quadrature phase shift keying demodulation technique
資源簡介:quadrature phase shift keying demodulation technique
上傳時間: 2013-12-09
上傳用戶:gaome
資源簡介:quadrature Phase Shift keying Demo
上傳時間: 2013-12-15
上傳用戶:妄想演繹師
資源簡介:psk to DPSK conversion (absolute phase shift keying to the relative phase shift keying conversion)
上傳時間: 2017-01-28
上傳用戶:kbnswdifs
資源簡介:Phase shift keying , M=2 modem
上傳時間: 2013-12-21
上傳用戶:silenthink
資源簡介:偏移正交相移鍵控(OQPSK:Offset quadrature Phase Shift keying)調(diào)制技術(shù)是一種恒包絡(luò)調(diào)制技術(shù),具有頻譜利用率高、頻譜特性好等特點,廣泛應用于衛(wèi)星通信和移動通信領(lǐng)域。 論文以某型偵收設(shè)備中OQPSK解調(diào)器的全數(shù)字化為研究背景,設(shè)計并實現(xiàn)了基于FPGA的全...
上傳時間: 2013-06-30
上傳用戶:Miyuki
資源簡介:偏移正交相移鍵控(OQPSK:Offset quadrature Phase Shift keying)調(diào)制技術(shù)是一種恒包絡(luò)調(diào)制技術(shù),具有頻譜利用率高、頻譜特性好等特點,廣泛應用于衛(wèi)星通信和移動通信領(lǐng)域。 論文以某型偵收設(shè)備中OQPSK解調(diào)器的全數(shù)字化為研究背景,設(shè)計并實現(xiàn)了基于FPGA的全...
上傳時間: 2013-05-19
上傳用戶:zl123!@#
資源簡介:script for generting transmit waveforms in a minimum shift keying, a form of continuous phase frequency shift keying
上傳時間: 2016-11-30
上傳用戶:ANRAN
資源簡介: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, ...
上傳時間: 2014-01-22
上傳用戶:牛布牛
資源簡介: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...
上傳時間: 2015-09-26
上傳用戶:liuchee
資源簡介:Phase Modulation and demodulation
上傳時間: 2015-10-04
上傳用戶:xc216
資源簡介: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.
上傳時間: 2014-01-03
上傳用戶:784533221
資源簡介:calculates Linear Feedback Shift Register(LFSR) mask and seed values for a specific phase shift.
上傳時間: 2017-09-06
上傳用戶:fnhhs
資源簡介: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...
上傳時間: 2015-12-30
上傳用戶:225588
資源簡介:針對傳統(tǒng)集成電路(ASIC)功能固定、升級困難等缺點,利用FPGA實現(xiàn)了擴頻通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核實現(xiàn)NCO模塊,在下變頻模塊調(diào)用了硬核乘法器并引入CIC濾波器進行低通濾波,給出了DQPSK解調(diào)的原理和實現(xiàn)方法,推導出一種簡便的引...
上傳時間: 2013-11-06
上傳用戶:liu123
資源簡介:針對傳統(tǒng)集成電路(ASIC)功能固定、升級困難等缺點,利用FPGA實現(xiàn)了擴頻通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核實現(xiàn)NCO模塊,在下變頻模塊調(diào)用了硬核乘法器并引入CIC濾波器進行低通濾波,給出了DQPSK解調(diào)的原理和實現(xiàn)方法,推導出一種簡便的引...
上傳時間: 2013-11-19
上傳用戶:neu_liyan
資源簡介:隨著各種通信系統(tǒng)數(shù)量的日益增多,為了充分地利用有限的頻譜資源,高頻譜利用率的調(diào)制技術(shù)不斷被應用。偏移正交相移鍵控(OQPSK: Offset quadraturePhase Shift keying)是一種恒包絡(luò)調(diào)制技術(shù),具有較高的頻譜利用率和功率利用率,廣泛應用于衛(wèi)星通信系統(tǒng)和地面...
上傳時間: 2013-07-14
上傳用戶:aappkkee
資源簡介:基于幅移鍵控技術(shù)ASK(Amplitude-Shift keying),以C8051F340單片機作為監(jiān)測終端控制器,C8051F330D單片機作為探測節(jié)點控制器,采用半雙工的通信方式,通過監(jiān)控終端和探測節(jié)點的無線收發(fā)電路,實現(xiàn)數(shù)據(jù)的雙向無線傳輸。收發(fā)電路采用直徑為0.8 mm的漆包線自行...
上傳時間: 2013-10-19
上傳用戶:xz85592677
資源簡介:MCU(單片機)對可控硅的控制:交流市電控制――MCU對可控硅的控制 郭江辛 07-23-03在用可控硅對交流市電控制中,主要注意以下幾個方面:一, 同步信號 (弄不好都會產(chǎn)生不均勻的斬波,控制白熾燈表現(xiàn)為燈閃)1) 清楚同步信號在交流周期中的位置,最好在交流零...
上傳時間: 2014-05-05
上傳用戶:comer1123
資源簡介: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...
上傳時間: 2013-10-15
上傳用戶:euroford
資源簡介: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...
上傳時間: 2014-11-26
上傳用戶:erkuizhang
資源簡介:M16C/6S 群是采用64 管腳的塑模LQFP 封裝的單片機。該群將電力線通信調(diào)制解調(diào)器內(nèi)核(利用了Yitran Communications Ltd公司開發(fā)的IT800PLC調(diào)制解調(diào)器技術(shù))和模擬前端進行了單芯片化。M16C/60系列CPU內(nèi) 核實現(xiàn)了高級別的編碼效率和高速運算處理,而且,內(nèi)置...
上傳時間: 2014-08-08
上傳用戶:xaijhqx
資源簡介:DDR SDRAM控制器的VHDL源代碼,含詳細設(shè)計文檔。 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...
上傳時間: 2014-11-01
上傳用戶:l254587896
資源簡介: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...
上傳時間: 2020-06-08
上傳用戶:shancjb
資源簡介: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
上傳時間: 2017-04-23
上傳用戶:hanli8870
資源簡介:Space-Vector PWM technique for Two-Phase Inverter-Fed Two-Phase Induction Motors
上傳時間: 2013-12-19
上傳用戶:時代電子小智
資源簡介: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...
上傳時間: 2013-12-09
上傳用戶:蠢蠢66
資源簡介:Implementing quadrature modulation and demodulation of analog signals in digital signal processing, using MATLAB
上傳時間: 2013-12-20
上傳用戶:gmh1314
資源簡介: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...
上傳時間: 2015-10-14
上傳用戶:410805624
資源簡介: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...
上傳時間: 2015-12-30
上傳用戶:ls530720646
資源簡介:·經(jīng)典Mean shift算法
上傳時間: 2013-05-29
上傳用戶:417313137