digital modulation method的意思|示意

An alternative method is to transmit the combined digital signal from the parallel channels by frequency or phase modulation of common carrier.

另一种方法是对公共载波调频或调相的方法发送并列信道的组合数字信号。

This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal.

该文在基于子阵和发射为线性调频信号的前提下，提出一种宽带子阵数字波束形成方法。

At the same time, we refrain mirror frequency effectively with the method of digital quadrature modulation (DQM).

同时，由于采用了数字正交调制，从而有效地提高了镜频抑制。

The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.

文中在校准应用研究中采用田口方法，根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。

Digital TV signal modulation is a message transmitting method which is expressed by some discrete states in carrier wave. Only carrier wave modulating parameter is detected.

数字电视信号的调制是用载波信号的某些离散状态来表征所传送的信息，在接收端只对载波信号的离散调制参量进行检测。

A new digital modulation recognition method based on instantaneous information is proposed for the application under the low signal-to-noise ratio (SNR).

针对数字调制识别在低信噪比下的应用，提出一种新的基于瞬时信息的调制识别算法。