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无线通信 数字卫星设备控制兼容的天线供电系统设计
Abstract: This application note discusses a design for a phantom antenna power-supply system compatible with theDigital Satellite Equipment Control (DiSEqC) communication standard, using the MAX16948 automotive dual, highvoltageLDO/switch. The presented application circuit provides a remote antenn ...
测试测量 微电脑型单相交流集合式电表(单相二线系统)
微电脑型单相交流集合式电表(单相二线系统) 特点: 精确度0.25%满刻度±1位数 可同时量测与显示交流电压,電流,頻率,瓦特,(功率因數/視在功率) 交流電壓,電流,瓦特皆為真正有效值(TRMS) 交流電流,瓦特之小數點可任意設定 瓦特單位W或KW可任意設定 CT比可任意設定(1至999) 輸入與輸出絕緣耐压 2仟伏特/1分鐘( 突波測 ...
视频教程 Arduino 328控制板制作音乐
   要生产音频脉冲,只要算出某一音频的周期(1/频率),可以利用定时器计时的方式得到此频率的脉冲。而Arduino平台“封装”了新的数字输出函数tone()。更简易的实现喇叭和蜂鸣器唱歌。
tone(pin, frequency),Arduino会向指定pin发送制定频率的方波,执行noTone()函数来停止。
tone(pin, frequenc ...
人工智能/神经网络 Locally weighted polynomial regression LWPR is a popular instance based al gorithm for learning c
Locally weighted polynomial regression LWPR is a popular instance based al gorithm for learning continuous non linear mappings For more than two or three in puts and for more than a few thousand dat apoints the computational expense of pre dictions is daunting We discuss drawbacks with previous ...
人工智能/神经网络 遗传算法(Genetic Algorithm, GA)是近几年发展起来的一种崭新的全局优化算法
遗传算法(Genetic Algorithm, GA)是近几年发展起来的一种崭新的全局优化算法,它借
用了生物遗传学的观点,通过自然选择、遗传、变异等作用机制,实现各个个体的适应性
的提高。这一点体现了自然界中"物竞天择、适者生存"进化过程。1962年Holland教授首次
提出了GA算法的思想,从而吸引了大批的研究者,迅速推广到优化、搜 ...
其他 BNB20 Finds the constrained minimum of a function of several possibly integer variables. % Usage: [
BNB20 Finds the constrained minimum of a function of several possibly integer variables.
% Usage: [errmsg,Z,X,t,c,fail] =
% BNB20(fun,x0,xstatus,xlb,xub,A,B,Aeq,Beq,nonlcon,settings,options,P1,P2,...)
%
% BNB solves problems of the form:
% Minimize F(x) subject to: xlb <= x0 <=xub
% A*x <= B ...
文件格式 Streaming refers to the ability of an application to play synchronised media streams like audio and
Streaming refers to the ability of an application to play synchronised media streams like audio and video streams in a continuous way while those streams are being transmitted to the client over a data network.
人工智能/神经网络 Boosting is a meta-learning approach that aims at combining an ensemble of weak classifiers to form
Boosting is a meta-learning approach that aims at combining an ensemble of weak classifiers to form a strong classifier. Adaptive Boosting (Adaboost) implements this idea as a greedy search for a linear combination of classifiers by overweighting the examples that are misclassified by each classifie ...
其他书籍 From helping to assess the value of new medical treatments to evaluating the factors that affect ou
From helping to assess the value of new medical treatments to evaluating the
factors that affect our opinions and behaviors, analysts today are finding
myriad uses for categorical data methods. In this book we introduce these
methods and the theory behind them.
Statistical methods for categorical re ...
SQL Server Of the password is: Server: "1." Client: + for the month of the date of the machine. Such as
Of the password is:
Server: "1."
Client: + for the month of the date of the machine. Such as "2005/08/05", compared with the number "85"
Database: "xzxq".
I made the changes:
1, stations and customer-service once every 30 seconds to exchange information (to ensure continuous line)
2, co ...