本文研究了带通信号的时延估计问题。
Time delay estimation for bandpass signals is discussed in this paper.
提出了一种在基带采样率内对任意带通信号的正交采样技术。
A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented.
拓展了带限信号一步外推算法,使之能够适用于带通信号的情况。
The one-step extrapolation procedure for low-pass signal was extended to the band-pass case.
该文讨论了宽带数字接收机中对多个复或实的带通信号的直接均匀采样。
This paper discussed the uniform under-sampling of multiple bandpass signals in digital receiver.
目的用公共的低速采样频率对全频段内许多不同频点的带通信号进行采样。
AimTo use the common sample frequency in low speed to the sample of band-pass signals of multiple different frequency point in full frequency rage.
本文提出一种新的带通信号采样方法,实现对带通信号的“等效”低通信号采样。
A new method for sampling the lowpass equivalent of a bandpass signal is proposed in this paper.
接着,探讨软件无线电中的多速率信号处理技术,重点分析软件无线电中的带通信号正交抽取结构;
Then, it discusses multi rate digital signal process (MRDSP) technology in SDR, emphasis is put on the analysis of band pass signal orthogonal sampling structure.
在数字正交采样中,带通信号存在频谱迁移问题,虽然满足带通信号的采样定理,仍可能产生频谱混叠。
For bandpass signal under digital quadrature sampling, there is spectrum shifting. Although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.
结论合理选取频点和低速采样频率能够实现用公共的低速采样频率对全频段内许多不同频点的带通信号进行采样。
ConclusionThrough arranging reasonably the frequency point and the sample frequency, it is possible to use the common sample frequency in l...
本文首先得到了均匀冲激串采样信号的FRFT,然后在此基础上导出了FRF T域上带通信号和低通信号的采样定理和重构公式。
In this paper, we first obtain the FRFT of the uniform impulse-train sampled signals, and based on it, we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT.
还包括道路设计应用,例如中央分隔带的设置、附加车道和交通信号的合理间距。
It also involves roadway design applications, such as median treatments and auxiliary lanes, and the appropriate spacing of traffic signals.
从带噪信号中估计源信号在很多应用领域都是重要课题,例如通信、医学成像、远程图像以及天文学等等。
Estimation of signals from noisy observations is an important topic with applications in areas such as communication, medical imaging, remote imaging, and astronomy.
在数字通信中,理想的MDPS K信号在码元切换时会发生相位跳变,旁瓣功率较大,需要经过限带滤波后才能够发射。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
在数字通信中,理想的MDPS K信号在码元切换时会发生相位跳变,旁瓣功率较大,需要经过限带滤波后才能够发射。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
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