信号与系统陈后金版习题解答
另外本网提供大学各专业教材各册不同版本作者主编的课后习题参考答案。
信号与系统陈后金版习题解答Tag内容描述:<p>1、课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网 课后答案网 www.khdaw.com www.khdaw.com 课后答案网。</p><p>2、信号与系统 陈后金等编 作业参考解答 第 1 页 共 27 页 信号与系统 作业参考解答 第一章 第一章 P16 17 1 3 设 1 tf和 2 tf是基本周期分别为 1 T和 2 T的周期信号 证明 21 tftftf 是周期为 T的周期信号的条件为 TnT。</p><p>3、信号与系统信号与系统 第四版 第四版 习题解析习题解析 高等教育出版社 2007 年 8 月 目目 录录 第第 1 章习题解析章习题解析 2 第第 2 章习题解析章习题解析 6 第第 3 章习题解析章习题解析 16 第第 4 章习题解析。</p><p>4、1 2 解 1 3 解 各系统响应与输入的关系可分别表示为 1 8 解 因为f t 由线性关系 则 由线性系统的微分特性 有 故响应 2 1 解 由图示 有 又 故 从而得 2 3 解 a 和 b 的波形如图p2 3所示 2 5 解 1 td t 1 d t 1 2 3 4 2 7 解 由图 a 有 即 当uS t d t 则冲激响应 则电压冲激响应 对于图 b RC电路 有方程 即 当iS d。</p><p>5、1,2,3,(c) S is time-varying.,4,5,Solution :,6,If a=1, contains only threediscontinuities.,7,8,9,10,2.20. Evaluate the following integrals:,11,2.22,12,13,Or,14,15,16,(a),17,18,Solution :,the impulseresponse,19,20,We have not enough information to determine the output,21,22,(a),23,(b。</p><p>6、Homework:3.1 3.13 3.15 3.34 3.35 3.43*,3.1,3.13 Consider a continuous-time LTI system,3.35,For what values of k is guaranteed that,3.34 Consider a continuous-time LTI systemFind the Fourier series representation of the outputfor each of the following inputs :,(c) is the periodic wave depicted in Figure P3.34,3.43 (a),odd harmonic,is odd harmonic,(i),is odd harmonicsketch and find its,is even harmonic,(c),Could T be the fundamental perio。</p><p>7、Homework:6.5 6.23 6.27,7.1 7.2 7.3 7.6 7.9,8.1 8.3 8.22 8.28,6.5 Consider a continuous-time ideal bandbass filter whose frequency response is,If is the impulse response of this filter, determine a function such that,(b) As is increased, does the impulse response of the filterget more concentrated or less concentrated about the origin?,Solution,(b) It will get more concentrated about the origin.,(a),(b)。</p><p>8、作业:,1.14 1.15 1.16 1.171.21 (d) (e) (f) 1.22 (d) (g)1.23 1.24 (a) (b) 1.26 (a) (b) 1.27 1.31,1.14,1.15,Solution,(b) No,(b),Is this system invertible?No.,1.17,(a) No.,Yes.,Is this system causal?Is this system linear?,1.21. A continuous-time signal x(t) is shown in Figure P1.21.Sketch and label carefullyeach of the following signals:,1.22,1.23 Determine and sketch the even part of the signal.,1.24 Determine and sketch the even。</p><p>9、Homework:3.1 3.13 3.15 3.34 3.35 3.43*,3.1,3.13 Consider a continuous-time LTI system,3.34 Consider a continuous-time LTI systemFind the Fourier series representation of the outputfor each of the following inputs :,(c) is the periodic wave depicted in Figure P3.34,3.35,For what values of k is guaranteed that,3.43,odd harmonic,is odd harmonic,(a),is odd harmonicsketch and find its,is even harmonic,(c),Could T be the fundamental period for。</p><p>10、CHAP331ACONTINUOUSTIMEPERIODICSIGNALXTISREALVALUEANDHASAFUNDAMENTALPERIODT8THENONZEROFOURIERSERIESCOEFFICIENTSFORXTAREJAA4,231EXPRESSXTINTHEFORMCOS0KKTATXSOLUTIONFUNDAMENTALPERIOD8T02/4000000000331133244COS8INJKTJTJTJTJTKJTJTJTJTXAEAEAE32ADISCRETETIMEPERIODICSIGNALXNISREALVALUEDANDHASAFUNDAMENTALPERIODN5THENONZEROFOURIERSERIESCOEFFICIENTSFORXNARE,10A4/2JE4/2JEA3/42JEAEXPRESSXNINTHEFORMSIN10KKANXSOLUTIONFOR,10A4/2JE4/2JEA3/42JEA3/4JNNJKNKENX/2。</p><p>11、Signal and System Chap 3 3.1 A continuous-time periodic signal x(t) is real value and has a fundamental period T=8. The nonzero Fourier series coefficients for x(t) are . Express x(t) in the form Solu。</p><p>12、Signal and System Chap 6 6.1 Consider a continuous-time LTI system with frequency response and real impulse response h(t). Suppose that we apply an input to this system .The resulting output can be sh。</p>