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Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency as part of the process of delta-sigma analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). Delta-sigma modulation achieves high quality by utilizing a ...
V-mail. V-mail, short for Victory Mail, was a hybrid mail process used by the United States during the Second World War as the primary and secure method to correspond with soldiers stationed abroad. To reduce the cost of transferring an original letter through the military postal system, a V-mail letter would be censored, copied to film, and ...
December 8, 1968 (aged 73) San Antonio, Texas, U.S. Alma mater. Howard University. Occupation (s) Actress and Teacher. Known for. Founder of Delta Sigma Theta. Myra Lillian Davis Hemmings (August 30, 1895 – December 8, 1968) was an American actress and teacher, and a founder of Delta Sigma Theta Sorority, Incorporated.
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Delta Sigma Theta. Delta Sigma Theta Sorority, Inc. (ΔΣΘ) is a historically African American sorority. The organization was founded by college-educated women dedicated to public service with an emphasis on programs that assist the African American community. Delta Sigma Theta was founded on January 13, 1913 by twenty-two women at Howard ...
The list of Delta Sigma Phi members includes notable people who are or were once a member of the Delta Sigma Phi fraternity. This is a dynamic list and may never be able to satisfy particular standards for completeness.
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