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Description: This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. -This is a model of a QPSK modulation system f or transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC
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Size: 15826 |
Author: xiaoying |
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Description: This paper examines the asymptotic (large sample) performance
of a family of non-data aided feedforward (NDA FF) nonlinear
least-squares (NLS) type carrier frequency estimators for burst-mode
phase shift keying (PSK) modulations transmitted through AWGN and
flat Ricean-fading channels. The asymptotic performance of these estimators
is established in closed-form expression and compared with the
modified Cram`er-Rao bound (MCRB). A best linear unbiased estimator
(BLUE), which exhibits the lowest asymptotic variance within the family
of NDA FF NLS-type estimators, is also proposed.
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Size: 165458 |
Author: 吴大亨 |
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Description: This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. -This is a model of a QPSK modulation system f or transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC
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Size: 15360 |
Author: xiaoying |
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Description: This paper examines the asymptotic (large sample) performance
of a family of non-data aided feedforward (NDA FF) nonlinear
least-squares (NLS) type carrier frequency estimators for burst-mode
phase shift keying (PSK) modulations transmitted through AWGN and
flat Ricean-fading channels. The asymptotic performance of these estimators
is established in closed-form expression and compared with the
modified Cram`er-Rao bound (MCRB). A best linear unbiased estimator
(BLUE), which exhibits the lowest asymptotic variance within the family
of NDA FF NLS-type estimators, is also proposed.
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Size: 164864 |
Author: 吴大亨 |
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Description: iphone 31天开源工程中的第一个，一个精美的计时器-Just like any good programmers we decided to bite this off the same day Apple lifted the NDA even faced with the time constraints. Needless to say the first app will be VERY simple, however it does demonstrate some stuff I stumbled on the first time I started coding against the iPhone SDK.
The app is "Minutes to Midnight" it is simply a countdown of the time left I have to finish this app before tomorrow :). This idea came from my friend Chris Craft who committed (and completed!) 30 day of Windows Mobile development.
To get started fire up xCode and
* Click: File->New Project.
From the "New Project" dialog
* Select: iPhone OS->Applications-> View-Based Application
* Name It: I named mine "MinutesToMidnight"
This project already has a UIView we that will be the main view of or application. I imagine a count down looking like a plastic alarm clock which of cource counts backwards to zero. Let make our text have a red LED look and our back
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Size: 9216 |
Author: blueseaineye |
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Description: Atmel公司推出了最新的加密芯片AT88SC0104C~25616C系列，专门用于电子产品加密。该类芯片具有协议认证和数据密文传送等功能。-The included specifications contain Atmel Confidential information and are distributed only under NDA. This specification is not to be copied or distributed beyond the assigned individual/corporation without the written consent of Atmel.
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Size: 74752 |
Author: zzjw |
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Description: Atmel公司推出了最新的加密芯片AT88SC0104C~25616C系列，专门用于电子产品加密。该类芯片具有协议认证和数据密文传送等功能。-The included specifications contain Atmel Confidential information and are distributed only under NDA. This specification is not to be copied or distributed beyond the assigned individual/corporation without the written consent of Atmel.
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Size: 6144 |
Author: zzjw |
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Description: 大三写的课程论文,DNA计算机的发展及NDA计算机的前景-DNA
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Size: 18432 |
Author: 周 |
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Description: QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.
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Size: 15360 |
Author: ranbowang |
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Description: c# hakkı nda biş eyler
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Size: 763904 |
Author: hebelek |
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Description: Delphi hakkı nda string grid ö rnekleri
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Size: 54272 |
Author: kuzu |
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Description: QAM信号的信噪比估计算法，不用多描述了，前些年用处很广的，现在也有跟进研究。-SNR estimation algorithm for QAM signals, no more description, a wide use in previous years, but now there are follow-up study.
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Size: 284672 |
Author: WTO |
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Description: AT指令9.0英文原版
1.INTRODUCTION
2.AT COMMADNS FEATURES
3.GENERAL BEHAVIORS
4.GENERAL COMMANDS
5.CALL CONTROL COMMANDS
6.NETWORK SERVICE COMMANDS
7.SECURITY COMMANDS
8.PHONEBOOK COMMANDS
9.SHORT MESSAGES COMMANDS
10.SUPPLEMENTARY SERVICES COMMANDS
11.DATA COMMANDS
12.FAX COMMANDS
13.FAX CLASS 2 COMMANDS
14.V24-V25 COMMANDS
15.SPECIFIC AT COMMANDS
16.SIM TOOLKIT
17.OTHER AT COMMANDS
18.APPENDICES
19.APPENDIX A(INFORMATIVE)
20.APPENDIX B:SUPPORT OF SIM TOOLKIT BY THE M.E
21.APPENDIX C:STRUCTURE OF TERMINATE PROFILE
22.APPENDIX D:COMMAND TYPE AND NEXT ACTION INDICATOR
23.APPENDIX E:CODING OF ALPHA FIELDS IN THE SIM FOR UCS2
24.APPENDIX F:SPECIFICATION OF POWER DOWN CONTROL VIA RS232
25.APPENDIX G:EXECUTION CONDITIONS AND SIM DEPENDENCE OF AT COMMANDS-AT commands interface
This document is the property of WAVECOM, and is transferred to ________ under the
conditions of the active Non-Discloseure
Agreement dated _____. Use of this document is subject to the terms of this NDA.This document will be returned to WAVECOM under request.
Version: 9.0
ATI Version: 61
Date: July 26th 2001
Reference:WCOM/GSM/SW/SII015.D90
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Size: 1267712 |
Author: 刘晓东 |
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Description: 传奇引擎 传奇引擎 传奇引擎 传奇引擎 传奇引擎 -Lege nda ry e ngine Leg en dar y en gineL eg en da r y eng ine
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Size: 20950016 |
Author: mirevil |
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Description: Atheros AR9280 Reference
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Size: 1482752 |
Author: filzek |
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Description: Mikrodenetleyicilerle Dijital Islemler Modülünün süresi, amacı , hangi ö grencilerin
bu modülden yaralanacagı gibi bilgiler EK-10’ da verilmistir. Günümüzde pek ç ok
is, yapı sı nda mikroislemci bulunan makineler ile gerç eklestirilir. Mikroislemci
(CPU) ile kontrol edilen sistemlerde RAM, Bios, I/0 ünitesi gibi ek birimlere ihtiyaç
duyulur.-Mikrodenetleyicilerle Dijital Islemler Modülünün süresi, amacı , hangi ö grencilerin
bu modülden yaralanacagı gibi bilgiler EK-10’ da verilmistir. Günümüzde pek ç ok
is, yapı sı nda mikroislemci bulunan makineler ile gerç eklestirilir. Mikroislemci
(CPU) ile kontrol edilen sistemlerde RAM, Bios, I/0 ünitesi gibi ek birimlere ihtiyaç
duyulur.
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Size: 46080 |
Author: ilkay |
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Description: Documentation for LMS6002D single chip transceiver
This documentation is released by Lime Microsystems for the benefit of open-source community. You re free to use it without signing an NDA with Lime Microsystems as long as you develop and open-source project.
Official web-site of Lime Microsystems: http://www.limemicro.com
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Size: 43008 |
Author: Eugene |
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Description: This is a paper about ti Battery Management Solutions High Cell Count & Emerging.
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Size: 1213440 |
Author: sky |
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Description: Chipset documentation available under NDA only driver for Linux.
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Size: 5120 |
Author: sdawwq |
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Description: gns simülasyon programı nda routing protokol uygulamaları
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Size: 143360 |
Author: fullstop1027 |
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