Log Periodic Antenna

國立臺灣大學不但是台灣最高學府，也是許多人的第一志願，近日就有一名網友分享，他發現遇到的台大生都非常有想法，還有電機系畢業生不去科技業，反而選擇走金融業，讓他感到神奇，貼文曝光後，釣出內行人出面喊：「金融業做fintech（金融科技）賺的才多」、「Quant（金融工程師）賺到爆…」。

該名網友昨（5）日在PTT貼文，他以「台大電機畢業，不去科技業」為題，表示近期發現認識的台大畢業生都很有想法，還有人從電機系畢業後，直接走金融業，完全不考慮科技業，顛覆一般人的價值觀，甚至過去還遇過想考公務員的，讓他感到非常神奇。

貼文曝光後，有網友表示，「我是有認識台大電機跑去務農」、「我知道有個台大電機的跑去唱饒舌」、「超多天才的都會去做我們這些平凡人想不到的事，然後因為他們就是天才，去做什麼都很可以上手發光」、「去年的台股奇蹟航海王就是台大資工的，電資去炒股很強的」、「業務能力強的去當房仲，賺的錢不輸科技業」。

也有內行網友指出，「高頻計量交易啊，工時穩定賺得又多」、「金融業做fintech（金融科技）賺的才多」、「Quant（金融工程師）賺到爆…」、「金融業也是有資安部門、數位金融部門，這些都很需要」、「hedge fund（避險基金）和quant現在真的屌打碼農」、「美國一般新鮮人碼農是20萬左右，hedge fund是四五十萬」。（編輯：賴禹妡）

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The log-periodic antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
In terms of its specification, a typical log periodic antenna might provide between 3 and 6 dB gain over dipole for a bandwidth of 2:1 while retaining a VSWR level of better than 1.3:1. With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.

EMC/EMI pre-compliance test antenna.
Very high gain over the full frequency range.
 Meets latest EMC standards up to 7GHz.
Suitable even for immunity measurements