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Active Laser Jamming 主動式雷射防護罩測試 |
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Active Laser Jamming 主動式雷射防護罩測試 June 24th - 26th
2005 測試日期 2005年 6 月 24~26日 地點:美國 德州 EL Paso As we have seen during this test and those of previous years, police laser gun transmissions are very narrow and detectors have a difficult, if not impossible task, of providing any advanced warning. The sale of police laser guns are soaring especially in traffic dense metropolitan areas. Laser guns are now for sale that include a digital camera, providing visual evidence of a speeding infraction. 我們這種這一個測試在前數年前已經見到，因為警察雷射槍傳輸面積非常狹窄，而且雷達測速器偵測尚有困難，要提供任何前方行進間的雷射警告,算是比較困難的。 警用雷射槍的銷售, 在交通密集的大都市的區域中,尤其是大量使用的。整體雷射槍現在是因為包括一個數位相機的售賣，可以提供一個駕車超速違反的視覺證據。 These problems have led to the introduction of laser counter measures, a camouflaged word for laser jammers. Although there is a federal prohibition for radar jammers, there are no such federal laws against operating a laser jamming device. Laser is controlled by the US Food and Drug Administration for eye safety; whereas, radar is controlled by the Federal Communications Commission. 上述的這些問題,已經導致雷射的介紹計數措施，為雷射干擾器的一個被偽裝的字。 雖然為雷達干擾器有聯邦的禁令，但目前仍沒有聯邦的法律反對操作一個雷射干擾裝置。 雷射對於眼睛是安全的 屬於被美國食品藥物管理局所掌制； 然而，雷達則屬於被聯邦通訊委員會 控制。
Court precedent and officer training recommend and command that laser may not be used for issuing a speeding ticket past 1,000 feet due to the divergence of the laser's beam. 由於雷射的光線會發散,在法院先前的判例與官員教育下, 推薦並且命令規定雷射槍不可能作為1,000 呎外,開立一張駕車超速罰單的依據。 ,Many new, copy cat laser jammers have raised their heads during the year. Many of these laser jammers have illegally copied established laser jammers. Patent lawsuits are expected to follow. This is typical in consumer electronics. 許多新的，仿冒的雷射防護罩已經慢慢的出現在市場上。 大部份這些雷射防護罩已經非法地抄襲仿冒原本正廠的雷射防護罩。專利的訴訟被期望執行追蹤。 在消費性電子產品中,這是常見典型的。 SML used the three most popular police laser guns, i.e.: LTI Ultralyte LR 200 , Stalker LZ-1 and Kustom Signals Pro Laser III, during this years test. These three guns account for 97% of all laser guns sold in North America. < SML 使用三種這幾年最常見的警用雷射槍,包括 LTI Ultralyte LR 200 , Stalker LZ-1 and Kustom Signals Pro Laser III, 這三種雷射槍的數量佔北美的97%銷售) A cone was placed at 1,000 feet and one at 500 feet. Test vehicles approached the 1,000 foot cone at a speed of approximately 30 MPH and counted down, "three, two, one" to the cone The officer then fired the laser gun. This was then repeated at the 500 foot cone. 一個圓錐體以 500 呎在 1,000 呎和一被放置。 測試車輛以大約的速度接近了 1,000 呎圓錐體 30 MPH 並且計算下來，”三，二，一”到圓錐體官員然後點燃了雷射槍。 這然後在 500 呎圓錐體被重複。
This test was repeated three times for each laser gun. The following is a percentage of jam for all three runs. "AP" signifies At Front Plate, "HL" signifies at Headlamp 每一支雷射槍 再不同的距離及瞄準點情況下 射擊三次, 其中<HL 代表 射擊車頭大燈> < AP 代表 瞄準前車牌> To accurately report your distance from a radar gun, the radar detector warnings should increase as you approach the radar guns location. The below graph should not be an indication of reception and/or performance, but only as a guide to signal strength displayed by that individual detector. 為了要正確地報告來自一隻雷達槍的你的測試距離,過程中也使用了雷達槍來探測車輛位置，當你接近雷達槍位置的時候，雷達測速器亦警告應該增加。 那在曲線圖下面不代表 接受 或 表現 ，只是象徵由個別的偵測器顯示的訊號強度
整體測試結果顯示 BLINDER M20 為目前效果最好的防護罩品牌 防護率達 33/36 = 92% ,從另一個角度來討論雷射槍,亦可發現 Stalker LZ-1 的雷射狙擊能力 面對市售的雷射防護罩仍高達 87.5% (剩下的12.5% , 其中有2/3, 是因為對付的是M20,M20效果太強了) , 遠高於其他兩款 Ultralyte LR 200 的 77% 及 Kustom Pro Laser III 60% , 兼接證實顯示雷射槍的狙擊能力 Stalker LZ-1 大於 Ultralyte LR 200 大於 Kustom Pro Laser III Stalker LZ-1 >> Ultralyte LR 200 >> Kustom Pro Laser III
整體防護罩的效能 前三名應該是 Blinder M20 92% 最好,再來是 Bel/Escort Shifter 53% ,接下來的單片裝的 Lidatek LE-30 表現39%尚可. 其餘的就看看就好了
* The Bel/Escort laser jammers were mounted on a full size Chevy pick-up while the other jammers in this test were mounted on a mid-sized car. The distance from the license plate to the headlamps was much greater for the Bel/Escort compared to the other jammer tests. In fairness to Bel/Escort, their jammer was retested on a mid-sized white BMW M3. During this second test, the Bel/Escort scored 86% ** The Lidatek LE-30 used during the SML test was a single head unit mounted in the center of the bumper. During the test, the 1000' and 500' tests were run separately to allow the unit to recycle between testing points. Independent tests, using their dual head system, had a much higher jamming effect.
An IR video camera with monitor was used during the test to validate that the jammer heads were properly activating when the unit began its jamming sequence. 使用紅外線的攝影機觀察雷射防護罩是否正常作用!
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