The phrase "a sharp signal" is correct and usable in written English.
It can be used in contexts where you are describing a clear, strong, or distinct signal, often in technical or metaphorical discussions.
Example: "The researchers were pleased to observe a sharp signal in the data, indicating a significant change in the experiment."
Alternatives: "a clear signal" or "a strong signal".
When the molecules reach peak rotation, they form a sharp signal response.
A principal intention, however, was to send a sharp signal to North Korea to dismantle its nuclear weapons program, they said.
A sharp signal distribution and a large peak-to-peak signal window of 730 mV at 1.8 V on the test device with 0.20 μm2 area capacitors using three-level Cu metallization on 32 Mb Chain FeRAM™ are obtained.
A concerted international move in June to release oil stockpiles to stabilize world prices in response to the unrest in Libya sent a sharp signal to the Organization of the Petroleum Exporting States that its power to dictate oil prices was on the wane.
Additional signals occurred in the sugar region between 3.03 and 3.45 ppm, including a sharp signal at 3.18 ppm.
If the dollar started to slip against the other two, that would send a sharp signal that Washington was doing something wrong.
Notably, the corresponding raw data (i.e. residual strains) produce a sharper signal for yield via a transition in their global behavior.
At 298 K, the P{H} NMR spectrum of compound 1 shows two signals in a 1 7 ratio, but on heating to 360 K a single sharp signal is observed at δ=34 ppm.
What makes Raman spectroscopy unique is that "you get a very sharp signal back, unlike [with] fluorescence, where you get a broad spectrum of energy," Gambhir says.
In solvate V an extra sharp signal at 49.8 was assigned to methanol.
A sharp anodic signal in the forward scan followed by a cathodic peak (associated with the reduction of the oxidation product of HMNA) in the reverse scan produced a counter oxidation signal in the positive realm of glassy carbon electrode.
