Phương pháp support vector machines lý thuyết và ứng dụng

... CHUYÊN ĐỀ: SẮC KÝ (CƠ SỞ LÝ THUYẾT VÀ ỨNG DỤNG) Sample Mobile phase Detector t1 t2 t3 t4 Detector signals t0 t0 t1 t2 t3 t4 Time A ĐẠI CƯƠNG VỀ PHƯƠNG PHÁP SẮC KÝ (Chromatography) Được ... CƯƠNG VỀ PHƯƠNG PHÁP SẮC KÝ (Chromatography) B Sắc ký khí (Gas-Liquid Chromatography) Sắc ký khí Gas-Liquid Chromatography (GLC) Gas Chromatography (GC)  Bốc mẫu  Tách cấu tử cột nhờ vào phân .....

Ngày tải lên: 01/04/2014, 09:21

... codec: 64 kbps PCM (ITU-T G.711), 32 kbps ADPCM (ITU-T G.726), 16 kbps LD-CELP (ITU-T G.728), and kbps conjugate structure algebraic-code-excited linear prediction (CS-ACELP, ITU-T G.729) However, ... or O-QPSK as the modulation format IS-95-A [12] standard has been developed for a digital cellular system, operating at 800 MHz band ANSI J-STD-008 [13] being an up-banded variation of IS-95 ......

Ngày tải lên: 01/07/2014, 20:20

... technologies ranging from analogue to digital cellular, like AMPS, IS-95 CDMA and IS-136 TDMA and low-tier PCS such as Cordless Telephone-2 (CT-2), Digital Enhanced Cordless Telecommunications (DECT) to ... 0.05 0.1 0.15 0.2 0.25 0.3 q (radian) Lrts (6-C) Lrts (6-A) −30 −40 Figure 2.6 Comparison Lrts values from (6-A) and (6-C) 44 Propagation Models for Wireless Local Loops classified in te...

Ngày tải lên: 01/07/2014, 20:20

... Commun Engineering J., vol 10, no 5, pp 229±235, Oct 1998 [19] `ATM Radio-in-the-Local-Loop (RL/A),' in Proceedings of the Wireless Broadband Communications Workshop, 1997, Brussels, Belgium, Sep ... kbps air-interface and 13 kbps codecs (voice coders) The extended CDMA system uses a 76.8 kbps air-interface and works with higher quality codecs at 16 and 32 kbps In each up- and down-link the...

Ngày tải lên: 01/07/2014, 20:20

... Finite-Difference Time Domain technique [12,13] The performance analysis of the combined system is carried out through the evaluation of signal-to-quantization noise ratio versus signal-to-noise ... consideration, a computer simulation based on Finite-Difference-Time Domain (FD-TD) [12] technique is adopted The Finitedifference-Time Domain (FD-TD) formulation is a convenient tool for solving...

Ngày tải lên: 01/07/2014, 20:20

... Wide-band Code Division Modulation (W-CDMA) is selected for the physical radio layer because it has many of the attributes needed for wireless systems to be more competitive in the above-mentioned ... market by converting the one-way cable TV systems to two-way The conversion cost is $400±600 per customer for and incumbent operator and several times more for a start-up system [2] This brief...

Ngày tải lên: 01/07/2014, 20:20

... 3.5 Time delay [micro-seconds] 4.5 Example average time-domain impulse response with omni-directional transmitter in suburban environment with no movement 130 Wide-band Wireless Outdoor to Indoor ... buildings in suburban environments as well as down-town Helsinki The measurements in the 120 Wide-band Wireless Outdoor to Indoor Local Loop Channel Models m-sequence generator r(t) c(t) unkn...

Ngày tải lên: 01/07/2014, 20:20

... between multiple wireless conversations [10] Its bandwidth is much wider than that required for simple point-to-point communications at the same data rate because it uses noise-like carrier waves ... multiple service class system 7.4.2.1 Single-Cell and Single-Class Capacity The error rate of digital transmission systems only depends on the signal-to-noise ratio Respectively the Carrier to...

