搜索结果: 1-6 共查到“光电子技术 W-CDMA”相关记录6条 . 查询时间(0.109 秒)
Multiple Optical Private Networks Over EPON Using Optical CDMA Technique
Fiber optics communications Networks
2015/6/4
A novel architecture of multiple optical private networks (PNs) on EPON independent of OLT is experimentally demonstrated. Two active PNs are established using OCDMA, which ONUs within a PN are interc...
CDMA光纤直放站用单纤双向收发模块
CDMA 单纤双向 收发模块
2008/10/30
该项目开发出了应用于各类频段的CDMA光纤直放站用单纤双向收发模块，可分别应用于GSM、CDMA、PHS、3G等业务，也可用作图像和话音数据的模拟传输及数据调制后的模拟发射和接收。该模块是光纤直放站的核心组件，智能化微处理控制器具有双串口和AD转换功能，用来完成数据信息的智能化传递与控制，从根本上简化了光纤直放站模块的结构和生产，提高了产品可靠性和可生产性。该项目用单纤双向组件替代了传统的分离模块...
CDMA光纤直放站用单纤双向收发模块
CDMA 单纤双向 收发模块
2008/10/29
该项目开发出了应用于各类频段的CDMA光纤直放站用单纤双向收发模块，可分别应用于GSM、CDMA、PHS、3G等业务，也可用作图像和话音数据的模拟传输及数据调制后的模拟发射和接收。该模块是光纤直放站的核心组件，智能化微处理控制器具有双串口和AD转换功能，用来完成数据信息的智能化传递与控制，从根本上简化了光纤直放站模块的结构和生产，提高了产品可靠性和可生产性。该项目用单纤双向组件替代了传统的分离模...
Simultaneous transmission of W-CDMA and WIMAX signals over 300 m 50 μm multimode fibres using low cost 850 nm devices
Simultaneous transmission W-CDMA WIMAX signals multimode fibres
2015/8/6
Simultaneous transmission of WCDMA and WIMAX signals over 300 m multimode fibre links for indoor coverage has been demonstrated employing low cost 850 nm devices.
Integrated Frequency-Domain Optical CDMA Modulator Using Hybrid Assembly Technique with Silica PLCs and LN Phase Modulator
Integrated Frequency-Domain Optical CDMA Modulator Hybrid Assembly Technique Silica PLCs LN Phase Modulator
2015/8/3
A frequency-domain OCDMA modulator is developed by integrating PLC encoders with LN modulators. This modulator can hold data signals in phase to carry out self-homodyne detection to reduce beat noise.
Experimental Demonstration of Multicarrier-CDMA for Passive Optical Networks
Multicarrier-CDMA Passive Optical Networks
2015/7/31
Optical multicarrier-CDMA is experimentally demonstrated for the first time. The system supports up to 256 users at a total bit rate of 15-Gb/s with almost no penalty after 70-Km transmission.