会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明授权
    • Signal processing device and wireless apparatus
    • 信号处理装置和无线装置
    • US08228970B2
    • 2012-07-24
    • US12213881
    • 2008-06-25
    • Kaoru KobayashiShigeru TakegishiNobuo Tsukamoto
    • Kaoru KobayashiShigeru TakegishiNobuo Tsukamoto
    • H04B1/00
    • H04B1/707
    • There is provided a signal processing device and a wireless apparatus capable of not erroneously determining polarity, appropriately performing a spread modulation process, a carrier modulation process, and reception data demodulation process, improving reception accuracy, and miniaturizing a circuit, even when IF carrier frequency shift occurs. The signal processing device and the wireless apparatus includes a spread modulation unit which includes a first differential encoding process section for performing a differential encoding process on a reception data, a differential encoding process section for performing a second differential encoding process on the output, and a spread modulation process section for performing a spread modulation process on the output using a spread code; a carrier modulation unit which quadrature-modulates a transmission data spread modulation signal and a continuous wave; and a reception data decoding unit which performs a correlation process twice and a delay detection process twice.
    • 提供了一种能够不错误地确定极性的信号处理装置和无线装置,适当地执行扩频调制处理,载波调制处理和接收数据解调处理,提高接收精度和使电路小型化,即使在IF载波频率 班次发生。 信号处理装置和无线装置包括扩展调制部,其包括对接收数据进行差分编码处理的第一差分编码处理部,对输出进行第二差分编码处理的差分编码处理部, 扩展调制处理部分,用于使用扩展码对输出进行扩展调制处理; 载波调制单元,对发送数据扩展调制信号和连续波进行正交调制; 以及接收数据解码单元,其执行两次相关处理和延迟检测处理两次。