英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

gobe    
n. 护镜

护镜


请选择你想看的字典辞典：
单词字典翻译
gobe查看　gobe　在百度字典中的解释百度英翻中〔查看〕
gobe查看　gobe　在Google字典中的解释Google英翻中〔查看〕
gobe查看　gobe　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Return Loss in Transmission Lines | Tutorials on Electronics | Next . . .
    Return loss quantifies the reflection efficiency of a transmission line by measuring the ratio of incident power to reflected power It is expressed in decibels (dB) and derived from the reflection coefficient Γ, which characterizes the impedance mismatch between the transmission line and the load
  • Mastering Return Loss in RF Engineering - numberanalytics. com
    Learn the fundamentals of return loss, its importance in RF engineering, and how to measure and optimize it for improved system performance
  • Reflections on Return Loss
    For example, at 12 GHz the Superport adjacent path MM5130 Return Loss is typically 17 dB Assuming 20 dB Return Loss for interconnecting sections then resultant Return Loss could go to ~11 55 dB
  • VSWR and Return Loss | Tutorials on Electronics | Next Electronics
    While VSWR describes the ratio of maximum to minimum voltage amplitudes along a transmission line, return loss measures the fraction of incident power reflected due to impedance discontinuities The two are mathematically related through the magnitude of the reflection coefficient (Γ)
  • Return loss - Wikipedia
    If a transmission line is correctly matched to a load, the reflected power will be zero, no power will be lost due to reflection, and "return loss" will be infinite
  • Distance To Fault Measurements for Cable Antenna Analyzers - Anritsu
    Distance To Fault (DTF) is a performance verification and failure analysis tool used for antenna and transmission line service and maintenance It uses the Frequency Domain Reflectometry (FDR) measurement technique
  • Transmission Line Loss - Microwaves101
    Here we will review some of the math for calculating the RF losses (attenuation) of transmission lines over frequency We'll guide you to some of our other pages that show calculations of attenuation of different transmission line geometries
  • What is Return Loss? - everything RF
    Return loss (RL) is the ratio of the reflected power to the incident power, in decibels (dB) Now, let us investigate the physical meaning of return loss
  • High Fidelity PCB Design for Multichannel Beamformers —Part 1: Return Loss
    This article discusses how to design and manufacture highly accurate RF PCB transmission lines and connector transitions with excellent return loss that route signals onto and off of the PCB through the transmission lines connecting to high count RF input and output BFICs
  • WHAT IS RETURN LOSS, AND WHY I SHOULD MEASURE IT
    By definition, "Return Loss" refers to that portion of a signal that cannot be absorbed by the end of line termination, or cannot cross an impedance change at some point in the transmission system





中文字典-英文字典  2005-2009