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1996 26th European Microwave Conference最新文献

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Application of signal processing algorithms in microwave applications 信号处理算法在微波中的应用
Pub Date : 1997-08-11 DOI: 10.1109/SBMOMO.1997.648821
T. Sarkar
The objective of the presentation is to illustrate that the principle of analytic continuation can be utilized to interpolate/extrapolate either computational results or measured data in an efficient fashion instead of utilizing sheer brute force.
演示的目的是说明分析延拓的原理可以用来插值/外推计算结果或测量数据在一个有效的方式,而不是利用纯粹的蛮力。
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引用次数: 1
Efficient numerical optimisation of nonlinear microwave circuits by the harmonic-balance technique coupled with electromagnetic simulation 用谐波平衡技术结合电磁仿真对非线性微波电路进行有效的数值优化
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337642
V. Rizzoli, A. Costanzo, Mauro Caposciutti, A. Neri
The paper discusses the application of the space-mapping concept to the computer-aided optimisation of nonlinear microwave circuits. This method allows the linear subnetwork to be characterised by electromagnetic (EM) simulation, while the nonlinear analysis and design are based on the piecewise harmonic-balance technique. The map between the EM and the circuit model (CM) parameter spaces is defined implicitly and the search for the optimum EM topology is carried out by a norm-reducing Newton iteration.
本文讨论了空间映射概念在非线性微波电路计算机辅助优化中的应用。该方法可以利用电磁仿真对线性子网络进行表征,而非线性分析和设计则基于分段谐波平衡技术。隐式定义了电磁与电路模型(CM)参数空间之间的映射关系,并通过降范牛顿迭代来搜索最优的电磁拓扑。
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引用次数: 4
A 125-180 GHz fixed-tuned SIS mixer for radioastronomy 用于射电天文学的125-180 GHz固定调谐SIS混频器
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337519
A. Karpov, J. Blondel, P. Pasturel, K. Gundlach
A fixed-tuned SIS mixer covering an instantaneous band of 45% around 150 GHz has been developed for radioastronomy. A new type of coplanar tuning circuit for the SIS junction is introduced. The minimum DSB receiver noise is 19 K, while the average noise is 25K in the 130-175 GHz range with a 1 GHz IF band. A speedup of the observations by a factor 2-3 is possible with the new receiver.
用于射电天文学的固定调谐SIS混频器覆盖了150 GHz左右45%的瞬时波段。介绍了一种用于SIS结的新型共面调谐电路。DSB接收机的最小噪声为19k,而在1ghz中频频段下,130 ~ 175ghz范围内的平均噪声为25K。新的接收机可能使观测的速度提高2-3倍。
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引用次数: 3
Novel FMCW radar system concept with adaptive compensation of phase errors 相位误差自适应补偿的FMCW雷达系统新概念
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337536
M. Vossiek, P. Heide, M. Nalezinski, V. Magori
A new high-performance FMCW sensor system concept is presented. The approach is based on an adaptive signal processing scheme compensating phase errors caused by VCO phase noise as well as the non-linearity of the frequency modulation. The key component of the low-cost sensor is a SAW (surface acoustic wave) delay line representing a miniaturised high-precision radar reference path. A correction algorithm equalises the target signal according to the phase errors simultaneously measured with the reference path. Employing this method, an excellent range resolution as well as a high dynamic range and multi-target selectivlty is obtained, which has been experimentally demonstrated at millimetrewave frequencies.
提出了一种新的高性能FMCW传感器系统概念。该方法基于自适应信号处理方案,补偿了由压控振荡器相位噪声和调频非线性引起的相位误差。低成本传感器的关键部件是SAW(表面声波)延迟线,代表了小型化的高精度雷达参考路径。校正算法根据与参考路径同时测量的相位误差来平衡目标信号。该方法具有良好的距离分辨率、高动态范围和多目标选择性,并在毫米波频率下进行了实验验证。
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引用次数: 65
A LO-rejecting balanced upconverter for communication systems 一种用于通信系统的抗低电平平衡上变频器
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337529
H. Zirath, I. Angelov, C. Karlsson, N. Rorsman
An LO-rejecting millimeterwave balanced resistive HFET-upconverter based on a dual FET configuration is investigated. Theoretical and experimental results for a 50-60 GHz upconverter as a function of local oscillator power and gate bias voltage, Vgb, is presented. A conversion loss and LO-rejection of 10 dB and 35 dB is experimentally obtained at an LO-power of 5 dBm.
