接收證實信號 的英文怎麼說

中文拼音 [jiēshōuzhèngshíxìnháo]
接收證實信號 英文
reception confirmation signal
  • 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...
  • 證 : Ⅰ動詞（證明） prove; verify; demonstrate Ⅱ名詞1 （證據） evidence; proof; testimony; witness 2 （...
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  • 證實 : 1 （證明其確實） authenticate; corroborate; affirm; demonstrate; confirm; verify 2 [數學] verific...
  1. First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif

    文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案，由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構，對ic2001和dsp的主要功能模塊， hi模塊， dsp片上外設hpi口、 edma和emif總線作了分析，並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統，進行功能實現后輸出數據繪制出波形圖，對所設計的基帶系統驅動方案進行驗證分析。
  2. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  3. A new method to estimate doppler centroid and doppler rate applicable to real flight condition is proposed

    該方法設置飛機速率和脈沖重復頻率比為常數，保證方位向接收信號均勻空間取樣，使用實時最小二乘擬合演算法。
  4. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  5. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容： ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程；以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解，對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎； ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論，並對衛星移動通信通道建模的研究工作提出了一定的看法； ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤；並從接收信號功率的角度出發，通過理論推導及模擬曲線擬合重新證明了在鄉村環境下，這兩個模型的確是具有等同性的；從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時，可以只採用corazza模型來對實際的通道進行建模，這樣可以避免重復的建模工作並提高研究工作的效率和準確性； ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果，保證了該模型在硬體實現時的可靠性和可行性，從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。
  6. This system is applied in the image data receiving portion. in order to debug system conveniencely, a signal source card and a data receiving card with pci interface are designed separately. the core of the signal source card is xc95144xl

    本系統應用於高速圖像數據的接收部分，為了方便系統的調試與驗證，整個系統分為信號源和接收卡兩個部分來設計，分別以一塊pci插卡的形式實現。
  7. Finally, basing on the if sr receiver subsystem hardware platform, by ad6620 programming on the line and tms320c6713 loading the digital signal quadrant demodulation program, the thesis having realized the demodulation of the am signal, which validates the key thinking of software radio

    .最後，本文基於中頻軟體無線電接收機子系統硬體平臺，通過ad662o的在線可編程、 tms32oc6713加載數字信號正交解調程序，實現了對中頻am信號的解調，驗證了軟體無線電關鍵思想。
  8. As a result, the concept of optimum signal threshold ratio was proposed to improve the ranging accuracy of the lidar and its computational formula was also presented in this paper

    通過改變接收信號強度，對不同信噪比、不同信號門限比條件下大量測距實驗結果進行了分析，驗證了最佳信號門限比的存在。
  9. Relative performance parameters of some transport equipment, satellite signal and solar signal in a station for verifying the feasibility of selective scheme are tested

    在選定方案的基礎上對相關設備的性能進行了測試，並針對設備測試與對衛星信號的現場實際相關接收測試結果進行分析，驗證了擬定方案的可行性。
  10. Secondly, we apply tk operator to the cross - correlation of received signal code and pn code to separate the multi - paths. it comes to a conclusion that tk operator can separate the multi - paths within less than the chip period accurately of spread - spectrum system with space - modulation by simulation. at last, we apply this algorithm to the practical signal collected by gps tap, and from the result we can drop a conclusion the tk algorithm is practical

    本文首先闡述了時空調制擴頻信號原理以及在多徑干擾下時空調制接收機的性能和teager - kaiser接收機的原理;接著對時空調制擴頻系統的解調信號與偽碼的互相關函數採用tk接收機進行多徑分離，模擬結果表明， tk接收機對時延在一個碼片內的時空調制擴頻通信多徑信號有很好的分離效果;最後用數據採集器對一個gps信號進行接收和多徑的估計，驗證了該演算法在實際的運用中對多徑的擴頻信號有很好的分離效果。
  11. This paper studies using asic ic2001 which is zte independently - developed and dsp from ti company to finish the driver of rake receiver and symbol processing function based on 3g base band. achieving the chip mapping, resource planning, the driver of baseband realization and experimental validation with the developing tool ccs ide supplied by ti company

    本文研究運用中興公司自行研發的專用集成晶元ic2001與ti公司的dsp晶元共同完成第三代移動通信（ 3g ）基帶處理上rake接收機和符號級處理功能的基帶系統驅動，在ti公司提供的開發工具ccs集成環境中完成晶元映射、資源規劃、系統驅動方案實現及進行實驗驗證。
  12. Prior to its submission, other scientists had verified that a very unusual signal had been received by some very special device they employed to monitor this victim ' s tv set

    在這個記錄被提交之前，另一些科學家已經證實了一個非常不尋常的信號，它是通過一些非常特別的設備接收到的，他們被僱用去監測受害者的電視機。
  13. The purpose of this article is to introduce the realization of medium frequency receive for bpsk pulse compress radar. and it includes the realization of constant false alarm rate ( cfar ) process. the main content of this article includes : ( 1 ) the introduction of radar medium frequency receiver ; ( 2 ) the introduction of medium frequency receiver theory ; ( 3 ) the simulation for medium frequency receive of bpsk pulse compress radar ; ( 4 ) the hardware realization for medium frequency receive of bpsk pulse compress radar

    本文的主要工作包括： （ 1 ）介紹雷達數字接收機的概念； （ 2 ）介紹中頻數字接收理論； （ 3 ）介紹二相編碼脈壓雷達中頻接收的方案設計和模擬驗證； （ 4 ）通過硬體描述語言ahdl ，完成中頻數字接收和脈壓處理演算法在fpga上的實現； （ 5 ）完成雷達中頻數字接收機信號處理板原理設計，並同課題組成員一起完成硬體調試，並給出相應的測試結果。
  14. Through using si analyse in the hardware design of a dtv set top box ( stb ), the main contribution of this paper is to give a series of solutions for si problems according to theoretically analyse and real works. advanced measuring systems have also been shown in the paper. with the help of this paper, the stb system of a world famous corporation has successfully get wide using of ddr sdram

    本文的主要工作是在針對消費類電子（ consumerelectronics ）領域中的數字電視接收機頂盒進行硬體設計的過程中，引入信號完整性分析的設計方法進行高速數字電路的設計，利用理論分析作為設計指導，通過測量、模擬和實際布板的結果進行驗證，得出一系列針對信號完整性問題的解決方案和設計流程，成功地解決了某世界著名企業的機頂盒系統中ddr存儲器工作頻率無法提高的問題，在新一代的機頂盒產品中廣泛使用ddr存儲器，在很大程度上提高了系統的性能，滿足了市場的需求。
  15. Based on the developed system, and equipped with module for wireless transmitting and receiving, the experimental validation for the functions of cdma techniques are carried through. corresponding experimental data is presented. it can be concluded that cdma system can realize the correct receiving, meanwhile cdma system will not interference with another receiver in the system and other receivers will not capture the signal from the working system

    基於所研製的系統，配以無線發送、接收模塊，進行cdma無線制導指令傳輸實驗、對cdma的原理進行實驗驗證，得出相應的實驗數據，證明了cdma技術一方面能實現信號的正確接收，另一方面又能防止對系統中其它用戶的干擾及非預定接收機對發送數據的截獲。
  16. In practice, it is difficult to keep orthogonal signal constellation between different users. so there always exists mai in ds / cdma system, which limits system capacity

    但實際中，很難保證到達接收端的各用戶信號的完全正交性，由此而產生的多址干擾極大的限制了系統容量。
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