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    • 123. 发明授权
    • Power supply unit
    • 供电单元
    • US08339791B2
    • 2012-12-25
    • US12848199
    • 2010-08-01
    • Lei Liu
    • Lei Liu
    • H05K5/00
    • G01R31/2839G01R31/2806H01R13/17H01R13/18H02J2001/008
    • A power supply unit includes a box, a circuit board, and a power connector. A first connector is set on the sidewall of the box and electrically connected to a rectifier of the box. The circuit board includes a number of output terminals set on a first side, and a second connector set on a second side and electrically connected to the first connector. Each of the output terminals is connected to the second connector. The power connector is selectively connected to some of the output terminals via a cable and connected to a power interface, the power connector is connected to the first end of the cable, and the second end of the cable is selectively connected to corresponding output terminals according to a required input voltage of different motherboards, the power connector outputs power signals to the motherboard and receives control signals from the motherboard.
    • 电源单元包括盒,电路板和电源连接器。 第一连接器设置在箱的侧壁上并电连接到盒的整流器。 电路板包括设置在第一侧上的多个输出端子和设置在第二侧上并电连接到第一连接器的第二连接器。 每个输出端子连接到第二连接器。 电源连接器通过电缆选择性地连接到一些输出端子并连接到电源接口,电源连接器连接到电缆的第一端,并且电缆的第二端选择性地连接到相应的输出端子 对于不同主板的所需输入电压,电源连接器向主板输出电源信号并从主板接收控制信号。
    • 124. 发明申请
    • METHOD AND APPARATUS FOR IMPLEMENTING PDM-BPSK MODULATION AND QPSK MODULATION IN COMPATIBLE MANNER
    • 用于实现PDM-BPSK调制和兼容手机中的QPSK调制的方法和装置
    • US20120275791A1
    • 2012-11-01
    • US13545637
    • 2012-07-10
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • H04J14/06
    • H04B10/5053H04B10/5161H04B10/532H04L27/2096
    • A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal.
    • 用于以兼容方式实现偏振分复用二进制相移键控(PDM-BPSK)调制和正交相移键控(QPSK)调制的方法包括:将直流(DC)光分成第一通道和第二通道 光能相同的力量; 在第一光通道和第二光通道上分别执行光电调制,并相应地以二进制相移键控(BPSK)格式输出第一光信号和第二光信号; 对所述第一光信号执行偏振状态控制; 对所述第一光信号或所述第二光信号执行相移; 以及在所述偏振状态控制和相移之后执行保留在所述第一光信号和所述第二光信号上的所述偏振状态的光信号组合,以及输出PDM-BPSK调制光信号或QPSK调制光信号。
    • 126. 发明授权
    • Electronic equalization and electronic depolarization method, receiving end equipment, and communication system
    • 电子均衡和电子去极化方法,接收终端设备和通信系统
    • US08218614B2
    • 2012-07-10
    • US13248555
    • 2011-09-29
    • Zihuan ChenLei LiuChangsong Xie
    • Zihuan ChenLei LiuChangsong Xie
    • H04L27/01
    • H04L25/03159H04L27/2626
    • Embodiments of the present invention disclose an electronic equalization and electronic depolarization method, a receiving end equipment, and a communication system. According to the embodiments of the present invention, parameters required by electronic equalization and electronic depolarization are calculated by detecting a Synchronization Sequence (SS) in a received signal, and then the electronic equalization and the electronic depolarization are performed on the received signal in a frequency domain by utilizing the parameters, so as to solve a problem of the electronic equalization and the electronic depolarization in a Polarization Division Multiplexing (PDM) Orthogonal Frequency Division Multiplexing (OFDM) system. Furthermore, the realization complexity of the electronic equalization and the electronic depolarization performed in the frequency domain is greatly reduced relative to the electronic equalization and the electronic depolarization performed in a time domain.
    • 本发明的实施例公开了电子均衡和电子去极化方法,接收端设备和通信系统。 根据本发明的实施例,通过检测接收信号中的同步序列(SS)来计算电子均衡和电子去极化所需的参数,然后以频率对接收到的信号执行电子均衡和电子去极化 通过利用参数,解决了偏振分复用(PDM)正交频分复用(OFDM)系统中的电子均衡和电子去极化的问题。 此外,相对于在时域中执行的电子均衡和电子去极化,在频域中执行的电子均衡和电子去极化的实现复杂度大大降低。