| 1. | The error correction of measurement system is very important in the measurement of s - parameter of microwave network used network analyzer
在网络分析仪对微波网络s参数的测量中,测量系统的误差校正非常重要。 |
| 2. | Now those world - class microwave network analyzers in circulation are too expensive for general use . in view of this condition , we made the research and development of asna2001 . our product can be used in research institutions , colleges and factory labs
针对市场上高档的微波网络分析仪价格昂贵，难于在短期内普及的情况，我们进行了这套新型微波自动测量系统的研制，该系统的适应性强，可供科研单位、高校院校和工厂实验室使用。 |
| 3. | The main function of this system is to real - time monitor the running state and the peripheral setting of electric power microwave network . so it reached the expectant goals , such as ensuring the safety in operation , enhancing the operational maintenance efficiency , reducing the establishment of staff and coming true the scientific management , and so on
本文开发了一种电力微波通信网分布式监测系统，该系统主要对电力系统微波通信网络的运行状况、周围环境等进行实时监测，以便保证电力微波通信网络安全运行，提高运行维护效率，减少人员配置，实现科学管理。 |
| 4. | The second , a complete simulation computation method for output circuit of broadband klystron is developed , basing on existing program isfel3d for simulation computation of three dimensions electromagnetic field , principle of output circuit of broadband klystron and microwave network theory . some practical examples are calculated and the calculated results are compared with cold test results , so that the reliability of the simulation computation method is proven
第二，基于现有的三维电磁场模拟计算软件isfel3d 、宽带速调管输出回路原理和微波网络理论，建立了一套完整的宽带速调管输出回路模拟计算方法，并通过实际例子的计算结果和冷测结果的比较，验证了该模拟计算方法的可靠性。 |
| 5. | Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper . the multiple antennae system is equivalent to a microwave network , then the admittance matrix of the network can be obtained . using the admittance matrix , we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom
本文采用矩量法对车载多天线间的相互干扰特性进行了分析，将多天线系统等效为微波网络，然后采用矩量法求该网络的导纳矩阵y ，利用该导纳矩阵对天线间互耦特性进行分析，同时计算天线的近场分布。 |
| 6. | The paper discusses and researches some detailed issues about the distributed monitoring system for the electrical enterprise microwave network . the main research contents and results in this paper are as follows : 1 . presenting a general scheme to implement the distributed monitoring system for electric power microwave network , including the software and hardware development of central monitoring station ( cms ) as well as the framework and scheme design of local monitoring station ( lms ) and data acquisition unit ( dau )
本文对该系统进行了详细探讨与研究，完成的主要工作和取得的成果如下： ( 1 )提出了电力微波通信网分布式监测系统的总体方案，包括中心监测站( centermonitoringstation ， cms )的软硬件研制，以及本地监测站( localmonitoringstation ， lms ) 、数据采集单元( dataacquisitionunit ， dau )两部分的结构和方案设计。 |
| 7. | The impedance matching criterion that the sum of all the radiating slot normalized conductances is equal to 2 for the inner feed , and also the sum of all the coupling slot normalized impedances for the series - shunt inner feeder is equal to 2 are verified by using microwave network theory
采用微波网络理论，在内部馈电情况下，分别对一条辐射波导上辐射裂缝的归一化导纳和为2的匹配设计准则，以及对串并形式馈电装置，对耦合裂缝的归一化阻抗和为2的匹配设计准则进行了证明。 |
| 8. | First , we introduce the basic theory , which is useful to density measurement , namely , transmission - line theory , its content consist of transmission - line equivalent circuit 、 smith chart 、 impedance matching and microwave network technology . the on - line density measurement technology with microwave has been narrated as a key part
首先，分析了微波密度在线测量技术的理论基础- -传输线理论，其内容包括将用于谐振腔设计的传输线等效电路、施密斯圆图以及阻抗匹配和微波网络等多方面的技术。 |
| 9. | This effects can be explained as follows : the radiation conditions are actually impedance matching condition in terms of microwave network , for a fixed dimension of a resonator and output transformer , only below the critical plasma density " , the matching condition can be satisfied in the smith circle map
我们提出，这一现象可从阻抗匹配的角度来解释。对于一确定尺寸的腔体、阻抗变换器，存在一个等离子体密度的临界值，只有在等离子体密度低于这个临界值时，腔体的输出阻抗和波导的特性阻抗才能满足匹配，即满足所谓的辐射条件。 |
| 10. | The quartenvave film stack based on one dimensional photonic crystal technology is designed . the measurement of the ir band is relatively mutual while that of mmw band is lack of report . the reflectivity of ir area ( 3 - 5 m ) by fourier transform infrared spectrometer ( ft - ir ) is given , and the experimental data of mmw band in microwave network analysis is also given
本文给出了直接在傅立叶红外光谱仪中进行的红外波段透射率(实际是反射率)测量结果，在毫米波波段，通过自行设计的测试方法与测试系统，给出了在hp8510矢量网络分析仪下测得的未镀膜、镀膜样品的比对测试结果。 |
