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2019 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO)最新文献

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All-Metal Slow-Wave-Structure of Coaxial-Radial Line Type for Powerful Multibeam TWT 强多波束行波管同轴-径向线型全金属慢波结构
A. Kasatkin, S. Presnyakov, N. Kravchenko, S. Mukhin
The subject of consideration of this work is the development of the design, algorithm and program for calculating the dispersion characteristics of the coaxial-radial line (CRL). The selected design of the CRL allows to optimize the coupling impedance and the dispersion of the SWS.
本文研究的主题是计算同轴-径向线色散特性的设计、算法和程序的发展。所选择的CRL设计允许优化耦合阻抗和SWS的色散。
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引用次数: 2
Comparison of Limited Feedback Techniques for Multiuser MIMO Communication Systems 多用户MIMO通信系统中有限反馈技术的比较
V. B. Krevndelin, A. E. Smimov, Taoufik Ben Reieb
Using of quantized channel state information on transmitter (CSIT) side for adaptive signal processing on base station (BS) side also called as precoding provides to reduce feedback channel bandwidth in comparison with full CSIT. There are many solutions for feedback channel quantization. The aim of this paper is to compare efficiency of known grassmannian manifold for codebook design and random vector quantization based codebooks using to transmit CSI from users to base station side.
在发射机侧使用量化信道状态信息对基站侧进行自适应信号处理,也称为预编码,与全CSIT相比,可以减少反馈信道带宽。反馈信道量化的解决方法有很多。本文的目的是比较已知的格拉斯曼流形码本设计和基于随机矢量量化的码本用于从用户到基站侧传输CSI的效率。
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引用次数: 0
Compact Double -Gap Resonator of Low-Voltage Multi-Beam Klystron with a Strip Resonance Fractal Structure of the Greek Cross Type 具有希腊十字型带状共振分形结构的低压多束速调管紧凑型双间隙谐振器
V. Tsarev, A. Miroshnichenko, N. A. Akafyeva
In this paper results of modeling parameters of the compact double-gap resonator for 19-beam klystron type devices with a resonant fractal structure of the Greek-cross type for “0-th”, “1-st” and “2-nd” iteration are submitted. Resonance elements made on the central electrodes of a symmetrical high-Q strip line suspended on a dielectric substrate. The resonator has two fundamental modes of oscillation: in-phase and anti-phase. The main mode of the oscillations of the resonator is anti-phase. It corresponds to the X-range of frequencies, the first higher oscillation mode (in-phase) corresponds to the Ku-band. The paper presents the results of calculation: resonance frequency f, shunt impedance R/Q and Q-factor for $pmb{pi}$ and $pmb{2pi}$ modes of oscillations. The optimal parameters of the interaction process were found also.
本文给出了具有希腊叉形谐振分形结构的19束速调管型器件紧凑型双间隙谐振腔在“0-th”、“1-st”和“2-nd”迭代下的建模参数结果。在悬挂在电介质衬底上的对称高q带线的中心电极上制造的共振元件。谐振器有两种基本的振荡模式:同相和反相。谐振腔振荡的主要模式是反相振荡。它对应于x波段的频率,第一个较高的振荡模式(同相)对应于ku波段。本文给出了$pmb{pi}$和$pmb{2pi}$振荡模式的谐振频率f、并联阻抗R/Q和Q因子的计算结果。并找到了相互作用过程的最佳参数。
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引用次数: 1
Fault-Tolerant System of Automatic Deployment of Mobile Radio Stations 移动无线电台自动部署容错系统
S. Palavenia, A. Salauyou, Yuliya Duinova, M. Popova
In this article a block diagram of an automated deployment system is considered. A structural-functional indicator of the intensity of the use of functional elements of an automated deployment system is presented
在本文中,将考虑一个自动部署系统的框图。提出了自动部署系统中功能要素使用强度的结构-功能指标
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引用次数: 0
Problem of Fano Resonance Characterization in Ring $pi$ -shift Fiber Bragg Grating Biosensors 环$pi$移位光纤光栅生物传感器的范诺共振表征问题
O. Morozov, I. Nureev, A. Z. Sahabutdinov, R. Gubaidullin, G. A. Morozov
