The phase characteristics and performance characteristics of a pneumatically driven split-type Stirling cryocooler are studied by combining the parameters such as charging pressure, resonance frequency of the displacer, operating frequency.
本文通过充气压力、推移活塞固有频率、运行频率等参数的组合,研究了气动分置式斯特林制冷机的相位特性和性能特性。
The result proves that the error bit ability of the system can be raised when the tamed spread spectrum is adopted.
介绍了软扩频系统的基本原理和编码 ,实现框图 ,分析比较了软扩频系统和一般直扩频系统在给定的加性高斯白噪声信道条件下的误比特性能。