In this paper, we described the principle and realization of multi function modulation platform on the basis of AD9854 and FPGA.
给出了利用AD 9854与FPGA器件实现多功能调制的原理及实现方法。
The basis theory of generalized pulse code modulation (GPCM) was described, and several typical application circuits with GPCM control were presented.
介绍了广义脉码调制(GPCM)控制理论，结合具体应用情况，阐述了几种GPCM控制阀典型应用的控制回路。
This paper presents a new dual-amplitude pulse position modulation (DAPPM) on the basis of PPM.
针对该问题，提出了一种新的双幅度脉冲位置调制(DAPPM)。
To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
研究非线性调频信号波形设计方法。依据相位逗留原理，采用动态优选法，给出了一种改进的非线性调频信号波形设计方法。
The performances of different coded M-ary orthogonal modulation are simulated and evaluated on the basis of the soft bits output of M-ary orthogonal modulation.
基于M进制正交调制的软比特输出特性，对不同编码条件下的M进制正交调制性能进行了仿真评估。
Relying on basis expansion model, this paper presents a differential space-time modulation method for flat rapidly fading channels.
利用基扩展模型，针对平坦快衰落信道提出了差分空时调制方法。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
In this paper, a novel power allocation and adaptive modulation method is proposed on the basis of the combination of MIMO and OFDM technology.
本文在已知信道状态信息的前提下，将MIMO和OFDM技术相结合，提出了一种新的MIMO - OFDM系统的功率分配和自适应调制方法。
In this paper, we present a new frequency modulation function on the basis of features of traditional non-linear frequency modulation signal.
本文将非线性调频技术引入引信探测体制中，利用线性调频波作为调制信号对射频信号进行二次调频。
Two mathematic models of software radio receiver are introduced and they provide theoretic basis for designing multi-modulation scheme software radio receiver.
首先介绍了两种软件无线接收机的数学模型，为多制式软件无线电接收机的设计提供了理论依据。
The braking mode control of reviving power-consumption of large momentum fly-wheel motor is discussed on the basis of pulse-modulated amplitude-modulation in this paper.
讨论具有大惯量飞轮负载的直流无刷、定于无铁芯电机，在脉宽调制调幅有源控制的基础上，完成再生能耗制动控制以及低速下转换到有源制动控制的主要技术问题。
The braking mode control of reviving power-consumption of large momentum fly-wheel motor is discussed on the basis of pulse-modulated amplitude-modulation in this paper.
讨论具有大惯量飞轮负载的直流无刷、定于无铁芯电机，在脉宽调制调幅有源控制的基础上，完成再生能耗制动控制以及低速下转换到有源制动控制的主要技术问题。
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