USB规范，特别是USB2.0高速规范，其中重点介绍了USB HUB规范

　介绍了暖通空调系统(HVAC) 故障检测与诊断(FDD) 的概念,发生故障的原因以及主要的故障检测与诊断方 法,比较了常用的故障检测与诊断方法的优缺点,分析了国内、外暖通空调故障检测与诊断的研究现状和应用情况,对暖 通空调故障检测与诊断的发展过程与方向进行了总结和展望-Introduction of the HVAC system (HVAC) fault detection and diagnosis (FDD) concept, the reasons for failure as well as major fault detection and diagnosis methods, compared the commonly used method of fault detection and diagnosis of the strengths and weaknesses, analyzes the domestic and foreign HVAC Fault Detection and Diagnosis Research and application of HVAC Fault Detection and Diagnosis with the direction of the development process are summarized and prospects

三点不等距插值就是三点之间的距离不同-3:00 interpolation is not equidistant between the three different distances

在c#中调用rpt，实现c#的打印 打印格式必须固定 打印时调用这个打印格式-in c# Calling rpt achieve c# Print Print Print format must be fixed when the call Print format

详细介绍DDS的基本工作原理，并给出实际中常用的几款芯片的使用方法。-DDS detailed introduction of the basic working principle, and gives several commonly used in the actual use of the chip.

宽带放大器析评。2003全国大学生电子设计竞赛一等奖。有用的朋友请下载-An Analysis of broadband amplifiers. 2003 National Undergraduate Electronic Design Contest first prize. Friend please download useful

一个在C++Builder下运行的录音程序，录音的格式是WAV-One in C++ Builder run under the recording program, recording format is WAV

perl语言学习必备，也可以为学习者在实际应用过程出现的问题，给矛解答-perl language learning must also be learners for practical application in the process, to answer spear

PSOC的使用教程，详细讲述了PSOC的使用方法，特别适合初学者使用-PSOC use tutorial, a detailed account of the PSOC use, especially suitable for beginners to use

OFDM信道估计算法仿真,统计无线OFDM系统信道估计算法的误码率。-The channel estimation of OFDM system and error rate caculation.

电脑扫雷源程序,非常实用有趣,对游戏开发者有很大作用-Computer mine source, very practical fun, the game developers have a significant role