等信號跟蹤 的英文怎麼說

中文拼音 [děngxìnháogēnzōng]
等信號跟蹤 英文
equisignal track
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : Ⅰ名詞(腳的後部或鞋襪 的後部) heel Ⅱ動詞1 (在後面緊接著行動) follow 2 (指嫁給某人) be marrie...
  • : 名詞(腳印; 蹤跡) footprint; track; trace; trail
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下: 1 、採用以輸出噪比最大為準則的最佳匹配濾波器來對分段的參考和目標作相關處理來檢測低噪比目標,然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波干擾,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向參數,就可以實現目標的定位和
  2. The motion carriers such as the automobile, trains, war vessels, the plane and so on, are in flux by their position and azimuth, if want kepting satellitic message and taking over satellitic signal, must adopt the platform system of tenaclous tracking satellite antenna

    汽車、火車、艦船、飛機運動載體的位置和姿態不斷的在變化,要保持與衛星的通訊聯系和接收衛星視頻,就必須採用衛星天線穩定平臺系統。
  3. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型,分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能,提出較佳的干擾方法和干擾碼型,並進行模擬模擬;分析了gps的格式,建立了gps的原理框圖模型、數學模型,並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾情形下的誤碼性能進行了分析比較,提出相對較佳的干擾方法,並做了計算機模擬,針對一數字式gps接收機中擴頻碼捕獲與環的特性進行分析;建立了link11和link4a數據鏈調制解調數學模型,對它們在噪聲干擾、單音干擾、多音干擾下的誤碼性能進行分析,最後對干擾情況進行了模擬模擬。
  4. Supervise the implementation of detailed network optimization, such as : network performance indicators analyzing, signaling trace, parameters and handover relationship checking, sites and hardware detecting, radio signal coverage and interference problems solving etc, in order to improve the whole network service quality

    負責具體優化措施實施,如進行話務指標分析,,參數及切換關系檢查,站點及硬體故障檢查,覆蓋及干擾問題檢查,以提升整體網路服務質量
  5. A / d samples the intermediate frequency signal. the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation, baseband differential detection and symbol synchronization, etc. digital up converter supports interpolation filter and complex mixer

    A / d對中頻進行采樣,數字處理部分以tigersharcdsp為核心,負責基帶采樣數字的處理,實現基帶調制,基帶差分解調,符同步的捕獲和演算法。
  6. The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods

    而系統處理軟體的作用是:利用pc兼容機,將上述裝置的輸出( 1 )通過并行口輸入( 2 )記錄成文件( 3 )逐點顯示出來( 4 )可人工進行化簡,編輯(刪、改點)( 5 )可在給定誤差范圍內進行人工擬合,用直線和圓弧取代原來的點,得到一個與原圖形的誤差在規定范圍內,又消除過程中因受到各種干擾而造成的缺陷,由盡可能少而簡捷的數學曲線描述的圖形( 6 )把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件(主要指dxf格式) ( 7 )該軟體還有一定的加密措施。
  7. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的建模問題,建立了雷達模型,主要包括:發射模型、接收模型、目標回波模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型。第二部分研究了脈沖多普勒雷達導引頭的處理模式,建立了和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度、角、 ?濾波,然後給出了處理流程。
  8. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講, pwm隨指令參考的控制性能在很大程度上影響著裝置的補償效果,本文選擇無差拍電壓空間矢量控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零矢量、精確以及無抖振優點,動態響應快。
  9. The paper has introduced a new means on the automatic focus that take advantage of the video peak to change the position of the focusing lens to achieve a clear picture

    摘要介紹了一種新型的自動調焦的方法,它利用電視系統視頻的峰值變化控制調焦鏡組,來調整由於目標距離、溫度變化引起的成像焦面變化,得到清晰圖像,完成電視自動調焦。
  10. Pile ng examination of the system based on the latest promulgated by the ministry of public security, " motor vehicle drivers license application and management " ( decree 71 ), the two examination subjects ( zhuangkao ), computer images using real - time detection technology and electronic infrared optical interface detection technology, i combine the companies creating two - dimensional moving object identification and tracking software through acquisition of vehicles running state examination pile pole, the signal line, after computer processing, analysis and judgment, the actual realization of the computer monitor screen on the basis of the examination process real - time simulation, tracking examination candidates track and record car line, is set admission, examination results published combines the real modernization zhuangkao tools

    本系統依據公安部最新頒布的《機動車駕駛證申領及管理規定》 ( 71令)中有關科目二考試(樁考)的規定,採用微機圖象實時檢測處理技術及電子紅外線光界面檢測技術,結合我公司獨創的二維移動物體識別軟體,通過採集考試車輛運行狀態、樁桿、庫線,經過微機處理、分析判斷,真正實現了在微機監視屏上根據考試過程實時模擬、考生考車軌跡並記錄路線,是集錄取、考試、發表成績為一體的真正的現代化樁考工具。
  11. Consecutive years was rated " green " " a - class products, " " china quality journey integrity trusted tracking units, " the honorary title

