Dual mode microstrip bandpass square open loop filters
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 Inner loop with a gap-opening ... ANALYSIS ON THE SQUARE RESONATOR WITH TWO OPENINGS 2.1 Introduction 2.2 Effects of the gap-openings 10 2.3 Positions of the gap-opening 13 2.4 Equivalent circuit analysis on the square open- loop resonator...
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Báo cáo "Design dual band microstrip antenna for RFID application" potx
... 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 Anh, Antenna ... 440MHz) However, it should be noted that RFID systems usually operate with small bandwidth as 100MHz bandwidth at 900MHz frequency (860MHz – 960MHz) For this reasons, we can accept this results...
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Dual-band Microstrip Antenna for 4G-LTE Handheld Devices
... 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 microstrip antenna for lte ... compared as presented in Figure Conclusions A dual-band microstrip antenna for 4GLTE handhel devices has been designed and fabricated The proposed antenna has quite good simulation results with...
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Bandwidth enhancement of dual patch microstrip antenna array using dummy EBG patterns on feedline
... 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 different patterns that resemble conventional EBG ... capabilities Control over such characteristics is only possible with the formation of antenna arrays Arrays of antennas usually consist of a repetition of radiating elements in a regular fashion The...
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Analysis of Closed-Loop Performance and Frequency-Domain Design of Compensating Filters for Sliding Mode Control Systems
... 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 the other one is due to the effect of an external noise ... odd Analysis of Closed-Loop Performance for Sliding Mode Control Systems 61 with either ReJr−int (ω) being zero for all odd r = n − m or ImJr−int (ω) being zero for even r Take magnitudes of the...
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Tài liệu HDSL Dual Repeater Soneplex® Broadband and Loop Extender Systems doc
... 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 Soneplex HDSL modules, ... for central office Soneplex systems will fit into existing module slots and function along-side already installed modules The B-Series HDSL repeaters will fit into standard 239-style apparatus...
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microstrip filters for rf microwave applications
... 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, 379 See also Compact filters networks, ... 459 Index 461 Preface Filters play important roles in many RF/ microwave applications Emerging applications such as wireless communications continue to challenge RF/ microwave filters with ever more...
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Tìm hiểu về bộ lọc thông dải dịch pha dựa trên lưới dẫn sóng tinh thể quang tử “bandpass filters based on phase shifted photonic crystal waveguide gratings
... 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 cáo chuẩn HUST by The Nguyen Manh 39 views ... [Slide] Bài tập lớn Thông tin Quang by The Nguyen Manh 42 views [Báo cáo] Bài tập lớn Thông tin vô [Báo cáo] Bài tập lớn Thông tin vô by The Nguyen Manh 62 views [Báo cáo] Bài tập lớn Tổ chức quy h [Báo cáo] Bài tập lớn Tổ chức quy h...
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Open distributed automation and control with iec 61499.pdf
... 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 and Control with IEC 61499 with IEC 61499 • • • • ... Status and Future OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499 System Management Model System Management Model JHC/2001-04-03 p 19 OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499...
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Moving Average Filters
... 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 than the moving average filter ... 11 and 51 point moving average filters, respectively As the number of points in the filter increases, the noise becomes lower; however, the edges becoming less sharp The moving average filter...
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Windowed-Sinc Filters
... 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 Filters 1.5 1.5 ... is important because the execution speed of windowed-sinc filters is already terribly slow As also shown in Fig 16-3b, the cutoff frequency of the windowed-sinc filter is measured at the one-half...
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Custom Filters
... 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 analog information ... signal, the deconvolution filter must undo these amplitude and phase changes For Chapter 17- Custom Filters 3 a M = 10 c M = 100 Amplitude Amplitude 1 0 0.1 0.2 0.3 Frequency 0.4 0.5 0.1 0.2 0.3...
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Recursive Filters
... 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 is not always what ... Single pole low-pass filter Digital recursive filters can mimic analog filters composed of resistors and capacitors As shown in this example, a single pole low-pass recursive filter smoothes the edge...
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Mode sensors and switches - P1
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