Ngày tải lên: 01/07/2014, 20:20

... [%] Figure 8.16 14 45 50 Mean SNR values FCA-cluster 12 DCA DCA-Asym Grade of Service [%] 12 10 DCA-ARQ DCA-PC DCA-Narrowbeam FCA-cluster DCA-Narrowbeam-PC 0 10 15 20 25 30 35 40 45 Traffic offer ... RNTs fixed length signalling period Broadcast-phase signalling period Downlink-phase signalling period Uplink-phase time Rand.-acc transceiver turn-around interval Figure 8.2 Structure of the ......

Ngày tải lên: 01/07/2014, 20:20

... Axis qFS-U,k qFS-BS,k FS-ML dF W S-BS HFS ,k d E S FSU, k S, -B d FS A rFS d FS-U rF ,k B-Cell S-U,k k r -B BS A r S, Tier of cell 'B' ,K r FS-U FS BS ,A -B S, FS-ML antenna location kth u - -BS,k ... asynchronous operation may be performed Coherent spreading-code tracking Fast transmit power control on both mobile-to-cell-site and cell-site-to-mobile links Adaptive power control is used...

Ngày tải lên: 01/07/2014, 20:20

... MAC&DLC processor T-FR CTL R-FR baseband processor AP R-FR video TE (MPEG II) MAC&DLC processor STA CTL baseband processor T-FR RF RF STA R-FR baseband processor CTL RF T-FR R-FR voice TE (PCM) ... Transport (Wireless TCP) AAL SAAL ATM Data Link Control Data Link Control Medium Access Control (wireless) Medium Access Control (wireless) Physical (wireless) Physical (wireless) Wireless Inter...

Ngày tải lên: 01/07/2014, 20:20

... 3333333 Off-Hook Dial Tone Off-Hook Ring-Back Tone 10 Ring Back Termination Ringing Off-Hook 10 Ringing Termination 11 Conversation 12 On-Hook 12 On-Hook Figure 11.10 The wireline to wireless ... 3333333*7654321*4444444 Off-Hook Off-Hook Off-Hook Dialing Call Release 3333333*4444444 Dial Tone Ringback Tone 10 On-Hook Figure 11.12 The intra-BS call signalling procedure handset ... Figure 11....

Ngày tải lên: 01/07/2014, 20:20

... channel selected for the down-line-load channel by the BSC It contains all the information necessary by the FSUs to decide if they will participate in the down-line-load process DLL Trailer MessageÐThis ... The key functional characteristics of the remote upgrade or down-line-load (DLL) mechanism are: Broadcast By the virtue of the wireless transmission medium, broadcast is used for simulta...

Ngày tải lên: 01/07/2014, 20:20

... rẽ hơn, nhanh Sử dụng phương pháp quản lý dự án phương pháp hoạch định quản lý khác để quản lý triển khai ý tưởng cải tiến Sử dụng kỷ thuật thống kê để đánh giá hiệu việc cải tiến Bước bao gồm: ... có chất lượng dịch vụ ngành ngân hàng Để đạt mục tiêu trên, ngân hàng tiến hành cải tiến quy trình để đem lại lợi ích cho khách hàng Ngân hàng mạnh...

Ngày tải lên: 07/08/2014, 10:14

... 18 April 2012 PHƯƠNG PHÁP NGHIÊN CỨU LECTURE TỔNG QUAN VỀ NGHIÊN CỨU KHOA HỌC 18 April 2012 NỘI DUNG CHÍNH • Nghiên cứu khoa học gì? • Lý thuyết khoa học NCKH • Quy trình nghiên cứu 18 April 2012 ... đề cụ thể kinh doanh, mục đích kinh doanh, mục đích mục đích xây dựng kiểm mục đích xây dựng kiểm định lý thuyết KH) định lý thuyết KH) 18 April 2012 NGHIÊN CỨ...

Ngày tải lên: 10/02/2015, 14:04