"undoubted advantage" is correct and usable in written English.
You can use it to indicate a clear advantage that cannot be disputed. For example, "The undoubted advantage of this system is that it requires less maintenance than its competitors."
The undoubted advantage of this approach is the ability to use diffusion and heat transfer theory to solve the problems posed.
I think this is probably complete nonsense, and not just because alternative legal tools are available: The Foreign Intelligence Surveillance Act, for example, is tried and true and has the undoubted advantage, for officials genuinely interested in catching suspected terrorists and putting them on trial, of having withstood many challenges under the Fourth Amendment.
In this regard, the method of ophtalmodynamometry (ODM) of the central retinal vein has an undoubted advantage.
The problem is that with the undoubted advantages of modern technology comes the disadvantage of disconnection.
This paper, in spite of their undoubted advantages and importance, focuses on some deficiencies of GIS.
Despite its undoubted advantages, such an approach can introduce certain modeling errors.
The barriers faced by new competitors are also relatively low, despite the undoubted advantages for firms first into a market.
An extensive experimental study shows undoubted advantages of the DREM-based frequency estimator in comparison to the classical gradient approach.
"There is a reluctance to share more widely (and thus to dilute) the undoubted advantages of a private education," he writes.
Despite the undoubted advantages of wind energy in terms of carbon and fossil fuel savings, there has been an increasing public awareness for landscape preservation.
The application of fuel cell technology to aircraft propulsion and/or auxiliary energy supply is becoming of great interest for undoubted advantages in terms of pollution emissions, noise reduction and lower dependency on oil price and availability.