Problem of Fano resonance characterization in optical biosensors of the refractometric type based on ring $pi$ -shift fiber Bragg grating is raised. The use of this type biosensors makes it possible to increase the sensitivity of detecting changes in the refractive index of the medium under investigation to a level ${(1-2)mathrm{x}10^{-9}}$ RIU. The given sensitivity values are achieved due to the formation of a high-quality Fano resonance in the grating with the contour width at half-height of 1–5 pm. However, the possibility of obtaining significant gains in metrological characteristics poses the problem of characterizing such narrowband resonances, since the existing optical spectrum analyzers and interrogators do not have the appropriate resolution. To solve this problem, a microwave photonics method of three-frequency probing of an ultra-narrowband and asymmetric Fano contour with symmetric amplitude-modulated radiation and unbalanced amplitude sideband components is proposed. Previously one can use microwave photonic method of dual-frequency symmetric balanced probing with equal amplitudes of components and the suppressed carrier for solving such problem. Unlike it, using of proposed method, resolve to get unambiguous determination of the center frequency, maximum amplitude and quality of Fano contours, as well as the possibility of significantly simplifying the technique of collecting information about their parameters. It should be noted that decision has also to be true for the characterization of Fano resonance with its symmetrical realizations. This article consistently reflect the questions of posing the problem and discussion of ways for it decision.
提出了基于环形移位光纤布拉格光栅的折射型光学生物传感器的法诺共振表征问题。使用这种类型的生物传感器可以将检测所研究介质折射率变化的灵敏度提高到${(1-2) mathm {x}10^{-9}}$ RIU的水平。给定的灵敏度值是由于在轮廓宽度为1-5 pm的半高的光栅中形成了高质量的法诺共振而实现的。然而,由于现有的光谱分析仪和询问器没有适当的分辨率,在计量特性方面获得显著增益的可能性提出了表征这种窄带共振的问题。为了解决这一问题,提出了一种具有对称调幅辐射和不平衡振幅边带分量的超窄带非对称法诺轮廓的三频探测方法。在此之前,可以采用双频对称平衡探测等分量和抑制载波的微波光子方法来解决这一问题。与之不同的是,利用该方法可以明确地确定法诺轮廓的中心频率、最大幅值和质量,并且可以大大简化其参数信息的收集技术。应该注意的是,对于法诺共振及其对称实现的表征,决定也必须是正确的。本文始终反映了提出问题和讨论决策方法的问题。
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引用次数: 4
Presentation and Analysis of Continuous Signals in the Space of Complex Exponential Models 复指数模型空间中连续信号的表示与分析
V. P. Volchkov, I. V. Manonina, V. Sannikov
For approximation and time-frequency analysis of continuous signals, it is proposed to use non-causal complex exponential models defined in the general case on an infinite two-way time interval. It is shown that the space of such model signals is Euclidean and rigorous analytical expressions are obtained for their main characteristics in the time domain and spectral domain - convolutions of signals, cross-correlation functions, spectrum and cross-spectral densities, etc. The possibilities of applying the obtained formulas in the Matlab system are demonstrated.
对于连续信号的逼近和时频分析,提出在无限双向时间区间上使用一般情况下定义的非因果复指数模型。结果表明,该模型信号的空间是欧几里得的,并得到了其在时域和谱域的主要特征——信号的卷积、互相关函数、谱密度和交叉谱密度等的严格解析表达式。给出了在Matlab系统中应用所得公式的可能性。
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引用次数: 2
Simulation of Readiness Coefficient of FOCL with Temperature Actions on Optical Fibers 光纤温度作用下FOCL的准备系数模拟
S. Lutchenko, I. Bogachkov
A method of reliability assessment of a fiber optical communication line (FOCL) is proposed taking into consideration the temperature actions on optical fibers. The reliability of the FOCL is estimated by a readiness coefficient. Theoretical studies are performed using Markov chain theory and probabilistic mathematical simulation. The accepted value of the readiness coefficient allows us to determine the maximum servicing interval for FOCL. The paper was financially supported by the Ministry of Education and Science of the Russian Federation within the framework of the basic part of the state task in the field of scientific activity (project No. 8.9334.2017/8.9).
