2) PSK-OFDM
相位调制OFDM
1.
Effects of Fast Moving Rayleigh Channel on PSK-OFDM Systems;
高速移动Rayleigh信道下的相位调制OFDM系统
3) whole-phase grade
全相品位
1.
The whole-phase grade has been used to define orebodies of a weathering-crust-type rare-earth deposit and to calculate its reserves.
一直以来 ,风化壳型稀土矿床均以全相品位来圈定矿体 ,计算全相储量。
4) all-phase
全相位
1.
FIR filter design based on all-phase amplitude-frequency characteristic compensation;
基于全相位幅频特性补偿的FIR滤波器设计
2.
FIR notch filter design based on double phase-shift combination all-phase method;
基于双相移组合全相位法的FIR陷波器设计
3.
With all sorts of 3-D factors in frequency domain and time domain being taken into account,an excellent 3-D filter can be constructed by synthesizing the properties of DFT,all-phase signal processing,spectral analysis etc.
此方法充分考虑了各种三维频率分布和时域分布的因素,把DFT、全相位信号处理、频谱分析等性质结合了起来,构造出性能较好的三维滤波器。
5) all-phase FFT
全相位FFT
1.
To measure sampled sequeces phase values accurately,the phase spectrum of all-phase FFT(apFFT for short)is deeply studied in this paper,and apFFTs property of phase invariant is strictly proved.
为精确测出采样序列各样点的相位值,本文深入研究了全相位FFT(简称apFFT)的相位谱特性,严格证明了apFFT的相位不变性,基于此提出了apFFT相位测量法。
2.
To estimate sinusoidal signal’s frequency,amplitude and original phase precisely under noisy circum-stances,a novel time-shift phase difference correcting spectrum method based on all-phase FFT spectral analysis was proposed.
为精确估计噪声背景下正弦信号频率、幅值、初始相位,提出了基于全相位FFT谱分析的时移相位差频谱校正法。
3.
To study the properties of the phase spectrum of all-phase FFT(apFFT for short) and extend its application fields,this paper presents the phase measurement mechanism based on apFFT from the phase spectrum in polar coordinate,vector analysis,matrix analysis,and simulation,etc.
为深入研究全相位FFT(all-phase FFT,apFFT)的相位谱性质以扩大其应用范围,本文从极坐标相位谱图、矢量分析、矩阵分析及其仿真实验等多个角度阐述了apFFT的相位测量机理,较透彻地剖析了apFFT的无需频谱校正的相位测量性质和抑制谱泄漏性能;实验表明,apFFT的测相方差至少比同阶数的FFT测相方差低2/3以上,因而"全相位计"可望在设备故障诊断、电力系统谐波分析、GPS导航定位等领域有着广阔应用。
6) all-phase DFT
全相位DFT
1.
To estimate signal frequency and amplitude exactly under noisy circumstances,the excellent property of all-phase DFT restraining spectral leakage is mathematically proved.
为精确估计噪声环境中的信号频率和幅值,数学证明了全相位DFT优良的抑制频谱泄漏的性质。
补充资料：全相
1.旧时通俗话本﹑演义等绘有人物绣像及每回故事内容者，称"全相"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条