PPT-Sampling Theory and Practice: 50 Ways to Sample your Signal

Martin Vetterli EPFL amp UC Berkeley BOAT WAKE Pete Turner 1 Acknowledgements Sponsors and supporters NSF Switzerland thank you Conference organizers Akihiko Sugiyama in particular. Basic Terms. Research units – subjects, participants. Population of . interest (all humans?). Accessible . population – those you can actually try to sample. Intended . sample – those you select for participation. (PCM and DM). 1. The advantages offered by digital modulation . Performance . Digital pulse modulation permits the use of regenerative repeaters, when placed along the transmission path at short enough distances, can practically eliminate the degrading effects of channel noise and signal distortion. . A Brief Overview. With slides contributed by. W.H.Chuang. and Dr. . . Avinash. L. Varna. Ravi . Garg. Sampling Theorem. Sampling: record a . signal. in the form of . samples. Nyquist. Sampling Theorem: . Big Question: How do you know when you have collected enough data and done it appropriately?. Today’s Agenda. Tips and Tricks. Article Review Discussion. Assignment for Feb 24. Sampling Review. Observation Approaches (Qualitative/ Quantitative) and Practice. J. D. Johnston. Factotum. An . Audio Company. THERE IS ONE RULE IN THIS TALK. If you don’t get what’s going on:. ASK A QUESTION!. DO NOT WAIT. But first, a word from our sponsor, the Shannon Sampling Theorem. -Sampling & Designs of Surveys Experiments. Objective. : . To understand the various types of experimental designs and techniques. Warm-up. Various claims are often made for surveys. Why is each of the following claims incorrect?. ADC Types. EE174 – SJSU. Tan Nguyen. A continuous-time signal . x. (. t. ) with frequencies no higher than . f. max. can be reconstructed from its samples . x. [. n. ] = . x. (. nT. s. ) if the samples are taken at a proper sampling frequency . CIS 465. Multimedia. Fundamentals of Audio Signals. Two signals of different amplitudes. A greater amplitude represents a louder sound.. Fundamentals of Audio Signals. Two signals of different frequencies. BPT2423 – STATISTICAL PROCESS CONTROL. CHAPTER OUTLINE. Fundamental Concepts. Types of Sampling Plans. Single, Double, Multiple and Sequential. Statistical . Aspects. Lot-By-Lot . Acceptance Sampling Plans for Attributes. How do we represent a continuously variable signal digitally?. Sampling. Sampling rate – number of measurements per unit time. Sampling depth or . quantization . – number of gradations by which the measurement can be recorded. x(t. ). x~(t. ). Sound is audible in 20 Hz to 20 kHz range:. . f. max. = 20 kHz and the Nyquist rate 2 . f. max. = 40 kHz . What is the extra 10% of the bandwidth used?. Rolloff. from passband to stopband in the magnitude response of the anti-aliasing filter. as your field technicians.. Jeff Martin, Astrea Taylor, . & Nancy Zikmanis. Next Phase of the Project Life Cycle. PLANNING:. . SAMPLING:. . ASSESSMENT:. EVALUATION: . Plan for data collection using the DQO . 7. Introduction. In . a typical statistical inference problem, you want to discover one or more characteristics of a given population. .. However, it is generally difficult or even impossible to contact each member of the population.. EUS 210. Types of Dielectric. Mineral Oil . Polychlorinated biphenyls (PCBs). Silicone-based or Fluorinated Hydrocarbons. Natural and Synthetic Esters. Air. Why Do We Sample the oil. In-Service Electric Transformer:.