脈位調制 的英文怎麼說

中文拼音 [màiwèidiàozhì]
脈位調制 英文
ppm pluse position modulation
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 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...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  1. Random pulse position modulation ( rppm ) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm

    隨機脈位調制信號不僅具有良好的距離和速度分辨力,而且具有較低的被截獲概率和較高的抗干擾性能。
  2. A interception probability reduction theory by means of comparing the rppm with constant pri pulse sequence is also analysised in this paper, further more the strong properties of eccm of the rppm is discussed and analysised

    此外,本文還介紹了隨機脈位調制信號比較于等重復周期( pri )沖信號來降低信號被截獲概率的原理,討論並分析了隨機脈位調制沖多普勒雷達較強的抗干擾能力。
  3. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短沖技術發生了革命性的變化,利用自相調和負群速度色散結合的類孤子產生方式,人們已經在鈦寶石鎖模激光器上得到了寬只有幾個飛秒的光沖。
  4. Ppm pulse phase modulation

    沖相調
  5. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機脈位調制與隨機二相碼調相復合沖串信號具有「圖釘型」的模糊函數,不存在距離速度模糊,具有良好的測距測速性能。
  6. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用沖分配器和單極性電壓驅動技術實現了步進電機的控和驅動功能;採用調技術和cmos互補h橋驅動技術實現了直流伺服電機的控和驅動功能;採用d / a轉換器實現了交流變頻器的控功能;採用數字化相檢測技術實現了感應移相器置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器置反饋信號的檢測功能。
  7. It is proved that hyperbolic - secant pulses ( solitons ) have inherent ability to suppress pmd, this adaptive ability is due to the balance between nonlinear xpm effect and pmd effect. it is studied on the influence of polarization - mode dispersion on wdm system in this dissertation

    大量研究已經證實了雙曲正割形沖(孤子)對偏振模色散具有本徵抑能力,這種自適應能力歸功于交叉相調效應與偏振模色散效應之間達到平衡。
  8. The system can generate three - phase spwm pulses and has following characters : the range of modulation frequency is from 0 khz to 4 khz. and can be divided to 7 classes to control. the carrier frequency may be selected up to 24 khz, and can be divided to 8 classes to control ; rotational frequency is defined to 16 bits

    該系統能產生三相六路正弦調( spwm )波形;調頻率范圍為0 4khz ,分7級控; 16的速度控解析度;載波頻率分8級控,最高可達24khz ;系統介面兼容intel系列和motorola系列單片機;該系統控簡單、精確,易修改,可現場編程;同時具有沖延時小、最小沖刪除、過壓和過流保護功能等特點,可應用於pwm變頻調速系統的全數字化控
  9. In this dissertation, we systematically study the pulse - position - modulated pulse - sequence ( ppm - ps ) radar signal theory and its applications to radar / fuze systems

    本文系統地研究了脈位調制沖串雷達信號理論及其在雷達引信中的應用。
  10. The main works include the analysis, generation and processing of ppm - ps radar signals, ppm - ps - based radar / fuze systems and key techniques of the radar / fuze system implementation

    主要工作涉及脈位調制沖串雷達信號的分析、產生、處理以及脈位調制沖串雷達引信系統構成和實現的關鍵技術。
  11. Pulse position modulation ppm

    脈位調制
  12. For the cps signals, we propose a stochastically processing method to reduce distance side - lobe

    深入地討論了脈位調制沖串信號的處理方法。
  13. We study the techniques of generating the ppm - ps signals and intermediate frequency ( if ) sampling

    研究了脈位調制沖串信號的產生和中頻采樣技術。
  14. Moreover, theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed

    在此基礎上,進一步討論了隨機脈位調制加隨機二相碼調沖多普勒雷達原理。
  15. By introducing oppm ( overlap pulse position modulation ), the system ' s performances are improved also. 5 study wireless optical cdma system

    通過引入oppm (重疊脈位調制)方式,進一步提高了系統的傳輸效率。
  16. The results show that the cps signals have low probability of interception and strong anti - interference ability. 4. we thoroughly discuss the processing methods of the ppm ps signals

    研究結果表明隨機脈位調制與隨機二相碼調相復合沖串信號是低截獲概率信號,具有很強的抗干擾能力。
  17. Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the rppm pulse doppler radar signal is derived in this dissertation

    本文從平均模糊函數的定義出發,推導了隨機脈位調制沖多普勒雷達信號的平均模糊函數解析表達式。
  18. We systematically analyze different types of random ppm - ps signals, including single random ppm - ps signals, compound ps ( cps ) signals of the random ppm - ps and random binary coded pulse, and chaotic sequence - based ppm - ps signals. we give their definitions and mathematical representations, derive their spectra and ambiguity functions, plot the ambiguity figures and cuts, and analyze their correlation properties and other performances

    系統地分析了單一隨機脈位調制沖串和隨機脈位調制與隨機二相碼調相復合沖串隨機脈位調制沖串信號;內容包括它們的定義、數學描述方法、模糊函數的推導與計算、模糊圖的繪和切割、相關特性及性能。
  19. From the point of view of the modulation of rppm, chaotic signal with stochastic characteristics is introduced as its modulation, which has the good performance just like the random signal

    從隨機脈位調制沖多普勒雷達信號調角度出發,又引入了具有類隨機性的混沌信號作為其基本調信號,性能與採用隨機信號相接近。
  20. We systematically analyze different types of uniform ppm - ps signals, including inter - pulse quasi - random binary coded ps signals, pulse - family quasi - random binary coded ps signals and pulse - family random binary coded ps signals. we give their definitions and mathematical representations, derive their spectra and ambiguity functions, plot the ambiguity figures and cut, and analyze their correlation properties and other performances

    系統地分析了間偽隨機二相碼沖串、組偽隨機二相碼沖串和組隨機二相碼沖串均勻脈位調制沖串信號;內容包括它們的定義、數學描述方法、頻譜和模糊函數的推導與計算、模糊圖的繪和切割、相關特性及性能。
分享友人