微波量測原理

To teach students basic microwave measurement theory, applications, and error modeling and analysis of the spectrum analyzer, the scalar network analyzer, the vector network analyzer, and the noise figure meter.

微波工程簡介、微波工程一

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教師未提供此項資料

1.上課不點名,以期中、期末考試成績各站50%為計分標準。 2.提供學生考古題與解答。

• Theory of sweep frequency spectrum analyzer.

  1. possible configurations for frequency domain signal measuring. 2. super-heterodyne type sweep frequency spectrum analyzer. 3.review of Fourier analysis. 4. limitations of the settings

  講授：

  6

• Pulsed RF signal measurement using spectrum analyzer.

  1. Fourier analysis of a pulsed RF signal 2. pulsed RF signal in a sweep frequency spectrum analyzer 3. power level calculation and sensitivity analysis 4. Transform a frequency domain signal to a time domain

  講授：

  4

• AM and FM signal measurement using spectrum analyzer.

  1. AM signal analysis 2. Mathematical analysis of a single tone FM signal 3. Measuring a FM signal

  講授：

  5

• Preselecting and external mixer for spectrum analyzer.

  1. Spurious signal in a sweep frequency spectrum analyzer. 2. Using a preselecting filter to eliminate the spurious signal 3. Using external mixer to enhance the specific performance of a spectrum analyzer

  講授：

  2

• Theory of scattering parameters.

  1. matrix presentation of a two-port network. 2. scattering matrix and scattering parameters

  講授：

  3

• Theory of scalar network analyzer.

  1. basic configuration of a scalar network analyzer. 2. directional coupler and directional bridge

  講授：

  1

• Measurement uncertainties of the scalar network analyzer.

  1. measurement uncertainty caused by finite directivity. 2. Test port match and source match. 3. through measurement uncertainty. 4. source harmonic signal introduced problem

  講授：

  2

• Theory of vector network analyzer.

  1. different types of vector network analyzer. 2. the basic operation theory of them

  講授：

  2

• Super-heterodyne receiver type vector network analyzer.

  1. block diagram of a basic super-heterodyne type vector network analyzer. 2. various configurations of vector network analyzer. 3. extension to millimeter wave frequencies.

  講授：

  3

• Six-port type vector network analyzer.

  1. block diagram of a basic six-port type vector network analyzer. 2. theory of a six-port network analyzer 3. performance comparison between six-port type and super-heterodyne type network analyzer.

  講授：

  3

• Calibration theory of the vector network analyzer.

  1. Basic error models of a vector network analyzer. 2. Calibration theory. 3. SOLT calibration. 4. TRL calibration.

  講授：

  6

• Normal mode and sum-delta mode s-parameters

  1. Multi-port network analyzer. 2. Theory of normal mode to sum-difference mode S-parameter transformation.

  講授：

  1

• Noise in receiving systems.

  1. Sources of noises. 2. definition of noise figure and noise temperature. 3. noise calculation in a cascaded system.

  講授：

  3

• Theory of noise figure measurement.

  1. basic configuration of a noise figure meter. 2. system block diagram of Agilent 8970A noise figure meter.

  講授：

  2

• Calibration of the noise figure measurement

  1. ENR of a noise source. 2. types of noise sources. 3. calibration of a noise figure meter.

  講授：

  2

• Single and double sideband noise figure measurement

  1. noise figure of a receiver and a mixer. 2. single sideband and double sideband 3. possible configures to do a single sideband measurement. 4. theory of measurement uncertainty.

  講授：

  3

講義是參考多本相關領域書籍與Agilent,Tektronics的論文、application note及其他一些相關論文編寫而成。

地點

ED833

時間

星期四 上午 10:00-12:00

聯絡方式

ext 54513