acoustic communication system
1Underwater acoustic communication — is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common is using hydrophones. Under water communication is difficult due to factors like multi path propagation, time… …
2Communication with submarines — is difficult because radio waves do not travel well through thick electrical conductors like salt water. The obvious solution is to surface and raise an antenna above the water, then use ordinary radio transmissions. Early submarines had to… …
3Frog hearing and communication — Frogs and toads produce a rich variety of sounds, calls, and songs during their courtship and mating rituals. The callers, usually males, make stereotyped sounds in order to advertise their location, their mating readiness and their willingness… …
4Acoustic neuroma — DiseaseDisorder infobox Name = Acoustic neuroma ICD10 = ICD10|C|72|4|c|69 ICD9 = ICD9|225.1 ICDO = ICDO|9560|0 Caption = OMIM = MedlinePlus = 000778 eMedicineSubj = ent eMedicineTopic = 239 DiseasesDB = 100 MeshID = D009464 An acoustic neuroma,… …
5communication — I (New American Roget s College Thesaurus) Act of communicating ideas Nouns 1. communication, intercourse, conversation, speech, writing, correspondence; message, tidings, news(see information). 2. communicator, messenger, nuncio; herald, crier,… …
6warning system — ▪ military technology Introduction in military science, any method used to detect the situation or intention of an enemy so that warning can be given. Because military tactics from time immemorial have stressed the value of surprise… …
7nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …
8Nonverbal communication — is usually understood as the process of communication through sending and receiving wordless (mostly visual) messages. Messages can be communicated through gestures and touch (Haptic communication), by body language or posture, by facial… …
9animal communication — Transmission of information from one animal to another by means of sound, visible sign or behaviour, taste or odour, electrical impulse, touch, or a combination of these. Most animal communication uses sound (e.g., birds calling, crickets… …
10Human-animal communication — is easily observed in everyday life. The interactions between pets and their owners, for example, reflect a form of spoken, while not necessarily verbal, dialogue. A dog being scolded does not need to understand every word of its admonishment,… …
