(有关FFT测试的详情,请参阅“e FFT:Fundamentals and Concepts,” Tektronix, Inc., 070-1754-00,Production Group 45, rst printing December 1975.) 单音FFT 信噪比(SNR, dB) 信噪比(SNR)指信号均方根振幅与除前六个谐波和直流之外的所有频谱分量均方根和之比。随着输入电平的降低,SNR往往按分贝线性递减。
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Building an Intelligent Society : The Impact of NPUs on Smart Factories, Robotics and Surveillance Systems The Fundamentals of Smart Manufacturing – Steps to make your factory intelligent New Brochure from Avnet Abacus: Molex High-Power Solutions for Demanding Applications ...
Building an Intelligent Society : The Impact of NPUs on Smart Factories, Robotics and Surveillance Systems The Fundamentals of Smart Manufacturing – Steps to make your factory intelligent New Brochure from Avnet Abacus: Molex High-Power Solutions for Demanding Applications ...
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Electronic Fundamentals William B.Ribbens, inUnderstanding Automotive Electronics (Eighth Edition), 2017 Comparator One of the important circuits involving op-amps is the so-called analogcomparator. The basic operation of ananalog comparatoris the generation of binary-valued voltages that switch between ...
BEAMFORMING FUNDAMENTALS Figure 2 and Figure 3 provide a simple illustration of a wavefront received by four antenna elements from two different directions. The electrical beam is steered 45º to the left, toward the desired transmitter, by inserting time delays in the receive paths, and then ...
Graupner, S. Getzlaff, J. Schreiter, and R. Schuffny. A New Hierarchical Simulator for Highly Parallel Analog Processor Arrays. In R. Merker and W. Schwarz, editors, System De- sign Automation - Fundamentals, Principles, Methods, Examples, Seiten 176-182. Kluwer Academic Publishers, 2000....
for systems whose specifications are expressed in frequency and power. Our purpose here, and in future articles, will be to take a fairly informal overview of some of the fundamentals, with an emphasis on tracing the sometimes complex relationship between component performance and system performance....