接收距離 的英文怎麼說
中文拼音 [jiēshōujùlí]
接收距離
英文
receiving range- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
- 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
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The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
聲發射源與接收訊號傳感器間的距離以及環境噪聲的電平是選擇頻帶的主要依據。Sufficient or not of the battery on the device should be carefully examined before every flying, so do the every pole, helm and gemel, whether or not is the receiving antenna drew out of the body and in straight, examine the ground effective distance for remote control without the drawing out the antenna, ensure it nomal in rang of 30 - 50 meters
1 .仔細檢查測試設備每次飛行前都應該仔細檢查設備電量是否充足,檢查飛機各個拉桿舵角鉸鏈是否正常,接收機天線是否拉出機身並拉直,在不拉出發射機天線的情況下測試地面有效遙控距離,確定30 - 50米內不發生跳舵情況。Lfmcw radar adopts the receiver with the structure of “ homodyne - fourier ”, and acquires the range spectrum after its if signal is sampled, and then processed by ftt
Lfmcw雷達採用了「差拍-傅立葉」接收機結構,其回波中頻信號經數字採集后進行fft處理,從而獲得雷達的距離譜。In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive
反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在前,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準超半球型浸沒透鏡,滿足小光敏面探測器接收。The empirical analysis, using probit model, showed that the extension efficiency of the technique was obviously affected by following factors : income and cost, yield increase, farmers " age and education, non - agricultural income, farmer ' s social status, distance from town, frequency of farmers " contact with media and agricultural technicians
運用probit模型對超高茬麥田套稻技術推廣的影響因素進行分析,結果顯示畝增收節本、畝增產量、戶主年齡、戶主受教育時間、非農收入、是否幹部、離鎮距離、媒介頻率、與農技人員接觸次數對該技術的推廣有顯著影響。Gps receivers belong to the user equipment, mainly used to receive satellite signals and telegraphese, measure the distance from receiver to the satellites by the wireless signals, compute the position and speed of satellites by telegraphese, then compute the position and speed of user
Gps衛星接收機屬于衛星導航定位系統中的用戶設備,主要用於接收衛星信號和電文,由無線電信號測定用戶至衛星的距離,或多普勒頻移等觀測量;根據導航電文,計算觀測衛星的位置和速度,根據觀測量和衛星的位置、速度,解算出用戶的位置和速度。The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture
得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture
逆合成孔徑雷達( inversesyntheticapertureradar ,簡稱isar )信號處理對接收到的運動目標的回波信號進行相干處理,等價成一個大口徑天線,很大程度上提高了方位向距離分辨力。C ) analysis of counterplan. due to the covering of agriculture program relates closely to physical distance between agriculture program and peasants, while the affinity directs to their mental distance, the problem that how to improve audience rating of agriculture program must take the two aspects into account
(三)對策分析由於農科節目的覆蓋率直接指向農科節目與農民之間的物理距離,親和力指向二者之間的心理距離,所以探討如何提高農科節目的收視率有必要從這兩個方面來加以考慮。Since the echo signals are partly received, this radar system has detected the target adopting the processing mode of blocking echo signal before and after, and the problems of the isolation between transmitter and receiver and blind range are solved
該體制雷達採用前後截斷回波信號處理方式,當接收部分回波信號后就對目標進行檢測,解決了收發隔離和盲距問題。By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration
分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers
在被動激光偵察告警中,對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時,脈沖激光信號到達探測器的能量很小,會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法,可對強烈背景光中的激光威脅信號進行探測和告警,並給出其波長參數。According to the target distance ( 5 ~ 50m ), a c - band transceiver for ranging was presented in this thesis. the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source, a receiver and microstrip antenna
本文針對所探測目標的距離( 5 ~ 50m ) ,研製了c波段測距收發前端,主要包括c波段調頻連續波( fmcw )頻率源,接收電路以及微帶天線。At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line
首先,銅線的插入損耗將隨著線路距離的增加而成比例地增加,並且在同一距離下各子通道的插入損耗也發生變化,這個因素和線路固有的背景噪聲、脈沖噪聲、數據機的接收靈敏度一起將限制在單用戶線上adsl所能夠傳輸的最大距離。Perhaps it was with the hope of narrowing it that she yielded to his persuasions to go to night school and business college and to have herself gowned by a wonderful dressmaker who charged outrageous prices
也許是為了縮小距離,她接受了他的建議去上夜校,上商業學院,還請了一個了不起的女衣裁縫給她做衣服,那裁縫收費高得嚇人。Its high resolution in range is fulfilled by using pulse compression method. its high resolution in azimuth is achieved by utilizing the doppler information among the signals received by sar at different locations. hence, the acquired image of the targets is of very high resolution
它採用距離向的脈沖壓縮技術和方位向不同位置上接收到的脈沖間的多普勒信息來獲得兩維的高解析度,從而得到高解析度的目標圖像。There is a decrease in the radiant energy received at a specified distance from the explosion.
在離開爆炸某一特定距離處接收到的輻射能便有所減少。The telescope orbits the earth once every 92 minutes at a low - earth altitude of about 350 km. the data taken was relayed to the ground receivers at the miyun station near beijing
望遠鏡每92分鐘沿距離地面350公里左右的近地軌道圍繞地球一周,所接收的數據會傳送回位於北京附近的密雲縣地面接收站。The low - power, silicon microchip radios in the devices can transmit and receive data about as fast as a dial - up modem, but their range is limited to less than 30 meters ? sometimes much less
塵粒內的低功率矽晶片無線電,發送與接收數據的速度大約和撥接數據機一樣,但是作用距離卻不到30公尺,有時還會更短。This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )
本文主要對聚丙烯腈( pan )二甲基甲酰胺( dmf ) 、 pan二甲基已酰胺( dmac )體系進行電紡絲,調節靜電壓( 20 50kv ) 、噴頭孔徑( 0 . 5 0 . 8mm ) 、接收距離( 15 25cm ) 、溶液濃度( 6wt 14wt )等過程參數,制得pan納米纖維,纖維平均直徑在200 1000nm ;詳細分析了過程參數對纖維細度、形態等的影響,認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響,其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。分享友人