等帶寬接收機 的英文怎麼說

中文拼音 [děngdàikuānjiēshōu]
等帶寬接收機 英文
equiband receiver
  • : 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...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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...
  • : machineengine
  • 接收機 : receiver; radio set; receiving set; receiving machine接收機保護設備 reprod; 接收機保護裝置 receiver protector
  • 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
  1. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻的體制和靈敏度、動態范圍、瞬時工作、測頻精度設計參數,通過改變預選器組成、本振頻率和本振,分析通道的中頻選取原則,以實現跳頻的互調抑制設計。
  2. Transportation : qixin golf course 20km, ningbo lishe airport 10km, ningbo southern train station, ningbo coach bus station, tianyi square. hall services : ordering and arranging services offlowers and miniature landscapes ; ordering of meals and drinkable water ; water, electricity, gas and telephone fee charging ; ordering of magazines and newspapers. business center : printing and photocopying ; long - distance calls ; graphic and context telex ; car renting ; ordering of train and air tickets ; mail and package posting

    公寓前臺代訂花卉及盆景擺設,代訂早午晚餐,代訂飲用水,代水電煤氣及電話費,代訂雜志及報紙商務中心提供列印及文件復印,撥長途電話,代發圖文傳真,貴賓汽車租賃,代訂車票及票,代寄郵件包裹另外,公寓還擁有快速adsl每戶可視對講系統24小時嚴密保安停車場
  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的信號格式,建立了gps的原理框圖模型、信號數學模型,並對其在噪聲干擾、窄噪聲干擾、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,並做了計算模擬,針對一數字式gps中擴頻碼捕獲與跟蹤環的特性進行分析;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. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相頻率合成方法充分發揮鎖相環良好的窄跟蹤濾波特性,並結合dds的高頻率解析度、高頻率精確度和高速頻率捷變優點,分別實現了系統所要求的高質量本振源和小步長頻率捷變;採用電調諧選頻技術,則大大改善了的選擇性和抗干擾能力。
  5. The channelized digital receiver based on srd is the electronic equipment, which can be used in communication and military affairs, because of its excellence on wide band frequency coverage, digital processing, software programming, high dynamic range, receiving signal with all probability, simultaneous signal detection and so on

    基於軟體無線電思想的通道化數字是一種即可用在通信領域也可用在軍事領域的電子設備,具有大、數字化、軟體化、大動態范圍、全概率、多信號同時處理優點。
  6. The parameters of the long - range remote control receiving system are analyzed and simulated thoroughly, such as the signal to noise ratio ( snr ) at the receiver, the delicacy of receiver, auto - gain and band - width of the pass - band. then the important references are provided for the design of long - range remote control receiver

    分析了遠程遙控系統的參數如輸入信噪比、靈敏度、自動增益和,並對遙控系統性能指標進行了估算,為遠程遙控的設計提供了一定的理論依據。
  7. A series of new technologies such as software radio, vxibus, dsp, virtual instrument, measurement and instrument, interface technology apply to the broadband monitoring receiver related to this paper. its research not only satisfies the needs of our radio monitoring branch, national defence branch but also breaks the technology blockage

    本文涉及的監測將軟體無線電技術、 vxi總線技術、 dsp技術、智能儀器技術、測控技術、介面技術一系列正在蓬勃發展的新技術緊密結合起來,它的研究不僅可以滿足我國無線電監測、國防、安全部門的實際需要,還可以打破少數發達國家對我國的技術封鎖,為我國的無線電監測、國防、安全部門的設備建設做出貢獻。
  8. Abstract : this paper analyzes and calculates some technical parameters of the receiving system for a telecontrol device, such as receiver sensitivity, bandwidth and so on

    文摘:針對水中遠程遙控裝置系統技術參數進行了分析計算,如靈敏度,
  9. The traditional methods of increasing the dynamic range of the receivers, such as sensitivity time control ( stc ), automatic gain control ( agc ), and band - pass intermediate frequency ( if ) limiting, are researched. it is pointed out the limitation of the traditional technologies in increasing the dynamic range in wideband digital ew