提出了一种考虑温度对光纤作用的光纤通信线路可靠性评估方法。FOCL的可靠性由准备系数估计。理论研究使用马尔可夫链理论和概率数学模拟。准备系数的可接受值允许我们确定FOCL的最大维修间隔。本文得到了俄罗斯联邦教育和科学部在科学活动领域国家任务基础部分(项目号8.9334.2017/8.9)框架内的财政支持。
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引用次数: 2
Interpretation of Intelligent Transport Systems Data in Moscow for Bernoulli Approximation of Deterministic-Stochastic Model 莫斯科智能交通系统数据的确定性-随机模型伯努利近似解释
A. Bugaev, A. Tatashev, M. Yashina, O. Lavrov, E. A. Nosov
The BigData technology development allows to measure traffic flows on highways in detail. The flow dynamics depends on many parameters, in particular social and economical parameters. Based on the results of measurements on highways in Deutschland, B.S. Kerner has concluded that the known mathematical traffic models are not always adequate. The congested flows are very unstable, and, therefore, it is important to know the real function of state, which shows the dependence of the flow intensity on the density. In Moscow, an intellectual transport system has been created. This system collects the data on the flow characteristics. In this paper, an algorithm has been developed such that this algorithm calibrates a traffic mathematical model. This model is based on the deterministic-stochastic approach and concepts of synchronous or asynchronous exclusion processes. The model parameters are set based on data of measurements made on a section of Leningradsky prospect in Moscow with the intellectual transport system SS125 - Traffic Sensor Smartsensor Wavetronix. Data of year 2011 are not very accurate. However, these data contain information on the intensity, density, velocity and vehicle types for any minute segment during a day. The data of measurements made in 2019 are more accurate but only total traffic intensity in each direction were measured. The algorithm, developed in this paper, is used for the estimation of the traffic density and velocity dynamics based on the data of 2019 year. We consider a version of homogeneous flow model and two versions of heterogeneous flow model. One of these versions is a new model.
大数据技术的发展可以详细测量高速公路上的交通流量。流动动力学取决于许多参数,特别是社会和经济参数。根据对德国高速公路的测量结果,B.S. Kerner得出结论,已知的数学交通模型并不总是合适的。拥塞流是非常不稳定的,因此,了解真实的状态函数是很重要的,它显示了流强度与密度的依赖关系。莫斯科建立了一个智能交通系统。该系统对流量特性数据进行采集。本文开发了一种算法,利用该算法标定交通数学模型。该模型基于确定性-随机方法和同步或异步排除过程的概念。模型参数是根据莫斯科列宁格勒斯基勘探区的测量数据设置的,测量数据使用的是智能交通系统SS125 - Traffic Sensor Smartsensor Wavetronix。2011年的数据不是很准确。然而,这些数据包含了一天中任何一分钟的强度、密度、速度和车辆类型的信息。2019年的测量数据更准确,但只测量了每个方向的总交通强度。本文开发的算法基于2019年的数据,用于估计交通密度和速度动态。我们考虑了一个版本的均匀流模型和两个版本的非均匀流模型。其中一个版本是一个新模型。
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引用次数: 4
Tunable Complex Band-Pass Filter on Switchable Capacitors 可开关电容器上的可调谐复杂带通滤波器
Y. A. Grebenko, Aung Ko Min
The article is devoted to the development of methods for calculating complex filters on switchable capacitors using analog prototypes. Analog and digital complex filters are described in detail in the technical literature. In recent years also appeared work devoting on the calculation and implementation of complex filters on switchable capacitors. One of the methods of calculating filters on switchable capacitors is the method of converting an active RC filter by replacing resistors with switchable capacitors. The use of identical complex links on inverting integrators allows to simplify the calculation of the block