Ngày tải lên: 26/05/2013, 21:28
... 2006 One of the UWB proposals in the IEEE P802.15 WPAN project is to use a multiband orthogonal frequency- division multiplexing (OFDM) system and punctured convolutional codes for UWB channels supporting ... inter-symbol interference (ISI) caused by multipath channels are equalization and orthogonal frequency- division multiplexing (OFDM) [4]. OFDM is a promising solution for efficiently capturing multipath ... May 2002. [4] L. J. Cimini Jr., “Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing, ” IEEE Transactions on Communications, vol. 33, no. 7, pp. 665– 675,...
Ngày tải lên: 22/06/2014, 22:20
Orthogonal Frequency Division Multiplexing - Phân chia tần số trực giao potx
Ngày tải lên: 11/07/2014, 20:21
Đồ án kỹ thuật điều chế OFDM ( orthogonal frequency division multiplexing )
Ngày tải lên: 16/10/2014, 21:48
Digital Television Techniquies Coded Orthogonal Frequency Division
Ngày tải lên: 09/07/2014, 08:16
Tài liệu Coarse Wavelength Division Multiplexing (CWDM) docx
... Coarse Wavelength Division Multiplexing (CWDM) Generate More Revenue with Less Fiber Here's How it Works In simple ... MDU/ BUSINESS Satellite Uplink F i b e r L i n e W a v e l e n g t h s The CWDM Advantage ADC Coarse Wave Division Multiplexing (CWDM) Solutions, part of the ADC’s Value-Added Module (VAM) family, add flexibility...
Ngày tải lên: 21/12/2013, 07:17
Tài liệu ADC Coarse Wavelength Division Multiplexing (CWDM) docx
... Page 2 ADC Coarse Wavelength Division Multiplexing CWDM VAM Module Ordering Guide and Information Catalog Number CW __ __ __ - __ ... EightChannelStandard1470nm,1490nm,1510nm,1530nm,1550nm,1570nm,1590nm, 1610with1310nmupgrade. Page 4 ADC Coarse Wavelength Division Multiplexing CWDM VAM Module Ordering Guide and Information Application #1: Ordering a MicroVAM ... nm 1530 nm 1510 nm 1330 nm Common Port or Input Optical Components Page 6 ADC Coarse Wavelength Division Multiplexing CWDM VAM Module Ordering Guide and Information CWDM Module Types WideVAM đ VMW UsedwithADC8"FCMandindustry- standard...
Ngày tải lên: 17/01/2014, 11:20
Báo cáo hóa học: "Research Article Block Interleaved Frequency Division " ppt
... the chunk resources, so-called frequency- adaptive (FA) transmission [9]. Adaptive Orthogonal Frequency Division Multiple Access (OFDMA) with a chunk-based Time Division Multiple Access (TDMA) ... equidistantly frequency- separated blocks, each consisting of a few subcarriers, are allocated to each user. A Discrete Fourier Transform (DFT) pre- coding step is performed on each Orthogonal Frequency- Division ... described in [13], also denoted as Interleaved Frequency Division Multiple Access (IFDMA) in the original paper [14]or Single-Carrier Frequency Division Multiple Access (SC- FDMA) with distributed...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article Practical Quantize-and-Forward Schemes for the Frequency Division Relay Channel" potx
... w rd (n), (2) where the notation is dened above. Orthogonality between the received cooperation signal y rd and direct signal y sd can be implemented by frequency division (FD). The optimal bandwidth allocation ... in this paper are quasistatic orthogonal relay channels for which orthogonality is defined accordingly to [1]. Since the source-destination channel is assumed to be orthogonal to the relay-destination ... pages doi:10.1155/2007/20258 Research Article Practical Quantize-and-Forward Schemes for the Frequency Division Relay Channel B. Djeumou, 1 S. Lasaulce, 1 and A. G. K lein 2 1 CNRS, Sup ´ el ´ ec,...
Ngày tải lên: 22/06/2014, 00:20
Khảo sát hệ thống DWDM (Dense Wavelength Division Multiplexing)
Ngày tải lên: 19/07/2014, 12:19
Báo cáo toán học: "A construction method for complete sets of mutually orthogonal frequency squares" pdf
Ngày tải lên: 07/08/2014, 06:20
Báo cáo hóa học: " Research Article Super-Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading" pdf
... the super -orthogonal block codes, namely, super -orthogonal space-time trellis-coded OFDM and super -orthogonal space -frequency trellis-coded OFDM. The simulation results reveal that super -orthogonal ... used to enhance the performance of space-time codes in frequency selective fading channels are the following: (i) orthogonal frequency division multiplexing, that is, multipath-induced intersymbol ... properly cited. Super -orthogonal block codes in space-time domain (i.e., Super -orthogonal space-time trellis codes (SOSTTCs)) were initially designed for frequency nonselective (FNS) channels but in frequency...
Ngày tải lên: 21/06/2014, 17:20
PRESENTATIONAL SKILL
... Allow each participant the opportunity to be involved with your presentation by giving all participants things to do during the presentation, such as greeting the person next to them or asking ... luận nào không? 9. Conduct a verbal survey. Make sure the entire room is benefiting from your presentation by asking them periodically during the program if they have any questions or comments. ... " PLEASE, GOD, DON'T LET ME BE BORING TRƯỜNG ĐẠI HỌC NÔNG LÂM THÀNH PHỐ HỒ CHÍ MINH PRESENTATIONAL SKILLS By Vo Van Viet 7. Lôi cuốn người nghe về vật lý (physically). Tạo...
Ngày tải lên: 17/08/2012, 10:32
Quan sát trình diễn ( Presentation Views
... diễn: Trên thanh công cụ chuẩn (Standard) mở rộng nút New và kích chuột vào Presentation. Trong thanh công cụ của Presentation kích chuột vào Create View. Chọn một file lắp ráp và một quan sát ... Tweak Sequences. Thanh công cụ Presentation chứa các công cụ để làm việc trong quan sát trình diễn. TT Nút lệnh Công cụ Chức năng Ghi chú 1 Create Presentation View Tạo quan sát ... khỏi chi tiết đòn gánh nh minh hoạ dới đây. - Để tháo lắp một chi tiết: Trong thanh công cụ Presentation kích chuột vào nút Tweak Component. Trong vùng đồ hoạ, chọn một hớng để tháo, sau...
Ngày tải lên: 27/08/2012, 13:54