Directional Couplers are four-port networks and fairly difficult to design.
定向耦合器是四端口网络，直接设计十分困难。
The characteristic impedance and image impedance of two-port networks are discussed in this paper.
主要讨论了二端口网络的特性阻抗与影像阻抗。
The noise correlation matrixes of two linked two-port networks were also gotten from basic definitions.
并推导了两个二端口网络的级联和并联后的噪声相关矩阵。
The characteristic impedance and image impedance are introduced in two-port networks of circuit analysis.
特性阻抗和影像阻抗是在电路分析中二端口网络部分引入的概念。
The previous researches on realization theory of reactance two-port networks are the special cases of this theory.
以前有关电抗二端对网络的实现理论，都属于本文的特殊情况。
The consistency theorem on normalized reflection coefficients and its corollary of LC-Ladder two-port networks are presented.
本文给出了关于LC梯形二端口网络归一化反射系数的一致性定理及其系定理。
The teaching group of Principles of Electric Circuits at Tsinghua University suggested a novel method of introducing two-port networks.
介绍清华大学电路原理课程在教学改革过程中，提出的有关二端口网络讲授时机和方法的一种新的处理思路。
From the theoretical point of view, the results presented in this paper are the general realization theory of reactance two-port networks.
文中所得结果，就理论而言，是电抗二端对网络的一般性实现理论。
In using calculation formulae of connecting two-port networks, wrong results will possibly be obtained if the problem of regularity is neglected.
在运用双口网络联接计算公式时，存在联接的有效性问题。
It is expected, that an automatic network analyzer com - posed of the six-port networks can be developed into an automatic measurement system with high performance.
由六端口网络组成的自动网络分析仪，可望成为技术性能高的自动测试系统。
The Y-parameters of Double-port networks in series-parallel connection and in parallel-series connectoin are deduced, and its application in circuit analysis is introduced.
导出了双口网络串—并联和并—串联的Y参数，并介绍了其在电路分析中的应用。
If reciprocity and symmetry exist for passive two port networks of linear time invariant under zero intial condition, the circuit parameters will have some important characters.
对于线性非时变的无源二端口网络，在零初始条件下，若存在互易性及对称性，则其电路参数具有一定的特殊性。
Your web application server can expose REST web services on port 80, making them a relatively easy method of integration across networks and servers.
您的Web应用服务器可以在80端口暴露REST Web服务，使得跨网络和服务器进行集成相对简单。
Port type - loading and unloading cranes net, cargo cover networks, group network, harness the network series.
港口类-装卸吊网、货物罩网、成组网络、吊带网络系列。
By maintaining the same port density per rack unit, customers can speed up networks without redesigning the architecture.
通过保持每机架单元相同的端口密度，客户可以加快网络无需重新设计架构。
The normalized port to port reliability index weighted by transmission capacity of communication network is very fit to evaluate modern high speed and wide band communication networks.
归一化传输容量加权通信网端到端可靠性指标，非常适合评价现代高速宽带通信网络。
When exciting Sin voltage source is applied to proper port, the stability of network depends on the sign of active and reactive components for fundamental-wave current entering port of networks.
若在适当端口施加正弦电压源，则网络的稳定性取决于进入端口基波电流的实功与虚功成份的符号值。
The relations between inverse transmission parameters of the two-port network and networks in series, parallel or cascade connection are deduced.
推导出双口网络串联、并联、级联的逆传输参数间的等效变换关系。
The relations between inverse transmission parameters of the two-port network and networks in series, parallel or cascade connection are deduced.
推导出双口网络串联、并联、级联的逆传输参数间的等效变换关系。
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