The phrase "as the primary system" is correct and usable in written English.
It can be used when referring to a main or central system in a particular context, such as technology, processes, or organizational structures.
Example: "In our new software architecture, we will be implementing cloud services as the primary system for data storage."
Alternatives: "as the main system" or "as the central system".
The miniature TDCR system is intended for on-site monitoring and will not require as high a performance as the primary system.
Either the AP or MIMD could serve as the primary system, but could hand off jobs it could not handle efficiently to the other system.
The first architecture aims at secondary ISM band use, considering IEEE802.11a/g as the primary system.
In this paper, we take the achievable secrecy rate as the primary system performance metric.
Performance of WSN as well as the primary system is quantified in terms of average received signal to noise ratio.
It is assumed that the secondary system follows the same radio protocols (e.g., coding, synchronization) as the primary system.
Although direct primaries were used as early as the 1840s, the primary system came into general use only in the early 20th century.
Californians have tried in the past to remake the primary system, as recently as 2004, and failed.
The secondary system transmits signals after detecting a spectrum hole or share the same frequency band with the primary system as long as the caused interference from the secondary system to the primary system is below a threshold.
Specifically, for effective vibration mitigation, we show that the NLTVA should feature a nonlinearity possessing the same mathematical form as that of the primary system.
Mainly two types of absorbers are considered: the tuned absorber having the natural frequency same as that of the primary system and the high-frequency absorber with the natural frequency higher than that of the primary system.