研究了一种基于双FET结构的抗lo毫米波平衡电阻式hfet上变频器。给出了50- 60ghz上变频器与本振功率和门偏置电压Vgb的函数关系的理论和实验结果。在5 dBm的lo功率下,实验得到了10 dB和35 dB的转换损耗和lo抑制。
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引用次数: 5
A fast magneto-static field simulation for the incorporation into a hybrid dynamic-static finite-integral algorithm 结合动-静混合有限积分算法的快速静磁场模拟
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337610
S. Lindenmeier, W. Heinrich, P. Russer
The incorporation of a priori knowledge of the electrostatic and magneto-static fields into the Finite-Integral algorithm leads to higher efficiency under the condition that the numerical effort for the static field calculations is smaller than that for the conventional full-wave Finite-Integral method. In the electro-static case, the scalar potential approach allows for a fast solution. In the magneto-static case, however, the common description applies a vector potential. The presented method shows a way how to calculate the magnetic field of arbitrary lossless 3D structures also by a scalar potential. The method is based on the insertion of potential partitioning surfaces (PPS) into the structure. The PPS' lead to a uniquely well defined scalar magnetic potential for the calculation of the magnetic field. Using the PPS method the numerical effort for the calculation of the magnetic field is reduced significantly.
将静电场和静磁场的先验知识结合到有限积分算法中,在静态场计算的数值努力比传统的全波有限积分方法小的情况下,提高了效率。在静电情况下,标量势方法允许快速解决。然而,在静磁情况下,通常的描述适用于矢量势。提出了一种用标量势计算任意无损三维结构磁场的方法。该方法基于在结构中插入势分区面(PPS)。PPS产生了一个独特的定义良好的标量磁势,用于计算磁场。采用PPS方法,大大减少了磁场计算的数值工作量。
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引用次数: 1
State of the art millimeter and sub-millimeter wave ferrite components and devices 最先进的毫米波和亚毫米波铁氧体元件和器件
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337703
B. Lebed', V. D. Voronkov
The nearest decade development of radio-electronics will be to a great extent related with the mastering of millimeter and submillimeter wave band. This process is considerably stimulated by a great success in development of electronic components for millimeter and sub-millimeter wave bands. So, substantial progress has been achieved in the field of development and production of key components - sufficiently reliable sources of oscillation in the stated bands. Development and putting ferrite devices and apparatus into industry production is one of the key problems of millimeter and sub-millimeter wave band mastering. The ferrite devices are known to be the main type of non-reciprocal passive devices in microwave range. Rather substantial role belongs to ferrite devices in the field of propagation conditions control for the waves in this range. In the present paper the authors consider state-of-art, achieved level of development and the nearest perspectives of creation of ferrite devices for the stated range. The consideration is carried out on the basis of example of typical ferrite devices: non-reciprocal (isolators and circulators) as well as controlled ones (filters and phase-shifters). Just these groups of devices define the state-of-art and the level of development of ferrite device engineering. State of the art millimeter and sub-millimeter wave ferrite components and devices B M Lebed, V D Voronkov R&D Institute Domen, Russia.
