Based on the analyses of point to point millimeter wave communication system, we study and design the modulation and demodulation.
在分析毫米波点对点通信系统的基础上,研究和设计了其中的调制解调部分。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
相同频率调制比和幅度调制比的情况下,对调制波信号的不同采样点分布可以得到不同的SVM波形。
From the point of view of the modulation of RPPM, chaotic signal with stochastic characteristics is introduced as its modulation, which has the good performance just like the random signal.
从随机脉位调制脉冲多普勒雷达信号调制角度出发,又引入了具有类随机性的混沌信号作为其基本调制信号,性能与采用随机信号相接近。
By utilizing the LED and light way of the instrument and employing PFM modulation, it can transmit voice from the master of the instrument to measuring point.
该装置利用光电测距仪的光源和测量光路,采用PF M调制,来完成测量主机到测量站的话音通信。
From this point, M-ary Quadrature Amplitude modulation (MQAM), MultiCarrier modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
从这一点出发,多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。
In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
脉内调制类型识别是雷达侦察的关键技术之一,特别是低信噪比下的脉内调制识别技术是当前研究的热点。
In this paper, we start from the energy point of view, use AM-FM modulation model and formant frequency, to remove the vocalic interference which vast majority of energy in the useful speech.
本文从能量角度入手,利用调频-调幅模型和共振峰特征,滤除混叠在有用语音中的含绝大部分能量的元音干扰。
As the key point of expression modulation in prokaryotic and eukaryotic cells, the protein phosphorylation and dephosphorylation may help reveal the status of the life system at the molecular level.
蛋白质磷酸化和去磷酸化作为原核和真核细胞表达调控的关键环节,了解其对功能的影响可以深入理解生命系统在分子水平的调控状况。
The experimental principle of electro-optical modulation is introduced. The work-point choosing methods used in the electro-optical modulation experiment are explained theoretically.
介绍了晶体电光调制实验的原理,给出了两种调节电光调制器工作点的方法,并从理论上对两种方法进行了解释。
At the same time, it introduces the definition of spatial distance, and establishes a multi-point to one point optimal signal detection theory according to the relationship of modulation mapping.
同时引入空间距离的概念,根据调制映射关系,建立起多对一的最优信号检测理论。
A new depth retrieval algorithm based on the model of Gaussian point spread function is proposed, which uses the Gaussian distribution to interpolate the modulation to obtain the accurate depth map.
以高斯模型为基础,根据调制度分布曲线的特征,设计了一种新的高度恢复算法—高斯曲线拟合法。
The centrobaric method was used to determine the position with the maximum modulation value of fringes and the position was used as the point of zero light path difference.
采用重心法确定干涉条纹调制度的最大值位置,并以此作为零光程差位置。
Oscillation modulation circuit which can provide the signal carrier with stable frequency is the key point in the subject.
本课题重点在于设计能给发射机电路提供稳定频率的振荡调制电路。
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
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