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VCO790-2560KY 数据资料DataSheet下载
VCO790-2560KY 数据资料DataSheet下载

Introduction to Digital Modulation
Introduction to Digital Modulation

... Example 2 Find the number of voltage levels which can represent an analog signal with a. 8 bits per sample b. 12 bits per sample ...
Triangle to Sine Conversion (Nonlinear Function Fitting)
Triangle to Sine Conversion (Nonlinear Function Fitting)

ECE 3442 Exam #1 - My FIT (my.fit.edu)
ECE 3442 Exam #1 - My FIT (my.fit.edu)

MTR_Pedro_WP2 - Indico
MTR_Pedro_WP2 - Indico

...  simulation must be done N times. Source:[2] ...
accurate measurement of the mains frequency
accurate measurement of the mains frequency

The Series RLC Circuit: Group Worksheet Intro Part 1: Resistive
The Series RLC Circuit: Group Worksheet Intro Part 1: Resistive

... calculate VR using I=VR/R. Calculate the reactance of both the inductor and the capacitor using the calculated current equations (3) and (5). Calculate the phase angle from equation (8). Show calculations. Compare the phase angle to phasor diagram simulation. ...
Phase Locked Loop Design for Optical Wireless
Phase Locked Loop Design for Optical Wireless

...  After that the synthesized signal is used as the clock signal of data buffer or First-In FirstOut (FIFO) data buffer to drive out the data signal. ...
Design and Simulation of Frequency Divider by Negative Differential
Design and Simulation of Frequency Divider by Negative Differential

crystal-controlled
crystal-controlled

... BJT amplifier can usually obtain higher oscillating frequency than using standard operational amplifier. In this case the high frequency hybrid - model [1] must be used to properly model the transistor behavior. ...
pgt110 * multimedia technology
pgt110 * multimedia technology

Control Gear Selection
Control Gear Selection



Introduction
Introduction

BASIC ELECTRICITY
BASIC ELECTRICITY

Unit 2 Signals
Unit 2 Signals

Experiment 16: DC and AC Operating Point Analysis of an RF
Experiment 16: DC and AC Operating Point Analysis of an RF

RC coupled amplifier
RC coupled amplifier

Lec - KFUPM Faculty List
Lec - KFUPM Faculty List

... 1. LINEAR TIME-INVARIANT FILTERS-8-10 The processes of shaping the signal pulse from a radiation detector can be thought of as a filtering operation. For example, we have seen that the CR differentiator is equivalent to a high-pass filter in the frequency domain. Most (If the puIs" shxping op.-!ra' ...
Pulse Generator HM8035
Pulse Generator HM8035

... digital circuit stimulus in the laboratory and the field. Key features are the short rise time output, better than 3ns and typically 2ns and the flexibility of pulse duration and duty cycle from square-wave through to narrow, sliver-type pulses. Rise and fall time remain constant while the pulse wid ...
Ch14_PPT_Fund_Elec_Circ_5e (1)
Ch14_PPT_Fund_Elec_Circ_5e (1)

Introduction to the Oscilloscope - Physics and Physical Oceanography
Introduction to the Oscilloscope - Physics and Physical Oceanography

ppt
ppt

Exp-1 - WordPress.com
Exp-1 - WordPress.com

ZTEC Expands ZT450 Family, Adds Six New
ZTEC Expands ZT450 Family, Adds Six New

< 1 ... 93 94 95 96 97 98 99 100 101 ... 114 >

Chirp spectrum



The spectrum of a chirp pulse describes its characteristics in terms of its frequency components. This frequency-domain representation is an alternative to the more familiar time-domain waveform, and the two versions are mathematically related by the Fourier transform. The spectrum is of particular interest when pulses are subject to signal processing. For example, when a chirp pulse is compressed by its matched filter, the resulting waveform contains not only a main narrow pulse but, also, a variety of unwanted artifacts many of which are directly attributable to features in the chirp's spectral characteristics. The simplest way to derive the spectrum of a chirp, now computers are widely available, is to sample the time-domain waveform at a frequency well above the Nyquist limit and call up an FFT algorithm to obtain the desired result. As this approach was not an option for the early designers, they resorted to analytic analysis, where possible, or to graphical or approximation methods, otherwise. These early methods still remain helpful, however, as they give additional insight into the behavior and properties of chirps.
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