無線電射線 的英文怎麼說
中文拼音 [wúxiàndiànshèxiàn]
無線電射線
英文
radio ray- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 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...
- 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...
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
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Ctcss does not alleviate rf interference
Ctcss並不會降低無線電射頻信號的干涉。This study collects signals over a vast range of radio frequencies ( between 1. 2 and 3 gigahertz ) that might carry alien radio or television leakage, as well as a formal beacon
它收集寬廣的射頻范圍內的信號,在這個范圍可能有外星人泄露的無線電和電視信號或他們發射的信號(在1 . 2到3兆赫之間) 。In actual fact, a suitably modified amateur radio transmitter operating in either the 420 to 450 megahertz band or the 1. 3 gigahertz band, with a highly directional antenna, is capable of transmitting voice to skull signals at less cost than the price of an automobile
事實上,一個適當限制在420到450兆赫波段或1 . 3千兆赫波段的帶有高度定向天線的業余無線電廣播發射機,能夠把聲音信號傳給頭骨並且所花的費用比一輛汽車的價格還要少。Above this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals
圖上這座口徑34米的天線,編號dss - 13 ,隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時,小行星會把部分電波反射回地球,並由dss - 13所接收。Above ) this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals
(圖上)這座口徑34米的天線,編號dss - 13 ,隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時,小行星會把部分電波反射回地球,並由dss - 13所接收。The first such machine, a radio - controlled “ fairey queen ” biplane, was catapulted into the air in 1933 and survived two hours of live fire from a british warship
首架這樣的飛行機是一架由無線電控制的雙翼飛機,且名為「仙境中的女王」 , 1933年被彈射而飛向天空,並在一艘英國軍艦的炮轟下挺了兩個小時。When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the
通常恆星的自轉軸和磁軸並不一致,中子星亦不例外,所以沿著磁軸向外發射的無線電波束,在中子星自轉的帶動下,便會如燈塔般向宇宙掃射,這便是著名的In contrast, a pulsar emits a lot of its radiation in radio wave
脈沖星所發放的輻射則主要為無線電波。Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.
無線電射束也象探照燈的光束一樣,是不能高度集中的;它總要散開。And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south
當陣列發射訊號給行動電話用戶時,處理器會傳送一個異相的訊號到其中一個天線,產生由北往南的無線電波束。Radio interference produced by electromagnetic radiation
因電磁輻射而產生的無線電干擾。The radio spectrum ? the segment of the electromagnetic continuum containing waves in the radio - frequency range ? accommodates countless communications devices today
無線電頻譜(一個連續的射電頻率范圍區段)容納了今日無數的通訊頻率。Methods of measurement for radio transmitters ; part 4 : amplitude frequency characteristics and non - linearity distortion in transmitters for radiotelephony and sound broadcasting
無線電發射機測量方法.第4部分:無線電話和播音發射機Methods of measurement for radio transmitters. part 4 : amplitude frequency characteristics and non - linearity distortion in transmitters for radiotelephony and sound broadcasting
無線電發射機的測量方法.第4部分:無線電話和播音發射機的幅頻特性及非線性失真Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar
人為地輻射或反向輻射電磁波,使一段特定的無線電波譜的可用性削弱,而這一波譜段是由敵人的通訊或雷達所使用。6 type products whether one have whorl, card lock connection device of organization, it apply to post and telecommunications communication equipment, figure buy the line device extensively, the radio instrument waits until joining the coaxial cable of the radio frequency to use in the radio frequency return circuit, and can change each other with the products that iec60169 - 13 stipulate
型產品是一種具有螺紋、卡鎖機構的連接器,它廣泛應用於郵電通信設備、數字配線裝置,無線電儀器等射頻迴路中連接射頻同軸電纜用,並能與iec60169 - 13規定的產品相互換。This thesis focuses on application of sdr to a transmitter
本文主要研究軟體無線電在發射機中的應用。On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former
作者提出了一種基於帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。A radio antenna converts electric currents and voltages created by a transmitter into electromagnetic waves that radiate into space
無線電天線會把發射器產生的電流與電壓轉變成電磁波,然後以輻射方式在空中傳播。Mil - c - 39012 specification for harmonized system of quality assessment for electronic components - blank detail specification : radio frequency connectors type mil - c - 39012
電子器元件質量評定協調體系規范.無線電射頻連接器.空白詳細規范分享友人