Dual mode microstrip bandpass square open loop filters

... conventional dual mode resonators Figure 1-2 Dual mode resonator [2] with small patch and its frequency response Figure 1-3 Open loop dual mode resonator and its frequency response Figure 1-4 Open ... and odd mode analysis DUAL MODE RESONATOR USING COUPLED LINES 30 34 41 3.1 Introduction 41 3.2 Coupled lines Loop Resonator 43 3.3 Closed Coupled Inner Loop 46 3.4 In...

Ngày tải lên: 04/10/2015, 17:06

... size on the performmance of microstrip patch-type tag antennas for passive RFID, IEEE, vol4 (2005) [3] Woosung Lee, Kihun Chang, Young Joong Yoon, Small RFID tag antenna with bandwidthenhanced ... Choi, Dualband Dipole antenna for ISO 18000-9/ISO 18000-4 passive RFID tag application [5] David M Pozar, Microwave Engineering, John Willey & Son, INC, Second Edition [6] Prof Phan A...

Ngày tải lên: 22/03/2014, 09:20

... for 3G mobile handsets in Vietnam [6] This is the starting point for the design of the 4G-LTE antenna described in this paper In this paper, a dual-band, omni-directional microstrip antenna for ... Compact dual-band monopole antenna for lte mobile phones Loughborough Antennas & Propagation Conference, pages 593–596, November 2010 [2] T Hariyadi D Sugianto Design of micro...

Ngày tải lên: 13/08/2015, 10:00

... types of dummy EBG patterns that are etched effectively on the feedline connecting the two patches of a dual array patch antenna These dummy EBG patterns are compact and small in size These patterns ... the bandwidth of patch antennas In this thesis, we improve the bandwidth of a dual array patch antenna designed at 14.8 GHz by etching three dif...

Ngày tải lên: 01/10/2015, 11:39

... describing function (DF) analysis [14] The DF of the relay function and the equivalent gain can be given as follows: Analysis of Closed-Loop Performance for Sliding Mode Control Systems N (a) = kn(DF ... with the presence of parasitic dynamics Analysis of Closed-Loop Performance for Sliding Mode Control Systems 59 or switching imperfections, and t...

Ngày tải lên: 01/07/2015, 09:37

... Processor Unit HDSL Central Office Module HDSL Repeater Module HDSL Remote Module HDSL Remote Module (with simplex and local power) HDSL Remote Module (with idle code support) HDSL 819 Repeater Module ... HDSL Dual Repeater Applications Equipment Requirements Carriers can easily extend their HDSL loop distances to 36,000 feet by simply adding the latest version Son...

Ngày tải lên: 24/01/2014, 10:20

... this subject Microstrip Filters for RF/ Microwave Applications offers a unique and comprehensive treatment of RF/ microwave filters based on the microstrip structure, providing a link to applications ... see also Advanced RF/ microwave filters, Bandpass filters, Bandstop filters, Compact filters, Highpass filters, Lowpass filters analysis, 320 miniaturization, 37...

Ngày tải lên: 04/07/2014, 05:45

... View on SlideShare Like this ? Why not share! Share Email     [Slide] Bài tập lớn Thông tin Quang  [Slide] Bài tập lớn Thông tin Quang  by The Nguyen Manh 42 views [Báo cáo] Bài tập lớn Thông tin vô  ...  by The Nguyen Manh 74 views [Báo cáo] Bài tập lớn Thông tin số:  [Báo cáo] Bài tập lớn Thông tin số:  by The Nguyen Manh 118 views Hướng dẫn viết báo cáo chuẩn ­ HUST  Hướng dẫn viết báo c...

Ngày tải lên: 20/10/2015, 18:22

... OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499 Open Distributed Automation and Control Open Distributed Automation and Control with IEC 61499 with IEC 61499 • • • • ... JHC/2001-04-03 p 17 OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499 Open Distributed Automation and Control Open Distributed Automation an...

Ngày tải lên: 20/08/2012, 11:15

... response or IIR) Filters carried out by convolution can have far better performance than filters using recursion, but execute much more slowly The next six chapters describe digital filters according ... filters according to the classifications in Table 14-1 First, we will look at filters carried out by convolution The moving average (Chapter 15) is used in the time domain, the...

Ngày tải lên: 13/09/2012, 09:50

... 15-1 shows a program to implement the moving average filter 100 'MOVING AVERAGE FILTER 110 'This program filters 5000 samples with a 101 point moving 120 'average filter, resulting in 4900 samples ... relatives of the moving average filter better than the moving average filter itself? Three ways: First, and most important, these filters have better stopband attenuation t...

Ngày tải lên: 13/09/2012, 09:50

... resulting in the windowed-sinc filter kernel, (f) The frequency response of the windowed-sinc, (g), is smooth and well behaved These figures are not to scale Chapter 16- Windowed-Sinc Filters Time ... Filter To design a windowed-sinc, two parameters must be selected: the cutoff frequency, fC , and the length of the filter kernel, M The cutoff frequency Chapter 16- Windowed-Sinc Fi...

Ngày tải lên: 13/09/2012, 09:50

... 17-9 Example of using three optimal filters These signals result from filtering the waveform in Fig 17-7 with the filters in Fig 17-8 Each of these three filters is optimal in some sense In (a), ... is finding what frequency response to use Let's look at some strategies used in DSP to design custom filters Deconvolution Unwanted convolution is an inherent problem in transferring ana...

Ngày tải lên: 13/09/2012, 09:50

... Since this impulse response in infinitely long, recursive filters are often called infinite impulse response (IIR) filters In effect, recursive filters convolve the input signal with a very long ... and low-pass single pole recursive filters, respectively Figure (c) shows the frequency response of a cascade of four low-pass filters The frequency response of recursive filters...

Ngày tải lên: 13/09/2012, 09:50

Ngày tải lên: 13/10/2012, 11:13