The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
From inside the book
Results 1-3 of 54
Page 238
... signal , the I sig- nal is allotted 1.5 megahertz , while the Q signal is restrict- ed to only 0.5 megahertz . To conserve spectrum , vestigial modulation is used for the I signal , giving the lower side band the full 1.5 megahertz ...
... signal , the I sig- nal is allotted 1.5 megahertz , while the Q signal is restrict- ed to only 0.5 megahertz . To conserve spectrum , vestigial modulation is used for the I signal , giving the lower side band the full 1.5 megahertz ...
Page 239
... signal to a digital format involves the steps of sam- pling , quantization , and binary encoding . These steps ( described in the article TELECOMMUNICATIONS SYSTEMS ) result in a digital signal that requires many times the bandwidth of ...
... signal to a digital format involves the steps of sam- pling , quantization , and binary encoding . These steps ( described in the article TELECOMMUNICATIONS SYSTEMS ) result in a digital signal that requires many times the bandwidth of ...
Page 241
... signal , full amplification being accorded to a weak signal and less to a strong signal . After passage through the intermediate am- plifiers , the sound and picture carriers and their side bands reach a relatively fixed level of about ...
... signal , full amplification being accorded to a weak signal and less to a strong signal . After passage through the intermediate am- plifiers , the sound and picture carriers and their side bands reach a relatively fixed level of about ...
Other editions - View all
Common terms and phrases
20th century adult Africa anemia Anseriformes antibodies antigens areas Asia behaviour bill birds blood group bodhisattva body Bolivia bone boxing Brazil Brazilian breeding broadcasting bryophytes Buddha Buddhist building called Caprimulgiformes centimetres central centre China clotting colonial colour countries cuckoos cultural developed disease display early eggs electrons Eocene falconiforms Family feathers feeding feet female flight forest fossil frequency genera genus gruiform hemoglobin important incubation Indian insects islands known legs Mahāyāna major male marrow metres molt monks nest normal North America owls pair Pāli parrots passerines patterns pelecaniforms penguins percent perch period Piciformes pigeons plasma platelets plumage political population produced programs protein radio red cells region river São Paulo sexes short signal South species sporangium structure Suborder tail television Theravada tion tissue toes tradition trees tropical tube usually Vajrayāna wings woodpeckers World young