diagram of an analog complex band-pass filter with a high-order LF-prototype. It also becomes possible to restructure the central frequency and bandwidth of a band-pass complex filter by synchronously changing the parameters of identical complex links. In this article describes the complex link's scheme of inverting non-ideal integrators implemented on two operational amplifiers. Offers the method of calculation of complex bandpass filters based on complex links, implemented by using switchable capacitors. In the schemes of complex band-pass filters on switched capacitors, it is possible to independently adjust the central frequency and bandwidth by changing the nominal values of identical capacitors in the links or by changing the corresponding switching frequency. As an example, a schematic diagram of a complex band-pass filter with 2nd order Butterworth LF prototype has been developed. The first model is implemented on the basis of summators and analog complex links. The second model is implemented on the basis of summators and complex links containing operational amplifiers and switchable capacitors. Circuit simulation of complex filters was carried out in the Micro-Cap program. In the frequency domain compared the values of frequency response curve of both filters at different frequencies. These values are almost the same. The simulation results confirm the performance of the proposed method for calculating complex band-pass filters on switchable capacitors and confirm the possibility of independent tuning of the center frequency and bandwidth.
本文致力于开发利用模拟原型计算可开关电容器上复杂滤波器的方法。模拟和数字复合滤波器在技术文献中有详细的描述。近年来也出现了对可开关电容器上复杂滤波器的计算和实现的研究。计算可开关电容滤波器的方法之一是用可开关电容代替电阻来转换有源RC滤波器。在反相积分器上使用相同的复杂链路可以简化具有高阶lf原型的模拟复杂带通滤波器的框图计算。通过同步改变相同复合链路的参数,重构带通复合滤波器的中心频率和带宽也成为可能。本文介绍了在两个运放上实现非理想积分器反相的复杂链路方案。给出了一种基于可开关电容的复杂链路的复杂带通滤波器的计算方法。在开关电容上的复杂带通滤波器方案中,可以通过改变链路中相同电容的标称值或改变相应的开关频率来独立调节中心频率和带宽。以二阶巴特沃斯低频样机为例,给出了复杂带通滤波器的原理图。第一个模型是基于求和和模拟复杂链路实现的。第二种模型是基于和子和包含运算放大器和可切换电容器的复杂链路实现的。在Micro-Cap程序中对复杂滤波器进行了电路仿真。在频域比较了两种滤波器在不同频率下的频响曲线值。这些值几乎是相同的。仿真结果验证了该方法计算可切换电容上复杂带通滤波器的性能,并证实了中心频率和带宽独立调谐的可能性。
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引用次数: 0
Investigation of Methods for Ensuring Electromagnetic Compatibility of Atmospheric Radiosonde Systems 大气探空系统电磁兼容性保障方法研究
I. Malygin, V. Ivanov
Upper-air radiosondes, which transmit coordinate-telemetric information on the main meteorological parameters to the ground station, contain a transmitter and, in some cases, a receiver of GLONASS / GPS satellite navigation systems. The known methods providing electromagnetic compatibility of transmitting and receiving systems cannot be fully applied in this case, taking into account the specifics of the radio sounding system. This paper is devoted to the development and study of methods for reducing the influence of out-of-band emissions from a radiosonde transmitter on navigation signal receivers and other communication systems operating in close frequency bands.
高空无线电探空仪向地面站传送有关主要气象参数的坐标遥测信息,其中包括一个发射机,有时还包括一个GLONASS / GPS卫星导航系统的接收器。考虑到无线电探测系统的具体情况,提供发射和接收系统电磁兼容性的已知方法不能完全适用于这种情况。本文致力于开发和研究减少无线电探空发射机的带外发射对导航信号接收器和在近频带工作的其他通信系统的影响的方法。
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引用次数: 0
期刊
2019 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO)
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