无线电电子学最近十年的发展将在很大程度上与对毫米波和亚毫米波波段的掌握有关。毫米波和亚毫米波波段电子元件开发的巨大成功极大地刺激了这一过程。因此,在关键部件的开发和生产领域取得了实质性进展-在所述波段中足够可靠的振荡源。铁氧体器件和仪器的研制和产业化是毫米波和亚毫米波控制的关键问题之一。铁氧体器件是微波范围内非互易无源器件的主要类型。铁氧体器件在该范围内的波的传播条件控制方面起着相当重要的作用。在本论文中,作者考虑了国家的艺术,达到的发展水平和最近的前景,创造的铁氧体器件的规定范围。考虑是在典型铁氧体器件的例子基础上进行的:非互易(隔离器和环行器)以及受控器件(滤波器和移相器)。正是这几组器件定义了铁氧体器件工程的技术水平和发展水平。最先进的毫米波和亚毫米波铁氧体元件和器件B . M .列别德,V . D .沃龙科夫研究所多门,俄罗斯。
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引用次数: 2
A polarisation agile T-shaped slot antenna fed from balanced microstripline 平衡微带线馈电的极化敏捷t型槽天线
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337574
A. Sangster, P. Smith
A microstrip fed T-shaped slot antenna element exhibiting polarisation agility is considered. The radiating element is located perpendicularly and in close proximity to a balanced microstripline which can support either an even-mode or an odd-mode. Predictions of the T-slot operation, at resonance, are obtained from a hybrid moment method analysis which incorporates spectral domain Green's functions. This analysis estimates the amount of power radiated from the axial leg of the T-slot which in turn allows an investigation to be carried out on the possible mechanisms for controlling the level of radiation. An experimental setup for testing the operation of the radiating T-slot is described. Measurements are taken of the power radiated from the axial leg of the T-slot in order to verify the theory. Further measurements demonstrate control of the co-polarised and cross-polarised radiation levels.
研究了一种具有极化敏捷性的微带馈电t形槽天线单元。辐射元件垂直放置,靠近平衡的微带状线,该微带状线可以支持偶模或奇模。共振时t槽运行的预测是通过结合谱域格林函数的混合矩法分析得到的。这一分析估计了t型槽轴向支腿辐射的功率量,从而可以对控制辐射水平的可能机制进行调查。介绍了一种测试辐射t型槽工作性能的实验装置。为了验证这一理论,对t型槽轴向支腿辐射的功率进行了测量。进一步的测量证明了共极化和交叉极化辐射水平的控制。
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引用次数: 2
Partial element description (PED) for planar interconnection structures 平面互连结构的局部单元描述
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337627
G. Coen, D. De Zutter
The authors have developed a technique that allows one to automatically derive simple full wave equivalent lumped networks for general planar interconnection discontinuities. In this technique, we start from a so called partial element description (PED) of the given structure. This is a network interpretation of the numerical analysis of the given structure, analogous to Ruehli's PEEC method (Ruehli et al. [1-3]). The circuit elements in this network are complex and frequency dependent. Then, this PED is reduced using a very general network reduction technilque, which was also developed by the same authors. The last step is the extraction from this PED of a network that has only real and frequency independent circuit elements. In this paper, we will discuss the derivation of the PED for microstrip structures.
作者已经开发了一种技术,可以自动推导出一般平面互连不连续的简单全波等效集总网络。在这种技术中,我们从给定结构的所谓部分元素描述(PED)开始。这是对给定结构的数值分析的网络解释,类似于Ruehli的PEEC方法(Ruehli等人[1-3])。该网络中的电路元件复杂且与频率相关。然后,使用一种非常通用的网络约简技术对该PED进行约简,该技术也是由同一作者开发的。最后一步是从这个PED中提取一个只有真实和频率无关的电路元件的网络。在本文中,我们将讨论微带结构的PED的推导。
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引用次数: 0
Analysis of inhomogeneous broadband circulators by means of a mixed numerical method 非均匀宽带环行器的混合数值分析
Pub Date : 1996-10-01 DOI: 10.1109/EUMA.1996.337681
G. Macchiarella, G. Gentili, Alberto Lobina
Broadband stripline circulators are studied by means of a mixed numerical technique which employs both Boundary Integral and Segmentation methods; this technique allows to analyze planar circuits where the substrate is constituted by several regions with arbitrary shape and different electrical properties. The method of study here presented allows to determine the overall impedance matrix of a 3-port circulator constituted by a non-reciprocal disk with sections of striplines going outside each port; in this way the discontinuities between reciprocal and non-reciprocal medium are included in characterization of the overall device.
采用边界积分和分割相结合的混合数值方法研究宽带带状线环行器;该技术允许分析平面电路,其中衬底由具有任意形状和不同电性能的几个区域组成。本文提出的研究方法允许确定由非互易盘组成的3端口环行器的整体阻抗矩阵,每个端口外都有条带线的部分;这样,在整个装置的表征中就包括了互易介质和非互易介质之间的不连续。
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1996 26th European Microwave Conference
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