LECTURE 15: Data

Chia sẻ: Do Xuan | Ngày: | Loại File: PDF | Số trang:7

lượt xem

LECTURE 15: Data

Mô tả tài liệu
  Download Vui lòng tải xuống để xem tài liệu đầy đủ

Signals: In a communication system, data are propagated from one point to another by means of electromagnetic signals. A signal is a series of analogue or digital data. That is a varying voltage (either continuous or discrete) with time in an electronic communication system. Definitions of Data and Signals: Analog Data - Data represented by a continuous physical quantity whose magnitude is proportion a suitable function of the data (information). It can have more than two discrete values in contrast to digital data. ...

Chủ đề:

Nội dung Text: LECTURE 15: Data

Đồng bộ tài khoản