    ( 3 )研究了動態范圍的相關參數,分析了擴大動態范圍的常規方法,如靈敏度時間控制、自動增益控制、中頻限幅器和對數放大器,並分別指出常規方法應用於數字ew的局限性。
  10. The main achievements of the dissertation are included : ( 1 ) the limitations of the traditional channelized reconnaissance receivers indicate that it cannot be used to receive the ultra - wide radar signal. it is pointed that the ultra - wide receiver must satisfy ultra wide monitoring band, high sensibility, wide dynamic range and almost real - time response

    論文主要工作如下: ( 1 )分析了多種傳統通道化的結構性能,及其在超信號中的局限性,指出超通道化必須滿足實時性、高靈敏度和大動態范圍性能。
  11. Based on wide dynamic range and high sensitivity technology, wideband digital electronic warfare ( ew ) receiver is able to have wide monitoring band, high sensitivity, high intercept probability, wide dynamic range, and the ability of the multi - signal processing at one time. it can scout many kinds of signals, such as radar and communication signals

    建立在大動態高靈敏度技術之上的數字ew偵察,要求能夠實現的輸入、高的靈敏度和解析度、大的動態范圍、採用數字化處理和具有多信號處理能力,完成對雷達、通信各類信號的偵察工作。
  12. The researches in this dissertation focus on several key technologies in mt receiving of wideband code division multiple access ( wcdma ) system, including digital matched filter, rake receiver, design method of synchronization and digital shaping filter

    本文研究第三代移動通信中的碼分多址( wcdma )系統移動臺( mt )的若干關鍵技術。包括數字匹配濾波器、 rake、同步電路設計和數字成型濾波器
  13. Abstract : in a network system, overflow or overwrite of message buffer will cause missing of messages. for a timed token network, message transmission time and the message buffering space allocation in a node are very important issues on network real time capability. this paper analyses the message buffering mechanism, describes the relationship of message buffering space and message transmission bandwidth allocation, and proposes a space determination method of message buffer for ltpb network. the maximum space redundancy avoiding buffer overflow for “ send ” and “ receive ” buffers has been derived. it is found that the space of “ send ” and “ receive ” buffers is equal to the message size under condition that the message gap time is greater than message latency and node response time

    文摘:在網路系統中,節點緩沖區內消息發生覆蓋或溢出會造成消息的丟失,對于限時令牌網路,節點消息發送時間和消息緩沖容量的分配是影響消息實時性的重要因素.針對令牌傳遞網路分析了節點消息緩沖制,說明了消息緩沖容量的確定與網路分配方法的關系,並提出了消息緩沖容量的確定方法,導出了避免消息覆蓋或溢出所需的最大發送和緩沖容量余度.指出在消息的產生間隔大於該消息的最大允許的延遲時間和節點響應時間的條件下,發送和端的消息緩沖容量於被緩沖消息的長度
  14. In a network system, overflow or overwrite of message buffer will cause missing of messages. for a timed token network, message transmission time and the message buffering space allocation in a node are very important issues on network real time capability. this paper analyses the message buffering mechanism, describes the relationship of message buffering space and message transmission bandwidth allocation, and proposes a space determination method of message buffer for ltpb network. the maximum space redundancy avoiding buffer overflow for “ send ” and “ receive ” buffers has been derived. it is found that the space of “ send ” and “ receive ” buffers is equal to the message size under condition that the message gap time is greater than message latency and node response time

    在網路系統中,節點緩沖區內消息發生覆蓋或溢出會造成消息的丟失,對于限時令牌網路,節點消息發送時間和消息緩沖容量的分配是影響消息實時性的重要因素.針對令牌傳遞網路分析了節點消息緩沖制,說明了消息緩沖容量的確定與網路分配方法的關系,並提出了消息緩沖容量的確定方法,導出了避免消息覆蓋或溢出所需的最大發送和緩沖容量余度.指出在消息的產生間隔大於該消息的最大允許的延遲時間和節點響應時間的條件下,發送和端的消息緩沖容量於被緩沖消息的長度
分享友人