熱電檢波器 的英文怎麼說
中文拼音 [rèdiànjiǎnbōqì]
熱電檢波器
英文
thermodetector- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
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The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939.
晶體檢波器不久即被熱電子管所代替,到1939年已大部分變成了廢物。The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble
系統採用電臺的電視伴音調頻信號,其中電臺信號與伴音信號功率之比基本為10 : 1 ,並且目標散射信號較弱,一般情況下淹沒在雜波和機器熱噪聲之下,採用常規的脈沖檢測方法很難對遠距離的目標進行檢測,而以電臺直達信號作為參考與目標回波信號進行相關檢測;系統中信號的相關處理會產生旁瓣,而強目標的旁瓣會影響附近的弱目標檢測。Conventional detectors, for example, inductive loop, detectors using ultrasonic, microwave, or infrared, have been put into use for several decades. meanwhile, a promising approach, video - based measurement system, has developed quickly. since it has many advantages, for instance, wider - area detection and superior flexibility, many researches have been done in this area
交通流檢測器有電磁感應線圈、超聲波檢測器、微波檢測器和紅外光標等多種方式,而基於圖像處理的視頻檢測方式近年發展很快,因為它具有大區域檢測、設置靈活等優越性,已成為智能交通系統的一個研究熱點。
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