The phrase "a spectrum of users" is correct and usable in written English.
It can be used to describe a diverse range of users with varying needs, preferences, or characteristics in a particular context, such as technology or services.
Example: "Our new software is designed to cater to a spectrum of users, from beginners to advanced professionals."
Alternatives: "a range of users" or "a variety of users".
A spectrum of user services, including a hierarchical file organization, sharing of information in core memory, dynamic linking of subroutines and data, parallel processing, and device independent input output facilities, characterizes the system and contributes to a complexity that makes careful instrumentation mandatory.
We have designed the atlases to run on a standard computer and mobile platforms (including iPad [34] and Android-based [35]) in order to make them affordable to a wide spectrum of users ranging from a layman to researcher to medical student to clinician.
It takes control out of the hands of a few decision makers and distributes across a broad spectrum of users around the world.
Many wearables appear to have abandoned any pretense of appealing to a broad spectrum of users, but I'd expect more from a company like Fitbit that has already had a broader cross-gender appeal.
Access to radiological expert knowledge for a broad spectrum of users – from students to senior radiologists – is a continuous challenge in a routine clinical setting of a university hospital.
New methods based on innovative technological models could provide a system to exchange information at lower costs and with a wider spectrum of users.
The process is suitable for a wide spectrum of users who are considering the energy potential for either a grid-tied or off-grid wind energy system.
Retrieval and reanalysis of publicly available data allow the development of automated pipelines to ensure a broad spectrum of users can execute rapid, homogeneous and reproducible analyses across a large number of datasets, addressing novel and specific questions.
A web application returning the predicted class and a confidence measure for a given observation was developed permitting the use of this tool by a broad spectrum of users, from biologist to technicians.
