Rotation invariant pattern recognition based on amplitude-modulated phase-only filter 应用振幅调制纯相位滤波器实现旋转不变识别
Distortion Invariant Pattern Recognition Based on Amplitude-Modulated Phase-Only Filtering and Sliced Orthogonal Nonlinear Generalized Correlation 基于振幅调制纯相位滤波器和片状正交非线性广义相关的畸变不变识别
Characterization of Sine Amplitude-modulated Film and Measuring Error Analysis 正弦调制薄膜的表征及测量误差分析
Transient analysis of high frequency amplitude-modulated magnetic field during soft-contact electromagnetic continuous casting 软接触电磁连铸高频调幅磁场作用规律的瞬态分析
The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave. 结果表明:方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。
The rotation invariance and good recognition efficiency is achieved by using SDF ( Synthetic Discrimination Functions) as the reference in the amplitude-modulated and a power spectrum subtracted joint transform correlator. 采用振幅调制和功率谱相减的联合变换相关,用实现旋转不变识别的综合鉴别函数(SDF)作为联合变换相关输入的参考图像,来获得具有识别目标的旋转不变性和高的相关识别率。
A novel phase-encoded and amplitude-modulated technique applied to a classical joint transform correlator ( JTC) is proposed, which yields superior output correlation signals and better noise robustness than a classical JTC. 给出了一种对经典联合变换相关器进行相位编码和幅值调节的新方法,使联合变换相关器具有优化的相关输出信号和很强的抗干扰能力。
A derived method on a linear time-varying equivalent circuit of the diode amplitude-modulated circuit 二极管振幅调制电路的线性时变等效电路的一个论证方法
Study of a novel phase-encoded amplitude-modulated joint transform correlator 一种新型的随机位相编码幅值调节联合变换相关器
Dynamical investigation on momentum spread of two-level atom by an amplitude-modulated and phase-modulated standing light wave 振幅相位调制驻波光场中冷却原子的动力学局域
A high frequency amplitude-modulated magnetic field ( AMMF) generator that can produce rectangle, triangle and sine waves has been invented, and the magnetic field inducted in the mold by the generator was measured. 研制了可以产生方波、正弦波及三角波3种波形高频调幅磁场发生器,并对其在结晶器内产生的磁场进行了测量。
Moreover, Hilbert-Huang Transform ( HHT) is employed to demodulate the flicker voltage amplitude-modulated envelope, therefore, the effect of harmonics is avoided and the precision of flicker analysis is improved. 采用Hilbert-Huang变换进行电压闪变调幅波信号的包络解调,可以避免电网工频高次谐波对解调的影响,从而提高闪变分析的精度;
And this method is able to carry on AM-FM demodulation for IMF signal that could be divided into amplitude-modulated signal and frequency-modulated signal two parts. 该方法能够对IMF信号进行AM-FM解调,将IMF分成调幅信号和调频信号两部分。
Energy sharing between the two modes leads to an amplitude-modulated response that may become chaotic. The period-doubling route to the chaos is observed in both the theoretic analyses and the experimental measurements. 2个模态的能量共享导致了幅度调制振动并出现混沌,理论和实验均观测到了由倍周期到混沌的过程。
First, response of the platform under random seismic loading is simulated with 2 groups of amplitude-modulated actual seismic record and 1 group of artificial earthquake wave. 首先,使用两组调幅的强震记录和一组人工地震波进行了平台的地震时程分析。