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 single power rail and ground. In the case ofa number of signals, the virtual ground can control channel DC errors when multiplexing or switching thesignals.
上傳時間: 2013-10-23
上傳用戶:wushengwu
概述 BL22P64可以作為許多中高檔小家電(如電磁爐、微波爐、豆漿機等)的控制芯片,這一類小家電通常都需要靈活的、可編程的控制方式,并需要AD、PWM等資源,同時滿足抗電磁干擾(EMC)4KV的要求。 主要特點 ●8位CISC型內核(兼容MotorolaHC05)●4KbyteOTPROM●208byteRAM●3組IO口(最多18個IOPIN)●1個PWM輸出●1個8位基本定時器●1個8位帶Match輸出的定時器●1個10位ADC(9路輸入)●2個外中斷、1個定時器中斷、1個PWM中斷●WATCHDOG●3V低壓復位●可選晶振/RC振蕩晶振400K-4MHzRC振蕩有3.2MHz(@5V,typ.)、0.5MHz(@5V,typ.)、外接電阻3種可選●工作電壓2.7-5.5V●工作溫度-40-85℃●封裝形式:SOP20/DIP20/SOP16
上傳時間: 2013-11-06
上傳用戶:DE2542
波長信號的解調是實現光纖光柵傳感網絡的關鍵,基于現有的光纖光柵傳感器解調方法,提出一種基于FPGA的雙匹配光纖光柵解調方法,此系統是一種高速率、高精度、低成本的解調系統,并且通過引入雙匹配光柵有效地克服了雙值問題同時擴大了檢測范圍。分析了光纖光柵的測溫原理并給出了該方案軟硬件設計,綜合考慮系統的解調精度和FPGA的處理速度給出了基于拉格朗日的曲線擬合算法。 Abstract: Sensor is one of the most important application of the fiber grating. Wavelength signal demodulating is the key techniques to carry out fiber grating sensing network, based on several existing methods of fiber grating sensor demodulation inadequate, a two-Match fiber grating demodulation method was presented. This system is a high-speed, high precision, low-cost demodulation system. And by introducing a two-Match grating effectively overcomes the problem of double value while expands the scope of testing. This paper analyzes the principle of fiber Bragg grating temperature and gives the software and hardware design of the program. Considering the system of demodulation accuracy and processing speed of FPGA,this paper gives the curve fitting algorithm based on Lagrange.
上傳時間: 2014-07-24
上傳用戶:caiguoqing
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 can be modified for improved operation at 433.92MHz, a frequency commonly used in Europe. Twoalternative Match and filter configurations are presented: one for optimizing drain efficiency, the other for achieving higher transmitpower. Features and capabilities of earlier Maxim industrial, scientific, and medical radio-frequency (ISM-RF) transmitters areprovided, allowing comparison of the MAX7060 to its predecessors. Several design guidelines and cautions for using the MAX7060are discussed.
上傳時間: 2013-11-14
上傳用戶:swaylong
波長信號的解調是實現光纖光柵傳感網絡的關鍵,基于現有的光纖光柵傳感器解調方法,提出一種基于FPGA的雙匹配光纖光柵解調方法,此系統是一種高速率、高精度、低成本的解調系統,并且通過引入雙匹配光柵有效地克服了雙值問題同時擴大了檢測范圍。分析了光纖光柵的測溫原理并給出了該方案軟硬件設計,綜合考慮系統的解調精度和FPGA的處理速度給出了基于拉格朗日的曲線擬合算法。 Abstract: Sensor is one of the most important application of the fiber grating. Wavelength signal demodulating is the key techniques to carry out fiber grating sensing network, based on several existing methods of fiber grating sensor demodulation inadequate, a two-Match fiber grating demodulation method was presented. This system is a high-speed, high precision, low-cost demodulation system. And by introducing a two-Match grating effectively overcomes the problem of double value while expands the scope of testing. This paper analyzes the principle of fiber Bragg grating temperature and gives the software and hardware design of the program. Considering the system of demodulation accuracy and processing speed of FPGA,this paper gives the curve fitting algorithm based on Lagrange.
上傳時間: 2013-10-10
上傳用戶:zxc23456789
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, PPP, SLIP, FDDI, Token Ring and null interfaces, and understands bpf filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop.
標簽: applying features network strives
上傳時間: 2014-01-15
上傳用戶:bcjtao
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 (which the model considers to be at index 4) so it s displayed as the first column — at view index 0. Since prepareRenderer gives us the view index, we need to translate the view index to a model index so we can be sure we re dealing with the intended column
標簽: convertColumnIndexToModel straightforward perhaps fairly
上傳時間: 2013-12-10
上傳用戶:it男一枚
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 JBossMQ, for JMS messaging, JBossTX, for JTA/JTS transactions, JBossCMP for CMP persistence, JBossSX for JAAS based security, and JBossCX for JCA connectivity. Support for web components, such as servlets and JSP pages, is providedby an abstract integration layer. Implementations of the integration service are provided for third party servlet engines like Tomcat and Jetty. JBoss enables you to mix and Match these components through JMX by replacing any component you want with a JMX compliant implementation for the same APIs.
標簽: integrates develops services leading
上傳時間: 2014-11-03
上傳用戶:wsf950131
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 shapefile consists of 41859 point features from 1996 GDT data, in decimal degrees. The table of zips that can be used in the batch Match consists of 38 records, entitled "few_zips.dbf". More specifcs are found at the top of each form and are provided throughout the code.
標簽: directory writeable Geocode project
上傳時間: 2013-12-19
上傳用戶:wangchong
程序接收鍵入的一個關鍵字和一個句子,若句子中不包含關鍵字,則顯示‘NO Match’;若句子包含關鍵字則顯示‘Match’,并把該關鍵字在句子中的位置用十六進制數顯示出來。程序以輸入CTRL+C退出
上傳時間: 2015-06-09
上傳用戶:qazxsw