echo signal

USAGE SUMMARY

The phrase "echo signal" is correct and usable in written English.
It can be used in contexts related to telecommunications, audio processing, or signal processing, where it refers to a reflected or repeated signal. Example: "The echo signal caused interference during the call, making it difficult to hear the other person."

✓ Grammatically correct

Science

Encyclopedias

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

Based on solid-state electronics, they provide a very natural sound with slight degradation of the echo signal.

WikiHow

Lyapunov exponents are used to identify the echo signal of the weak UGW.

Measurement

The minimum power of echo signal that the circuit system can identify is 3 uw.

Optik - International Journal for Light and Electron Optics

The signal is reflected off a target and detected by the receiver as the echo signal.

Advances in Imaging and Electron Physics

Colour coding of the signal indicated on the PPI is sometimes used to provide additional information about the echo signal.

Britannica

A weak echo signal from a target might be as low as 1 picowatt (10−12 watt).

Britannica

Characterization of gradient echo signal decays in healthy and cancerous prostate at 3T improves with a Gaussian augmentation of the mono-exponential (GAME) model.

Harvard University

The angular direction of a target is found from the direction in which the antenna points at the time the echo signal is received.

Britannica

Human-verified similar examples from authoritative sources

Similar Expressions

3 human-written examples

To improve the quality of ultrasound strain imaging, chirp-coded pulse excitation which can enhance echo signal-to-noise ratio (eSNR) was used.

Biomedical Signal Processing and Control

The relations between the characteristics of the obtained impact-echo signal and the mechanical properties of concrete subjected to high temperature were presented as regression curves.

Construction and Building Materials

TE, the echo time, is the time between the 90° radiofrequency excitation pulse and the formation of the spin-echo signal.

BMC Plant Biology

Expert writing Tips

Best practice

When discussing signal processing in technical documents, use "echo signal" to specifically denote a reflected or repeated signal. This term is widely recognized in fields like radar, sonar, and telecommunications.

Common error

Avoid using "echo signal" to describe general background noise or unwanted interference. An echo signal specifically refers to a signal that has been reflected or repeated, not just any unwanted signal.

Linguistic Context

The phrase "echo signal" functions primarily as a noun phrase, typically used as the subject or object of a sentence. It refers to a signal that has been reflected or repeated. As Ludwig AI indicates, it is usable in written English and its examples showcase its application in various scientific and technological contexts.

Expression frequency: Very common

Frequent in

Science

75%

Encyclopedias

9%

Academia

8%

Less common in

Wiki

5%

News & Media

2%

Formal & Business

1%

Ludwig's WRAP-UP

In summary, "echo signal" is a grammatically sound and frequently used noun phrase, primarily within scientific and technical domains. Ludwig AI confirms its correct usage, as evidenced by numerous examples drawn from reputable sources. The phrase refers specifically to a signal that has been reflected or repeated. While alternatives like "reflected signal" exist, "echo signal" is the preferred term in contexts involving signal processing, radar, sonar, and similar technologies. Common usage involves technical documentation, academic papers, and discussions related to signal analysis and detection, requiring attention to potential confusion with general noise.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

reflected signal

Focuses on the signal's reflection rather than its origin as an echo.

return signal

Emphasizes the signal's return to the source after interaction.

response signal

Highlights the signal as a response to an initial transmission.

backscatter signal

Specifically refers to signals scattered back towards the source.

radar echo

Narrows the context to radar technology.

sonar return

Specifies the context as sonar technology.

reflected wave

Uses 'wave' instead of 'signal', emphasizing the wave nature of the echo.

secondary pulse

Describes the echo as a secondary or subsequent pulse.

feedback signal

Implies a closed-loop system where the signal is fed back.

reverberated signal

Emphasizes the reverberation aspect, suggesting multiple reflections.

FAQs

How is an "echo signal" used in radar technology?

In radar, an "echo signal" is the reflected signal that returns from a target. By analyzing the characteristics of this signal, such as its time of arrival and intensity, information about the target's distance, speed, and size can be determined.

What's the difference between an "echo signal" and a "reflected signal"?

While the terms are closely related, "echo signal" typically implies a distinct repetition or return of a signal due to reflection. The term "reflected signal" is more general and can refer to any signal that has undergone reflection.

In what contexts is it appropriate to use the term "echo signal"?

The term "echo signal" is appropriate in contexts related to telecommunications, radar, sonar, ultrasound imaging, and audio processing, where the analysis of reflected or repeated signals is crucial.

What are some techniques to improve the signal-to-noise ratio of an "echo signal"?

Techniques to improve the signal-to-noise ratio include signal averaging, filtering, and the use of chirp-coded pulse excitation, which enhances the detectability of the "echo signal" against background noise.