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P3.20. Consider an analog signal xa (t) = sin (2πt), 0 ≤t≤ 1. It is sampled at Ts = 0.01, 0.05, and 0.1 sec intervals to obtain x(n). b) Reconstruct the analog signal ya (t) from the samples x(n) using the sinc interpolation (use ∆ t = 0.001) and determine the frequency in ya (t) from your plot. (Ignore the end effects.) C) Reconstruct the analog signal ya (t) from the samples x (n) using the cubic spline interpolation and determine the frequency in ya (t) from your plot. (Ignore the end effects.)
標(biāo)簽： Consider sampled analog signal
上傳時(shí)間： 2017-07-12
上傳用戶：咔樂塢
In number theory, the Euclidean algorithm (also called Euclid s algorithm) is an algorithm to determine the greatest common divisor (GCD) of two elements of any Euclidean domain (for example, the integers). Its major significance is that it does not require factoring the two integers, and it is also significant in that it is one of the oldest algorithms known, dating back to the ancient Greeks.
標(biāo)簽： algorithm Euclidean Euclid number
上傳時(shí)間： 2017-07-17
上傳用戶：戀天使569
A digital filter structure for wideband filtering is proposed. It consists of two allpass filters and a linearphase FIR filter. One major advantage of this structure is that the allpass filters are functions of zM which implies that the maximal sample frequency is M times higher for this structure than for the corresponding conventional structures.
標(biāo)簽： structure filtering consists proposed
上傳時(shí)間： 2014-01-21
上傳用戶：weixiao99
This paper analyzes the vector control theory of asynchronous motors based on the magnetic orientation of motor rotors, and its mathematical model is made. Then the variable frequency vector speed-adjusting experimental system is built with the DSP TMS320F2812 which works as the core control chip and intelligent power module.
標(biāo)簽： asynchronous orientati the analyzes
上傳時(shí)間： 2013-12-08
上傳用戶：shinesyh
In this paper, a new method is introduced to implement chaotic generators based on the Henon map and Lorenz chaotic generators given by the state equations using the Field Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic generators. The new method is based on the MATLAB® Software, Xilinx System Generator, Xilinx Alliance tools and Synplicity Synplify.
標(biāo)簽： introduced generators implement chaotic
上傳時(shí)間： 2017-07-24
上傳用戶：qq521
This sample program generates two sine waves called X and Y. It will then calculate the normalized magnitude and phase of the two waveforms using the following formulas: Mag = sqrt(X^2 + Y^2)/sqrt(GainX^2 + GainY^2) Phase = (long) (atan2PU(X,Y) * 360) The program will prompt the user to change the gain and frequency of the X and Y waveforms.
標(biāo)簽： Y. normalized generates calculate
上傳時(shí)間： 2014-01-06
上傳用戶：123456wh
gmsk modulation of numerical data generated by a random source, the output of the modulator give two signals, the first is gmsk signal and the other is gaussien frequency pulse shape
標(biāo)簽： modulation generated numerical modulator
上傳時(shí)間： 2014-01-19
上傳用戶：dongbaobao
This is an example program showing how to use the LMX2326 chip. The program configures the chip and then prompts the user for a channel number. When the channel number is entered, the pll tunes to the desired frequency.
標(biāo)簽： program chip configures the
上傳時(shí)間： 2017-08-04
上傳用戶：小儒尼尼奧
Abstract—We describe a technique for image encoding in which local operators of many scales but identical shape serve as the basis functions. The representation differs from established techniques in that the code elements are localized in spatial frequency as well as in space.
標(biāo)簽： technique operators Abstract describe
上傳時(shí)間： 2014-01-23
上傳用戶：ruixue198909
本系統(tǒng)分電壓測(cè)量和信號(hào)產(chǎn)生輸出兩大部分，電壓測(cè)量部分以模擬電路為主，配合放大模塊、A/D轉(zhuǎn)化模塊、顯示模塊；通過凌陽單片機(jī)進(jìn)行數(shù)據(jù)處理，在誤差允許范圍內(nèi)顯示測(cè)量電壓值。信號(hào)產(chǎn)生以直接數(shù)字式頻率合成器(Direct Digital Frequency Synthesis,簡稱DDS或DDFS)為核心，經(jīng)過AT89S52對(duì)DDS芯片內(nèi)部進(jìn)行控制，使之輸出標(biāo)準(zhǔn)正弦波形，利用編程實(shí)現(xiàn)頻率預(yù)置、步進(jìn)，達(dá)到電壓輸出頻率的可調(diào)節(jié)步進(jìn)。通過調(diào)試與測(cè)量完成了題目的基本部分和全部發(fā)揮部分的要求并有自己的創(chuàng)新
標(biāo)簽： 分 信號(hào)產(chǎn)生 電壓測(cè)量
上傳時(shí)間： 2017-08-08
上傳用戶：comua
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