相干调制 meaning in Chinese
coherent modulation
modulation coherence
Examples
- To attain reliable high data rate transmission over uwa channels , phase - coherent technology and adaptive equalization technology are selected as major research issue . the main content in this paper are as follows : 1 . a11 kinds of linear and nonlinear adaptive equalization and typical arithmetic are studied elaborately
本文以克服多途干扰这一主要矛盾，实现高数据率、高可靠性的水声通信为出发点，以相位相干调制和自适应均衡等技术为主要研究内容，所做的工作主要如下几个方面： 1 - Simulation results demonstrate theoretical derivation is correct and both sequences can be used in communication . based on the presented ds / sfh communication scheme , and employing msk as fh spread spectrum modulation , the performance is studied n the presence of partial band multitone jamming and additive white gaussian noise ( awgn )
根据所提出的混合ds sfh扩频通信系统方案，采用msk相干调制，在假设直接序列扩频后信号带宽等于跳频间隔的情况下，推导了系统在部分频带多频干扰和加性白噪声下的误比特率公式。 - And their performances are compared by simulation . the realization of phase - coherent modulation is studied , especially the carrier recovery . in order to improve the system performance , we consider a receiver which performs optimal phase synchronization and channel equalization jointly
本文详尽的研究了线性和非线性自适应均衡器的横向结构和典型算法( lms和rls ) ，对其性能进行了仿真比较；对相位相干调制解调技术的实现，尤其是载波恢复的方法进行研究，将载波恢复系统和自适应均衡器的参数调整联合起来，从而提高相干水声通信系统的性能。