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电源技术 电源调整与虚拟地
Abstract: Rail splitting is creating an artificial virtual ground as a reference voltage. It is used to set the signalto match the op amp's "sweet spot." An op amp has the most linear- and distortion-free qualities at that sweetspot. Typically, the sweet spot occurs near the center between the ...
单片机编程 8位OTP单片机芯片BL22P64
概述
BL22P64可以作为许多中高档小家电（如电磁炉、微波炉、豆浆机等）的控制芯片，这一类小家电通常都需要灵活的、可编程的控制方式，并需要AD、PWM等资源，同时满足抗电磁干扰（EMC）4KV的要求。
主要特点
●8位CISC型内核（兼容MotorolaHC05）●4KbyteOTPROM●208byteRAM●3组IO口（最多18个IOPIN）●1个PWM输出●1个8位 ...
教程资料 基于FPGA的光纤光栅解调系统的研究
 波长信号的解调是实现光纤光栅传感网络的关键，基于现有的光纤光栅传感器解调方法，提出一种基于FPGA的双匹配光纤光栅解调方法，此系统是一种高速率、高精度、低成本的解调系统，并且通过引入双匹配光栅有效地克服了双值问题同时扩大了检测范围。分析了光纤光栅的测温原理并给出了该方案软硬件设计，综合考虑系统的解 ...
无线通信 MAX7060的ASK_FSK的ISM射频发射机
Abstract: This application note illustrates the flexibility of the MAX7060 ASK/FSK transmitter. While the currently available evaluationkit (EV kit) has been optimized for the device's use in a specific frequency band (i.e., 288MHz to 390MHz), this document addresseshow the EV kit circuitry ca ...
可编程逻辑 基于FPGA的光纤光栅解调系统的研究
 波长信号的解调是实现光纤光栅传感网络的关键，基于现有的光纤光栅传感器解调方法，提出一种基于FPGA的双匹配光纤光栅解调方法，此系统是一种高速率、高精度、低成本的解调系统，并且通过引入双匹配光栅有效地克服了双值问题同时扩大了检测范围。分析了光纤光栅的测温原理并给出了该方案软硬件设计，综合考虑系统的解 ...
Internet/网络编程 ngrep strives to provide most of GNU grep s common features, applying them to the network layer. ngr
ngrep strives to provide most of GNU grep s common features, applying them to the network layer. ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions to match against data payloads of packets. It currently recognizes TCP, UDP and ICMP across Ethernet, ...
Applet The code is fairly straightforward, except perhaps for the call to convertColumnIndexToModel. That c
The code is fairly straightforward, except perhaps for the call to convertColumnIndexToModel. That call is necessary because if the user moves the columns around, the view s index for the column doesn t match the model s index for the column. For example, the user might drag the Vegetarian column (w ...
Java书籍 JBoss, one of the leading java Open Source groups, integrates and develops these services for a full
JBoss, one of the leading java Open Source groups, integrates and develops these services for a full J2EE-based implementation. JBoss provides JBossServer, the basic EJB container, and Java Manage Preface 18 Great Events of the Twentieth Centuryment Extension (JMX) infrastructure. It also provides J ...
GPS编程 Unzip this file into a writeable directory. You should end up with a "Geocode" project, as well as
Unzip this file into a writeable directory.
You should end up with a "Geocode" project, as well as Bitmaps and TestData directories.
This sample geocodes single-match zip codes, entered by the user, or a batch-match of a table of zips (and other info) against a point shapefile.
The point data sh ...
汇编语言 程序接收键入的一个关键字和一个句子
程序接收键入的一个关键字和一个句子，若句子中不包含关键字，则显示‘NO MATCH’；若句子包含关键字则显示‘MATCH’，并把该关键字在句子中的位置用十六进制数显示出来。程序以输入CTRL+C退出