In this paper, the fundamentals and features of the stub multicoupler, the tuned trap multicoupler, the parallel filter multicoupler, and the fixed impedance multicoupler are briefly analysed. 简要分析了短截传输多路耦合器、陷波多路耦合器、并接滤波多路耦合器及定阻抗多路耦合器的基本原理及其特点,给出了定阻抗多路耦合器的设计实例。
For these reasons the tuned filter must be used when the reactive compensation is done at the existing of system harmonic so as to fulfill the following tasks: do reactive. 单调谐滤波器为容性,而中频电炉工作一般功率因数较高,因此对中频电炉的谐波治理,应兼顾滤波与无功功率补偿。
Characteristic analysis of double tuned filter in HVDC systems 高压直流输电系统双调谐滤波器特性研究
Tuned Power Filter With Optimal Tuned Frequency 电力调谐滤波器的最佳偏调谐设计
The paper presents a scheme of design and implementation of short wave narrow band ( receiver's) RF front end based on RF direct digitalization, laying emphasis on the design and realization of RF AGC and electrically tuned filter which are the key technology of the scheme. 提出了一种基于射频直接数字化的短波窄带接收机射频前端的设计实现方案,并且着重讨论了作为此方案关键技术的射频AGC及电调谐滤波器的具体设计方案和实现过程。
Study on the Double Tuned Filter Based on Splitted-core Type Controllable Reactor 基于裂芯式可控电抗器双调谐滤波器研究
Single tuned filter based on controllable reactor 基于可控电抗器的单调谐滤波器
This thesis analyses the characteristic of single tuned filter and high pass filter, puts forward some design ideas of filter, and gives some examples. 对单调谐滤波器及二阶高通滤波器的阻抗-频率特性进行分析,提出一些滤波器的设计观点,并举例说明。
Research on the Adaptive Multi-Tuned Power Filter 自适应多调谐滤波器的研究
Self-Tuned Filter 自调谐滤波器
There-fore the basic Characteristic of the self& tuned filter is improved completely. 从而完善了自调谐滤波器的基本特性。
Development of Tuned AC Filter 交流调谐滤波器的进展
The novel power filter consists of the well tuned LC passive filter, the additional inductor and the active power filter ( APF) which is controlled as a harmonic current source. 它由纯调谐LC无源滤波器、附加电感和有源电力滤波器(APF)构成,APF控制成谐波电流源。
Moreover, a gain-tunable current-mode continuous-time integrator is presented. Both fp and Q can be tuned with the filter based on the integrator. 在此基础上,提出了增益可调型电流模式连续时间积分器,用这种积分器实现的滤波器能实现fp和Q的双调控。
The principle and the inherent demerits of tuned AC filter are discussed, the detuning due to variation of filter parameters is the main cause of deterioration of filtering performance. 论述了交流调谐滤波器的工作原理和固有缺点,说明滤波器参数变化所引起的失谐是导致滤波性能恶化的主要原因。
Research on Continuously Tuned Power Filter 交流连续可调滤波器的研究
An example of the double tuned filter in a HVDC project is calculated. Calculation results show that the definition put forward in this paper is useful in the parameter design of double tuned filters. 并对某HVDC工程所采用的直流滤波器进行了计算,计算结果表明所提出的定义可以为双调谐滤波器的参数设计提供工程指导。
We have made a varactor tuned bandpass filter and got a good agreement between the measured and theoretical results. 制作了二级变容管调谐微带环形谐振器的带通滤波器,实验结果和理论吻合较好。
Analysis of single tuned filter and high pass filter 单调谐滤波器及二阶高通滤波器的设计分析
Study on parameters of double tuned filter in HVDC transmission system and its simulation 高压直流输电系统中双调谐滤波器参数研究及其仿真
Algorithm for the Parameters of Double Tuned Filter and the Third Order Filter 双调谐滤波器和三阶滤波器的参数计算
It has become one of the most important research focuses on modification Tuned AC filter and achieving the purpose of automatic and continuously multi-tuning. 因此,对交流调谐滤波器进行改造并且实现自动连续多调谐成为谐波滤波器研究的方向之一。
First of all the algorithm of the parameters of the single tuned filter are presented. 首先给出单调谐滤波器参数计算的方法和精确公式。
With the continuously adjustable center frequency, rapid tuning, small size and low cost, the tuned filter based on varactor is wildly applied to frequency-hopping communications. 基于变容二极管的跳频滤波器其中心频率连续可调,跳频速度很快,体积小,成本低,在跳频通信中被广泛使用。
The single-channel low light level imaging system based on broad band tuned filter is further deepening of the color night vision imaging. 基于宽波段调谐滤波的双谱微光单通道彩色夜视技术是对彩色夜视理论与技术研究的进一步深化,是解决单通道实现彩色微光成像的一种新的技术手段。
Although Tuned AC filter still has an irreplaceable status in the high-voltage and high-capacity systems, it has many inherent demerits which restrict its development, such as detuning problem and single LC branch only can mitigate single harmonic. 在高电压、大容量系统中交流调谐滤波器仍占有无可替代的地位,但失谐问题及单个LC支路滤波特性单一等缺点制约了其发展。
Using superheterodyne second frequency conversion, this module receiver design is composed of LNA, tuned filter, mixer, IF amplifier circuit and AGC control circuit to implement large dynamic range receive technical criteria. 本模块接收机设计采用超外差二次变频,主要由低噪声放大器、调谐滤波器、混频器、中放电路和AGC控制电路等几部分组成,实现了大动态范围接收技术指标。
This paper focuses on the studies of four different structural types of tunable filter based on varactor. Firstly, according to the principal of coupled resonator filter a RF LC tuned filter is designed. 本文重点研究了基于变容二极管的四种不同结构类型的跳频滤波器。
Filter modules are consist of automatic tuning electronic filter, the problems need to be solved is the short period of electronic tuned filter, the period is less than 100 us, to ensure the good frequency variable speed. 其中抗干扰滤波模块由带有自动调谐功能的电子调谐滤波器组成,需要解决的问题是电子调谐滤波器调谐短周期的问题,其周期要小于100us,以保证速度满足频率捷变的要求。