signal n. 1.信号,暗号;信号器。 2.动机,导火线 (for)。 3.预兆,征象。 call signal 【无线电】呼号。 an alarm signal 警报(器)。 an information signal 〔美国〕暴风警报(旗)。 an international code of signals 国际通用信号。 a signal of distress =a distress signal 船只失事信号。 adj. 1.暗号的,作信号用的。 2.显著的,非常的,优越的。 a signal victory [defeat] 大胜[败]。 vt.,vi. (〔英国〕 -ll-) 发信号[警报]给(人、船等);用信号[警报]通知(暴风、危险等);用动作[手势]示意;预示。 a signaling bomb 信号弹。
On the base of briefly introducing the wavelet analysis theory and nonlinear wavelet de - noising theory by soft - thresbolding , some examples of signal recovery with white - noise heavily polluted are given in the paper 本文在简述了小波分析及噪声分离的非线性小波理论的基础上,给出了从噪声污染信号中恢复原信号的实例。
The injection - locking technology , characterized by the frequency stabilization , amplification , modulation and etc , has been widely used in the small - signal recovery , frequency synchronization , power synthesis , phase modulation and etc in the microwave , millimeter wave and higher frequency range communication and phased - array systems 注入锁定技术具有稳频、放大、调制等特性,已被广泛应用于微波毫米波以及更高频段通信和相控阵系统中的小信号恢复、频率同步、功率合成、相位调制等。
The clock and data pulsation signals from upper sensor heads can be received using pin diode , then , amplified and inverted in logical control unit for the purpose of cpu operation . hereinafter , the digital signal will be delivered into the central processing unit ( cpu ) for related calculation , and meanwhile transmitted to a d / a converter for signal recovery after filter and phase - shift circuit 通过采用pin管接收从传感头传递下来的时钟脉冲和数据脉冲信号,并将它们放大整形传送到逻辑控制单元,产生逻辑控制信号,再将数字信号传送给d / a转换器,设计了滤波器和移相器电路,还原出了原始的被采样信号。
It is demonstrated that the theory and the method presented here can markedly improve the output snr , and minimize phase lag as well as the distortion of the system output signal with multi - frequency . a whole framework for multi - frequency signal processing is formed , including the methods of selecting system parameters and signal recovery 对于带噪声的多频模拟信号,参数调节随机共振方法能够提高系统的输出信躁比,并减小多频模拟信号的波形畸变和相位延迟,本文给出了系统参数调节方法和信号反演关系,从而形成了较为完整的模拟信号处理方法。