用户:shancjb
资源简介:SPWM technique for Three Phase Inverter. Analysis fundamental improvement with respect to modulation index variation is done in simulation. Analysis can be done also for switching frequency variation for shifting the dominant harmonics
上传时间: 2017-04-23
上传用户:hanli8870
资源简介:Space-Vector PWM technique for Two-Phase Inverter-Fed Two-Phase Induction Motors
上传时间: 2013-12-19
上传用户:时代电子小智
资源简介:Title : Implementation of quadrature modulation and demodulation Design Object : By implementing quadrature modulation and demodulation of analog signals in digital signal processing, students will have better understanding of sampling and...
上传时间: 2013-12-09
上传用户:蠢蠢66
资源简介:Implementing quadrature modulation and demodulation of analog signals in digital signal processing, using MATLAB
上传时间: 2013-12-20
上传用户:gmh1314
资源简介:A general technique for the recovery of signicant image features is presented. The technique is based on the mean shift algorithm, a simple nonparametric pro- cedure for estimating density gradients. Drawbacks of the current methods (i...
上传时间: 2015-10-14
上传用户:410805624
资源简介:This paper investigates the design of joint frequency offset and carrier phase estimation of a multi-frequency time division multiple access (MF-TDMA) demodulator that is applied to a digital video broadcasting—return channel system via...
上传时间: 2015-12-30
上传用户:ls530720646
资源简介:·经典Mean shift算法
上传时间: 2013-05-29
上传用户:417313137