    多年連續被評為「綠色環保」 「國家a級產品」 、 「中國質量萬里行得過單位」榮譽稱
  12. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻射導彈( arm )的特點及其雷達回波中速度、加速度特徵,提出了一種新的基於ar模型的arm檢測演算法,該方法通過建立二階ar模型、估計代表不同目標的模型極點,並由此估算目標加速度來判斷目標性質,該方法不僅可以在雷達已上arm后採用,而且適用於雷達搜索掃描時使用,模擬結果表明該方法具有解析度高,對雷達脈沖重復頻率( pulserepetitionfrequency , prf )及積累脈沖數要求不高的特點,在低的prf及少的積累脈沖下,利用該方法仍可有效地識別檢測arm 。
  13. The idea of acoustic signal processing and echo control is to allow straightforward high - quality sound pickup and playback in applications, such as a duplex device like a speakerphone, a sound source - tracking apparatus like microphone arrays, teleconferencing systems with stereo input and output, hands - free cellular phones and home theatre with 3d sound

    聲學處理和回聲控制是想在應用中能夠獲得高質量的拾音和重放,這些應用包括耳麥之類的雙工設備、麥克風陣列之類的聲源設備、立體聲輸入輸出的遠程會議系統、不用手的蜂窩電話以及3d聲音的家庭影院
  14. The inter - link of tdrss contained forward link and return link. the forward link is the signal retransmitted from earth station to relay satellite, then transmitted the tt & c to the user aircraft

    前向鏈路指地面站經數據中繼衛星轉發,向用戶航天器(包括成像偵察衛星、航天飛機與載人飛船)發送、遙測與控制指令。
  15. Its major task is to switch o d, to guide tracking, to record, display and print real - time tracking information, to carry out automatic detection of system faults, to receive standard outer time signal, to produce simulative time, to monitor and process some variable from the radar system, etc. with the rapid development in national tt & c sector, the former digital system is showing more and more malfunctions and getting increasingly incompetent to the requirements of new tt & c missions

    其主要任務是:軸角至數字的轉換編碼;數字反引導;實時測量息的記錄、顯示、列印;對系統進行故障自動檢測;外時統的接收處理和模擬時統的產生;對雷達系統中某些狀態量和模擬量的監視和處理
  16. In order to get data, the plane use the way of comparative between the black line and white line. the device is composed of the pulse producer, system controller, signal processor, logic analyzer, interface circuit and electrical machinery driver. this device could follow the tracks of the plane graphic border automatically

    裝置運用黑白交界圖線比較法取得數據,由步進脈沖發生器,系統控制器,處理器,邏輯判別器,介面電路,電機驅動器組成,可對平面圖形邊界進行自動控制。
  17. First, the structure of the second generation ctdrs isl was discussed in this paper, the characteristic of coverage in the second generation ctdrs by the characteristic of orbit and the simulation model of isl was analyzed then the effect of the isl establishing process analyzed. second, the discussing and analyzing focus on the characteristic of signal during the establishing isl process, establishing the orbit model, the technology of doppler frequency shift capturing and tracking sequence and the effect of background noise, then the theory analyzing the parameters we have just mentioned, and this will support the reference for the implement of project. the simulation and test of the isl of ctdrs and analyzing from theoretical basis to implement of simulation were mainly focused in this paper

    其中討論了二代中繼星捕獲系統星間鏈路的模擬方案的組成結構,利用軌道特性對二代中繼衛星系統的覆蓋特性進行分析,搭建了星間鏈路的模擬模型,其中包括中繼衛星和用戶衛星在內的軌道模型、星間鏈路模型、用戶星調制模型,並對星間鏈路建立過程的影響進行分析;重點針對星間鏈路建立過程的特性,軌道模塊的建立、多普勒頻移技術、背景噪聲影響、載波的捕獲與技術進行了實際參數的設計與理論分析。
  18. It is one of the important parts for the control of hupqc to detect the reference compensation signal. the predictive strategy is presented based on wavelet theory, that means tracing the fundamental signal and replacing with sampling data every half cycle. the fundamental signal is forecasted step - by - step in a half cycle earlier

    補償指令的檢測是電能質量調節裝置的控制環節之一,本文提出了基於小波理論的預測檢測策略,基波,以半周期為采樣更新速度,應用小波變換法對的基波分量進行遞推式預報,並取其與實時之差做為參考,然後產主與之大小相、相位相反的作為hupqc的實時補償指令
  19. Because of this, the paper first presents the graphitization process and its equipment of longitudinal wise graphitization ( lwg ), based on the building of lwg furnace in shanxian xinxin graphitization electrode co., ltd, henann province. it also introduces the design of automation control system with programming logic controller ( plc ) and intelligent instrument, which can automatically trace the power chart and acquire protective signal

    該控制系統採用可編程邏輯控制器( plc )和智能儀表來實現送電曲線的自動、保護的採集,並且採用組態軟體和rs485網路實現了數據記錄、報表列印、報警處理功能,提高了石墨化過程的自動化水平和產品質量。
  20. However, although gps can provide worldwide real - time positioning service, the fatal shortcoming is that the positioning precision can be reduced sharply owing to the weak satellite signal which is blocked by buildings and trees etc. fortunately, gsm / gprs network can work and provide positioning service can transmit the position messages to remote users or servers

    然而, gps定位雖然能實現全球范圍內的實時定位,但是對于gps來說,其很大的一個缺點是衛星的常常由於建築物及樹木的遮擋而使gps的定位精度大大降低,甚至無法進行正常的導航和定位。而基於gsm / gprs網路的位置服務恰恰能彌補gps定位的這一缺點,並且gsm / gprs網路能將位置息傳送到遠端。
分享友人