The paper is concentrated on the new content - the transmission line theory that the field theory has still not involved . the paper gives a strict prove to the transmission line theory including mutual inductance and approves that the two integral forms of independent equations is not only applicable for lumped parameter circuits , but also for distributed parameter circuits 本论文在已有基础上研究场论说尚未涉及的新内容? ?传输线理论,对包含互感的传输线理论作严格证明,并证实积分形式的两组独立方程组不仅适用于集中参数电路,而且也适用于分布参数电路。
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。
The circuit essential of the dvi is a kind of high speed serial data communications . so the transmission line theory and the signal integrity ( si ) engineering technology is the most important elements in dvi circuit design . and knowledge about such technologies is also introduced Dvi接口的电路实质是高速串行通讯,为了将dvi接口电路在物理层设计成功,本文专门分析了作为现代高速电路设计与噪声控制的基础理论,传输线理论和信号完整性工程技术在dvi接口电路实际中的应用。
First , the dissertation introduces transmission line theory , analyzes si in the design of high speed pcb , including reflection , crosstalk , simultaneous switch noise etc in detail . secondly , the dissertation simulates the reflection and crosstalk of the given circuit models using hyperlynx , the eda software of mentor corporation , and shows the waveforms of reducing reflection by adding terminators and the waveforms of the crosstalk influenced by changing the parameters of transmission lines . at last the dissertation summarizes the solutions to reducing reflection , crosstalk and ssn , and introduces the design flow of high speed pcb based on si 本文首先介绍了传输线理论,详细分析了高速pcb设计中的信号完整性问题,包括反射、串扰、同步开关噪声等,然后利用mentorgraphics公司的eda软件hyperlynx对给定电路模型进行了反射、串扰仿真,并给出了通过端接技术减小反射的仿真波形和通过改变传输线参数对串扰的影响的仿真波形,最后总结了解决反射、串扰和同步开关噪声的措施,并介绍了基于信号完整性分析的高速pcb板设计流程。
For high stability of the system , with the realization of hardware of the system , the second part of this paper starts from the transmission line theory , and studies the signal integrity problem of high - speed circuit system in light current . the causes of these signal integrity problems , such as signal delay , reflection , crosstalk , ground bounce noises and etc . are analyzed in theory . combined with actual design , key points of design and standard design flow of general high - speed , high - precision printed circuit board are summarized , which has been applied in actual system , and good effect has been achieved 为使系统具有较高的稳定性,本文第二部分结合该处理器的硬件实现,从传输线理论出发,研究了弱电情况下高速电路印刷电路板中的信号完整性问题;从理论上分析了延迟、反射、串扰以及地弹噪声等信号完整性问题产生的原因;结合实际设计,总结了一般高速、高精度印刷电路板的设计要点和标准设计流程,并在实际系统中获得了应用,取得了很好的效果。
理论: theory传输线: tl transmission line; tra mi ion line; transmission line equivalent circuits形曲线理论: sigmoid curve theory等候线理论: queueing theory屈服线理论: yield line theory射线理论: ray theory升力线理论: lifting line theory天线理论: antenna theory涡线理论: line-vortex theory半波传输线: half-wave transmission line波导传输线: waveguide transmission line槽路传输线: tank line传输线,波导: transmission line传输线参数: linear electrical parameters; transmission line constants; transmission-line parameters传输线出错: line error传输线导纳: transmission-line admittance传输线电感: transmission line inductance传输线电缆: transmission-line cable传输线电流: transmission-line current传输线电压: transmission-line voltage传输线调整: transmission line regulation传输线干扰: line noise传输线功率: transmission-line power传输线广播: transmission line broadcasting传输线畸变: line distortion