Optimization method for extracting coupling matrix of generalized Chebyshev linear phase filter 广义Chebyshev线性相位滤波器耦合矩阵的优化提取
Transformer type coupling filter 变压器型耦合滤波器
A new tuning method of coupling resonator band pass filter in time domain; 并应用该放大器构成绝对值电路和带通滤波器两种功能模块。
Outside-band Character and Application of Coupling and Resonance Band-pass Filter high stability oscillator with resistance-capacitance coupling 耦合谐振带通滤波器带外特征及应用高稳定度振荡器带电容电阻耦合器
Method for Extracting Input-output Coupling Coefficient of Cross-coupled Microwave Filter 交叉耦合微波滤波器输入/输出耦合系数抽取方法
In this paper, a novel coupling hoops of rectangle combine with triangle in coordination with coupling rectangle hole as inter-cavity coupling structure of tunable filter are brought forward. 该文提出一种矩形和三角形结合的新型耦合环配合矩形耦合孔作为可调滤波器腔间耦合结构的耦合方式。
First, it uses a new kind of coupling method in the SIR filter and second, it combines the DGS structure with the newly designed filter to provide more suppression in the spurious passband. 采用了DGS结构和新型的耦合方式,增强了耦合,为滤波器提供了更多的零点抑制寄生通带的影响。
Coupling Algorithm of Extended Kalman Filter FEM and Its Application in Tunnel Engineering 扩张卡尔曼滤波器有限元法耦合算法及其隧道工程应用
A new design for coupling SIR filter using DGS structure 应用DGS结构的新型耦合SIR滤波器设计
The mathematical models of the point of common coupling ( PCC) comprising Active Power Filter ( APF) are established. 建立了包括有源电力滤波器(APF)在内的公共连接点(PCC)的数学模型;
Of course, an anti-jamming methods are used in software and hardware, including photoelectric coupling circuit, filter circuit and insulating drive circuit and so on. 采用了光电耦合集成电路、滤波电路、隔离驱动、看门狗监视器、软件陷阱等软硬件抗干扰方法,提高了系统的稳定性和抗干扰的能力;
Study on Effects of Longitudinal Coupling Filter Models on Device Performance 纵向耦合滤波器组成模块对器件性能影响的研究
Simulation of Coupling Aperture Diameter and Its Influence to Filter Properties 滤波器耦合槽直径对其性能的影响仿真
An advanced method to acquire the coupling parameters of a direct-coupled waveguide bandpass filter with 3D microwave EM simulation software is introduced, and a fast parameter sweep technique to optimize the final filter model is proposed. 介绍了采用三维微波电磁场仿真软件快速提取直接耦合波导带通滤波器耦合窗口参数的方法,并提出了优化最终模型的快速扫描技术。
Then the design methods of the parallel coupling SIR band-pass filter has been discussed, and analysed the different characteristic of the SIR resonator with the different impedance rate. 之后,用SIR的原理讨论了平行耦合带通SIR滤波器的设计方法,并分析了不同阻抗比的SIR滤波器之间特性。
Finally a generalized method is given for designing coupling structures of a filter after its coupling coefficient matrix has been determined. 最后给出了在确定耦合系数矩阵后实现滤波器时设计耦合结构的一种通用方法。
To make good use of advantage of SWDS and heighten the efficiency, using the single trace seismic data from SWDS and common coupling receivers on equal conditions, we designed a coupling match filter by the method of Optimum Wiener Filters. 为此,利用特殊耦合检波器和常规耦合检波器在相同条件下采集的单道地震数据,采用最佳维纳滤波方法,设计了耦合匹配滤波器。
For requirements of suppressing harmonics on the dc side of HVDC system, a new hybrid filtering system a shunt passive and a small rated reactor transformer coupling series active filter is presented, and the harmonic compensation and control principles are discussed theoretically in this paper. 针对高压直流(HVDC)系统直流(DC)侧谐波抑制的要求,提出了一种新型混合滤波系统:并联无源滤波器和串联小容量电抗&变压器耦合有源直流滤波器。
When the fiber grating is strong coupling, a multi-passband filter can be constructed. 当光纤光栅是强耦合时,该滤波器可以构成多通带滤波器。
As the free-space coupling optical waveguide has a filter function, the common semiconductor laser can be a choice of light source, which can further reduce the cost and improve the sensitivity. 另外,利用自由空间耦合光波导所具有的滤波功能,可使用普通半导体激光器作光源,因此可进一步降低成本、同时提高仪器的灵敏度。
Without coupling gaps, the new filter can reduce uncertainty in fabrication; A class of new planar dual-mode filters using one square single patch without coupling gaps are proposed. 这种结构中,没有耦合缝隙,可以减小制作过程中的不确定性:设计出一种结构新颖、简单的方形贴片双模滤波器。
The microstrip line filter is used in wireless communication systems widely for many advantages such as compact size, low cost and easy to be integrated with other circuits. Firstly, a new fourth-order cross coupling microstrip filter with a source-load coupling technology was designed in this thesis. 微带滤波器由于其尺寸小、低成本、便于集成等优点,因此在无线通信系统中得到广泛地应用。本文首先设计了一种新型的四阶源负载交叉耦合微带滤波器。
The use of filter with source-load coupling can reduce filter order and insertion loss and improve skirt selectivity. 源-负载耦合滤波器以能够产生多个传输零点而减小了滤波器的阶数、带内插损和改善了选择性。
Coupling matrix in the filter design played an important role, this theory used matrix rotation to obtain the required topology. Additionally, combining the theory of fields and circuits to design waveguide filters. 耦合矩阵在滤波器的设计中具有重要作用,本文利用矩阵旋转理论对耦合矩阵进行消元,最终得出所需的拓扑结构。
Finally, a new type of coupling structure of the 4-order dielectric filter is given, and the coupling design between the cavities is analyzed. Then, simulations for the designed filters show the correctness of proposed theories and techniques. 最后提出一种新型耦合结构的四阶介质滤波器,重点分析腔体之间的耦合设计,并对所设计的滤波器进行仿真分析,验证推导理论和设计技术的正确性。
This research works are made with scientific projects. The work can be divided into two parts: The content of the frist part is on electromechanical coupling of coaxial cavity filter, in order to find the relationship between the structure parameters and the electric performance. 论文结合科研项目展开研究,研究工作分为两部分,第一部分内容是同轴滤波器的机电耦合问题研究,主要是为了寻找同轴腔滤波器机械结构因素与电性能之间的影响关系。
I get the resonant frequencies of the resonators and the coupling coefficients of the actual filter according to the normalized coupling matrix. I also simulate and design the filter by using different CAD methods. 3. 由归一化耦合矩阵得到实际滤波器谐振器的谐振频率以及耦合系数,分析了使用不同的CAD方法来仿真设计滤波器。
The frequency source adopts the idea of modular design. In accordance with its function, the circuit is divided into DDS, PLL, coupling, frequency division and filter circuits, which simplifies the circuit design and reduces the difficulties in debugging. 频率源采用模块化设计思想,将电路按照功能拆分为:DDS、PLL、耦合分频和分段滤波放大等电路设计,简化了电路设计并降低了调试难度。
As the existence of the forth leg and the coupling effect of the filter inductance, so that the control of the three-phase voltage became very complicated. 由于第四桥臂的滤波电感的耦合效应,使三相电压的控制变得十分复杂。