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[3G develop] src DL : 0: DQPSK modulation with XILINX FPGA. 2 level butterworth analog filter for I & Q D/A output. -DQPSK modulation with XILINX FPGA. 2 level butterworth analog filter for I & Q D/A output.
Date : 2026-01-18 Size : 59kb User : youker
[3G develop] differential_interfaces_cn DL : 0: 本文对于收发信机的架构进行的详细的介绍,文中对超外差的架构,零中频收发系统具体实现进行了详细的介绍.-This paper describes ZIF and superheterodyne receiver differential interfaces for the demodulator, IF VGA, mixer, and analog port of the ADC, as well as transmitter differential interfaces between the TxDAC and FMOD, using Analog Devices
Date : 2026-01-18 Size : 786kb User : zhaomingming
[3G develop] chapter5-analog-modulation DL : 0: 模拟调制源程序代码。包括幅度调制和角度调制。-analog modulation software
Date : 2026-01-18 Size : 59kb User : 严小平
[3G develop] ofdm_channel_estimation DL : 0: ofdm系统中LS信道估计，QPSK调制，模拟瑞利信道，能运行出误码率图形。-LS channel estimation in OFDM system, QPSK modulation, analog Rayleigh channel can run a bit error rate graphics.
Date : 2026-01-18 Size : 13kb User : tianchuntang
[3G develop] gold DL : 0: 级数为7，长度为127的平衡 GOLD序列，由m1序列和m2序列逐位模二加产生-Level 7, length of 127 GOLD sequence balanced by m1 and m2 sequence by sequence-bit analog two-plus-generated
Date : 2026-01-18 Size : 1kb User : xiaoya
[3G develop] CDMA_DBPSK_Sim DL : 0: 基于CDMA扩频通信技术的仿真，采用的调制方法是DPSK，模拟信道噪声，输出信噪比，说明CDMA扩频通信的抗噪性-Based on the CDMA spread spectrum communication technology, the modulation method is DPSK, analog channel noise and output signal to noise ratio, which shows the noise immunity of CDMA spread spectrum communication
Date : 2026-01-18 Size : 1kb User : 二妮子
[3G develop] CDMA_GMSK_Sim DL : 0: 基于CDMA扩频通信技术的仿真，采用的调制方法是GMSK调制，模拟信道噪声，输出信噪比，说明CDMA扩频通信的抗噪性- 58/5000 Jīyú CDMA kuò pín tōngxìn jìshù de fǎngzhēn, cǎiyòng de tiáozhì fāngfǎ shì GMSK tiáozhì, mónǐ xìndào zàoshēng, shūchū xìn zào bǐ, shuōmíng CDMA kuò pín tōngxìn de kàng zào xìng Based on the CDMA spread spectrum communication technology, the modulation method adopted is GMSK modulation, analog channel noise, output signal to noise ratio, which shows the noise immunity of CDMA spread spectrum communication
Date : 2026-01-18 Size : 1kb User : 二妮子