H-plane sectoral horn antenna

許多夫妻婚後總會因為各種小時而產生爭吵，若沒能妥善處理，更可能因此步上離婚一途。就有女網友發文抱怨「老公回家後就叫不動」，最終直接刷對方的卡花7萬買了「1物」，不少網友看完過程也笑稱「確實救了婚姻」。

一位人妻在臉書《靠北老公2.0》上發文抱怨「在我們家洗碗筷是老公的工作，但他常常要我提醒才去做，最後說好只要再累積三次要我提醒，就要讓你付錢解決」。

不料男方依舊把這次警告當耳邊風，原PO決定直接拿起老公的附卡衝往百貨公司，刷卡買下一台6萬8的洗碗機，順便也補充了一些家用必需品，「不想洗碗那就付錢解決問題」。

完整過程曝光後，不少過來人卻狂讚「能機器解決的事情，早該買了，省著吵架」、「從自動洗碗機、掃地機器人出世後，不知道拯救了多少個即將破碎的家庭，真是個好發明」、「身為男人不得不說，只要能用錢解決的家事，都不是事…」、「洗碗機已經是標配了，尤其在冬天，特別有感」、「三機(洗碗機、掃地機、烘衣機)救婚姻啦，不用猶豫」。（編輯：潘毅）

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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