试写出图11-5所示互联系统的系统函数的表达式.

A . A.化简函数表达式 B . B.列出真值表 C . C.说明给定电路的基本功能 D . D.根据最简输出函数表达式画出逻辑图

<img src='https://img2.soutiyun.com/ask/2020-12-23/977599049532788.png' />

已知某共射放大电路的波特图如图P5.3所示,试写出<img src='https://img2.soutiyun.com/ask/2021-01-09/979041595814278.png' />的表达式. <img src='https://img2.soutiyun.com/ask/2021-01-09/979041631071295.png' />

<img src='https://img2.soutiyun.com/ask/2020-06-19/961409058653551.png' />

根据图11.5.7(编程后的PAL电路)。写出O1、O2、O3的逻辑函数。 <img src='https://img2.soutiyun.com/ask/2020-06-19/961409306301715.jpg' />

<img src='https://img2.soutiyun.com/ask/2021-01-12/979315327663804.png' />

<img src='https://img2.soutiyun.com/ask/2020-12-29/97810908928229.png' />

写出图1-10和图1-11所示函数的解析表达式。 <img src='https://img2.soutiyun.com/ask/2021-01-12/979317127404743.jpg' />

(1)<img src='https://img2.soutiyun.com/ask/2020-04-22/95641902527227.png' />的平衡常数; (2) Hg2Cl2(s)的标准活度积常数<img src='https://img2.soutiyun.com/ask/2020-04-22/956419041562279.png' />。 (3)HBr(0.1mol·kg-1)溶液的离子平均活度系数γ±; (4) Ag2O(s) 的分解温度; (5)H2O(I)的标准摩尔生成Gibbs自由能; (6)弱酸HA的解离常数。

<img src='https://img2.soutiyun.com/ask/2020-12-24/977673048811995.png' />

<img src='https://img2.soutiyun.com/ask/2021-01-27/980612530576986.png' />

如题图4-4所示是一个实际的信号加工系统，试写出系统的频率特性H(jω)。 <img src='https://img2.soutiyun.com/ask/2020-07-10/963222090724447.png' />

写出图P2.6(a)、(b)所示电路的输出逻辑函数式. <img src='https://img2.soutiyun.com/ask/2020-12-23/977596733800336.png' />

<img src='https://img2.soutiyun.com/ask/2020-06-24/961856031143813.png' />

题11-5图(a)所示系统由均质圆盘与均质细杆铰接而成。已知圆盘半径为r，质量为M，质量为m。在图示水平位置杆的角速度为w，角加速度为a，圆盘的角速度，角加速度均为零，试求系统惯性力系向定轴O简化的主矢与主矩。 <img src='https://img2.soutiyun.com/ask/2020-12-17/977077564929829.png' />

写出图1-8(a)、(b)、(c)所示各波形的函数式. <img src='https://img2.soutiyun.com/ask/2020-11-30/975620217240802.png' />

图4-63所示反馈系统,其中<img src='https://img2.soutiyun.com/ask/2020-12-01/975677045415903.png' />以及F都为常数 <img src='https://img2.soutiyun.com/ask/2020-12-01/975677059632716.png' /> 写出系统函数<img src='https://img2.soutiyun.com/ask/2020-12-01/975677073835529.png' />求极点的实部等于零的条件(产生自激振荡).讨论系统出现稳定、不稳定以及临界稳定的条件,在s平面示意绘出这三种情况下极点分布图. <img src='https://img2.soutiyun.com/ask/2020-12-01/975677094980738.png' />

写出如图8-6所示离散系统的差分方程,并求系统函数H(z)及单位样值响应h(n). <img src='https://img2.soutiyun.com/ask/2020-12-01/975705976723679.png' />

<img src='https://img2.soutiyun.com/1/2020-10-20/972035165109066.png' />

已知函数L(A，B ，C，D)的卡诺图如图题2.4.2所示，试写出函数L的最简与或表达式。 <img src='https://img2.soutiyun.com/ask/2020-12-30/978170197548466.png' />

<img src='https://img2.soutiyun.com/ask/2021-01-22/980192802617851.png' />

试写出题3-4-2图所示图形的时间函数表达式f(t). <img src='https://img2.soutiyun.com/ask/2020-10-09/971112116188241.png' /><img src='https://img2.soutiyun.com/ask/2020-10-09/971112124441713.png' /> <img src='https://img2.soutiyun.com/ask/2020-10-09/971112136616409.png' />