相位編碼 的英文怎麼說

中文拼音 [xiāngwèibiānmǎ]
相位編碼 英文
pe phase encoding
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 相位 : phase position; phase
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. 6. 30mm, 1600bpi 630pmm information systems - unrecorded magnetic tape cartridge for information interchange - 0. 250 inch 6. 30 mm, 1600 bpi 63 bpmm, phase encoded

    信息系統.信息交換用未記錄的微型盒式磁帶.相位編碼的， 0 . 250英寸
  2. 6. 30mm, 1600bpi 63bpmm information systems - recorded magnetic tape cartridge for information interchange - 4 track, 0. 250 inch 6. 30 mm, 1600 bpi 63 bpmm, phase encoded

    信息系統.信息交換用已記錄盒式磁帶.相位編碼的， 4道， 0 . 250英寸
  3. On 9 tracks phase - encoded recorded magnetic tape for digital data storage, density 63 rpmm 1600 rpi

    數字數據存儲用9磁軌相位編碼的記錄磁帶.密度為63rpm
  4. At first, double random phase encoding techniques are looked back and its improved methods are introduced in detail. in connection with characteristics of spherical wave gene and function of phase mask, one random phase encoding techniques are proposed with spherical wave based on 4f system

    本文首先對雙隨機相位加密技術進行了回顧，並對它的一些改進方案的特點作了詳細介紹，並在此基礎上，根據球面波相位因子的特點和相位掩模在加解密中作用，提出了一種利用球面波照射4f系統的單隨機相位編碼加密的新方法。
  5. At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following

    文中首先綜述了數字脈沖壓縮的優點及其實現方法，接著討論了相位編碼信號的特點，並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。
  6. To solve the problem of higher range sidelobe of phase - coded radar, the method of removing big power signals with fft _ ifft is presented in this paper

    針對相位編碼雷達距離旁瓣較高的問題，本文提出了fft _ ifft法去除大功率信號來抑制距離旁瓣。
  7. And it request this kind of signal does not involve the complex of the processing system. because the signal is used in practice, so using this signal into high frequency software radio is an important part of this paper

    由於產生的信號時面向應用的，將所產生的信號應用到實際的系統當中去也是本課題的一個重點。本文所採用的信號主要是基於脈沖壓縮的調頻斷續波和相位編碼信號，這兩種信號在實際的系統中有著廣泛的應用。
  8. In this paper, firstly, radar pulse compression is introduced briefly, summarize three primary pulse compression signals : lfm, nlfm, pcm

    本文首先對雷達脈沖壓縮的原理作了簡要的介紹，進一步詳細分析了應用最廣泛的線性調頻信號，並簡要介紹了非線性調頻信號和相位編碼信號。
  9. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。
  10. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    通過對脈沖壓縮雷達的信號特徵的研究和分析，通過研究線性調頻和相位編碼脈沖壓縮技術的原理和特點，建立了這兩種雷達的數學模型，並對此進行移頻干擾和相位編碼雷達干擾，並進行干擾性能的評估和模擬研究。
  11. Large time - band product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are one of key technologies for pulse compression radar systems

    具有大時寬帶寬積的信號，如線性調頻信號、非線性調頻信號、相位編碼信號等是雷達應用脈沖壓縮技術的關鍵之一。
  12. Pulse compression technique and large timeband product signals such as linear frequency modulation signals, nolinear frequency modulation signals, phase coded signals and so on are widely used in modern radar systems to improve the resolving power both in range and in speed domain

    現代雷達為了提高雷達作用距離和速度分辨力、距離分辨力，廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如：線形調頻、非線形調頻、相位編碼信號等。
  13. Because of using spread spectrum technique, phase - coded radar has good anti - jamming capability and low probability of intercept property. so more and more attention has been paid to the research on it for military and civil application

    相位編碼雷達採用擴頻技術使其具有良好的抗干擾能力和低截獲概率特性，因此在軍民兩用方面其研究日益受到人們的關注。
  14. For it has many unique advantages, pseudo - noise linear m - sequence binary phased coded cw signal is widely used in the new generation air defense systems

    偽隨機m序列相位編碼連續波信號體制由於其固有的優點，在新一代地空制導雷達中得到了廣泛的應用。
  15. First in this paper, we review the development of radar signal processing and cfar detector, analyse the structure and principle of the signal processor, ca - cfar and os - cfar detectors. then, in view of the characteristic of prc cw signal, analyses the statistics characteristic of scattering bodies, models of target, noise, ground - clutter and weather - clutter are made. these lay a theoretic foundation of signal processing and cfar detector

    然後，本文針對x波段偽隨機m序列相位編碼連續波信號體制，分析了各種散射體的統計特性，對雷達目標及檢測背景噪聲（熱噪聲、地雜波和氣象雜波）進行了理論分析和統計檢驗，建立了目標及檢測背景的目標模型，確立了信號處理和恆虛警檢測的理論基礎。
  16. Pulse compression technique is widely used in modern radar systems. large timeband product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain

    現代雷達系統廣泛採用脈沖壓縮技術，在確保雷達作用距離和速度分辨力的前提下，採用大時帶積脈沖壓縮信號:如線性調頻（ lfm ） 、非線性調頻（ nlfm ）和相位編碼信號等，提高距離分辨力。
  17. Detection performance and anti - jamming capability of phase - coded radar are also analyzed in this paper. the computer simulation shows that phase - coded radar has better property of suppressing jamming such as shortwave, gauss noise and binary phase code than lfm radar

    本文還分析了相位編碼雷達的檢測性能和抗干擾能力，模擬結果顯示相位編碼雷達抗短波、高斯白噪聲、二相碼等干擾的能力優于線性調頻雷達。
  18. Quantification of mitral regurgitation in children by velocity - encoded cine mr imaging

    磁共振相位編碼速度標識技術在兒童二尖瓣反流定量分析中應用
  19. High - accuracy miniature ct and a / d modulation are adopted to realize high - accuracy property ; method of phase encoding is presented and hardware is selected to realize low power - consumption property

    採用微型高精度ct和a / d調制實現系統的高精度要求，採取硬體措施並提出一種相位編碼方法實現高壓側電子電路的低功耗要求。
  20. Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code

    最後，我們結合某型雷達，以64相碼信號為例，說明了遺傳優化演算法在編碼搜索中的優越性，並採用了迭代加權最小二乘演算法來設計失配濾波器以達到相位編碼信號的優化副瓣抑制目的，且給出了相應的模擬結果。
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