測線覆蓋范圍 的英文怎麼說
中文拼音 [cèxiànfùgěfànwéi]
測線覆蓋范圍
英文
line coverage- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 覆 : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
- 蓋 : 蓋名詞(姓氏) a surname
- 范 : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
- 圍 : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
- 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
- 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
-
In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open
近年來我國無線電技術水平已經有了很大發展和進步,但對于頻率覆蓋范圍寬( 20 - 3000mhz ) 、掃描速度快( 1ghz / s以上)並具備快速全頻段實時頻譜顯示和記錄的無線電監測接收設備,目前我國尚不能生產,國內現在已經進口的寬頻段監測接收機一般也只能進行低速掃描,無法滿足實際的需要。
分享友人