'Pass band' diaporamas de présentation

Decibels, Filters, and Bode Plots

Decibels, Filters, and Bode Plots. OBJECTIVES. Develop confidence in the use of logarithms and decibels in the description of power and voltage levels.

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Lecture 2: February 27, 2007

Lecture 2: February 27, 2007. Topics:. 1. Introduction to Digital Filters. 2. Linear Phase FIR Digital Filter. Introduction. 3. Linear-Phase FIR Digital Filter Design: Window (Windowing) Method. Lecture 2: February 27, 2007. Topic:. 1. Introduction to Digital Filters.

989 views • 78 slides

Lecture 2: February 27, 2007

Lecture 2: February 27, 2007. Topics:. 1. Introduction to Digital Filters. 2. Linear Phase FIR Digital Filter. Introduction. 3. Linear-Phase FIR Digital Filter Design: Window (Windowing) Method. Lecture 2: February 27, 2007. Topic:. 1. Introduction to Digital Filters.

783 views • 78 slides

Active Filters

Active Filters. Filters. A filter is a system that processes a signal in some desired fashion. A continuous-time signal or continuous signal of x(t) is a function of the continuous variable t. A continuous-time signal is often called an analog signal .

2.88k views • 69 slides

Laboratory and Field Measurements of Environmental Stratified Flows

Stellar Hydro Days, 26-28 July, 2006 Los Alamos. Laboratory and Field Measurements of Environmental Stratified Flows. Marko Princevac July 28, 2006. Outline. Slope Flows Entrainment in Katabatic Current Eddy Diffusivity Waves vs. Turbulence Morning Inversion Break-up.

732 views • 63 slides

Laboratory and Field Measurements of Environmental Stratified Flows

Stellar Hydro Days, 26-28 July, 2006 Los Alamos. Laboratory and Field Measurements of Environmental Stratified Flows. Marko Princevac July 28, 2006. Outline. Slope Flows Entrainment in Katabatic Current Eddy Diffusivity Waves vs. Turbulence Morning Inversion Break-up.

634 views • 63 slides

ENTC 3320

ENTC 3320. Active Filters. Filters. A filter is a system that processes a signal in some desired fashion. A continuous-time signal or continuous signal of x(t) is a function of the continuous variable t. A continuous-time signal is often called an analog signal .

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International Collaboration Joint NCREE/JRC Workshop Earthquake Disaster Mitigation Research Methodologies, Facilities, Projects and Networking 17-18 November 2003, Taipei, Taiwan.

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IMPEDANCE TRANSFORMERS AND TAPERS

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IMPEDANCE TRANSFORMERS AND TAPERS

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What makes a DX receiver great? Understanding receiver specs

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Power Dividers and Directional Couplers

Power Dividers and Directional Couplers. Divider or coupler. Divider or coupler. Power combining. Power division . Four-Port Network (Directional Couplers). Assume all ports are matched. 1. 2. Input. Through or direct. Isolated. Coupled. 4. 3. Directional Coupler.

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MECH 373 Instrumentation and Measurements

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Chelmsford Amateur Radio Society Advanced Course (7) EMC Part-2 - The Cures

Chelmsford Amateur Radio Society Advanced Course (7) EMC Part-2 - The Cures. Balanced Antenna. Morse Key Use Key Click Filter. Balun (if Coax Feed). Restrict Mic Audio Bandwidth. Coax or Balanced Feeder. Do Not Over-Modulate Transmitter. ATU. Filter:- LPF for HF or BPF for VHF/UHF.

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Filters

Filters. A filter is basically a frequency selective circuit designed to pass specific band of frequencies and block or attenuate input signals outside this band. Visit for more Learning Resources. Classification of filters. Depending on signal nature :

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MECH 373 Instrumentation and Measurements

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CO 2

272 views • 17 slides

Line codes

Line codes. There are several line codes can be used for the electrical representation of binary data stream Many codes are available Only five codes will be considered in these slides A more detailed line codes can be found in reference books. Basic line codes. Unipolar NRZ. Polar NRZ.

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Equalization

Equalization. Changing the curve. What is an EQ?. An Equalizer Is generally a frequency-specific amplifier Is made up of filters (passive or active) Is one of the most powerful tools an engineer has. A bit more about frequency.

251 views • 12 slides

Equiripple Filters

Equiripple Filters. A filter which has the Smallest Maximum Approximation Error among all filters over the frequencies of interest:. Define :. where. Fact: filters with the smallest maximum deviation from ideal characteristic are equiripple . . . same ripple.

237 views • 9 slides