調相波 的英文怎麼說

中文拼音 [diàoxiāng]
調相波 英文
phase modulated wave
  • 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...
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. An atm term. carrierless amplitude / phase modulation with 64 constellation points

    異步傳輸模式術語。採用64點星座圖的無載調調碼。
  2. Chapter six realizes the ka band 0 - pm t / r component on the basis of above - mentioned function parts

    第六章在前述各個功能部件的基礎上實現了ka段0 -調收發組件。
  3. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續雷達信號的特性,介紹了多普勒雷達的原理和應用;研究了偽隨機編碼信號的產生和數學特徵,著重分析了偽碼調連續雷達信號的頻譜,及其在雷達測距、測速方面的應用;研究了單脈沖幅度比較體制在雷達測角中的應用;最後,闡述了超近反導系統中復合體制雷達的工作過程。
  4. Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop

    本文首先分析了調信號調制解調的基本理論和多媒體計算機( mpc )聲卡組成原理及數據傳輸等方面的內容,然後研究並實現了基於計算機聲卡的bdpsk和qdpsk信號軟體調制解調系統,內容包括數字載序列的產生、載同步、濾器設計,信號的抽樣判決等。
  5. In this part the signal from the infrared sensor was amplified by common collector amplifier, and the demodulator was built by filter. in which the signal got demodulated. because we just need the frequency of the signal, filter may achieved

    通過信號通路,傳感器生成的調信號轉變為與脈搏頻率同的方。先由運算放大器接共集電極電路完成信號放大,通過濾得到脈搏信號的頻率,從而用濾器電路完成了解調功能。
  6. The general signal sources represented by arbitrary waveform generator ( awg ) have become the most popular instruments in modern testing domains. awg can not only generate conventional waves such as sine wave, triangle wave, square wave, etc, but also generate unconventional waves such as linear frequency modulation wave, phrase modulation wave, amplitude modulation wave etc, the most important, it can create arbitrary wave

    由於它可產生包括各種理想及非理想的形信號,不但可以產生純凈的正弦、方、三角等常規形,而且可以產生線性調頻、調調幅信號以及程式控制占空比的低占空比方,更為重要的是,能夠根據用戶測試需求生成任意形。
  7. The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too

    調制部分,利用九管單時鐘d觸發器構成計數器,並由此組成了脈沖寬度調制電路,同時給出了在典型溫度下的模擬結果;在解調部分,介紹了低通濾器從無源到有源的設計方法,設計了三階切比雪夫低通跨導電容濾器,同樣給出了應的模擬結果;最後,作為將脈沖寬度調制電路和濾器作為整體電路,以脈沖調為輸入進行了模擬,取得了令人滿意的結果。
  8. 2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d

    2研究了新型無線感應系統的電磁兼容性,分析了傳導干擾對新型無線感應系統的影響,分析了輻射干擾對新型無線感應系統的影響;分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調幅( am 、 dsb 、 ssb ) 、窄帶調( nbpm ) 、窄帶調頻( nbfm )等調制解調中研究了新型無線感應系統在模擬載通信中的應用並進行了模擬,研究了上述調制解調應的解調增益。
  9. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗,得到了一批具有一定價值的結論:從信號處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方法去掉,並且通過預測插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾;對于射頻噪聲,通過平均距離頻頻法和頻域陷的方法可以去掉;從改變合成孔徑雷達系統角度出發,類似雙基地雷達能夠避免各種干擾,對發射信號進行調幅,調以及改變調頻斜率都是較好的抗干擾方法。
  10. Then this thesis give a detailed analysis to the signal processing method and cfar algorithm of prc cw radar

    本文著重分析了偽隨機編碼調連續雷達信號處理方法及恆虛警檢測演算法。
  11. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型,得出方程單調解存在,並將速c r分成若干個區間,得出c在各個區間時行解曲線應的類型包括單調、衰減振動、周期振動、無界等類型。
  12. The three - phase spwm pulses are generated through sine wave compared with triangular wave. during design, we make use of a changed structure of nco ( numerically controlled oscillator ) to

    數字化設計是本系統的特點,系統最終生成的三spwm脈沖是基於三正弦調和三角載比較得到的。
  13. They pointed out that modulation wave fronts ( such as those in the front of a light pulse ) in a negative index material are aligned the same way as they are in a positive index material ? anything else would violate basic causality and require parts of the wave to travel with infinite velocity

    他們指出在負折射率材料中調前(例如光脈沖前端的前)的方向,與在正折射率材料中同;若非如此,就會違反基本因果律,且部份的前進速度將成為無限大。
  14. On the basis of introducing microwave components and parts basic theories in detail, this text develops ka band 0 - pm t / r component

    本文在詳細介紹微元器件基本理論的基礎上,研製了ka段0 -調收發組件,完成了組件的正樣設計。
  15. Based on the statistics characteristic of prc - phase - modulation cw phase - array guidance radar, this thesis discusses the signal processing method and cfar algorithm of multiple repetition frequency pseudo - noise m - sequence phase coded signal

    本文結合偽碼調連續信號體制的特點,深入研究了多參差重復頻率偽隨機m序列位編碼信號的處理方法和恆虛警檢測演算法。
  16. The working process of prc cw radar is derived and discussed deeply, the ideal system model of signal processor is also given

    對偽碼調連續的信號處理過程進行了詳細的理論分析和推導,建立了信號處理機的系統模擬模型。
  17. Based on the features of modulate - wave and unmodulate - wave, different methods being suitable for these two kinds signals is respectively discussed by theory and simulation. the result of simulation can be used in the practice. in this chapter, the research about the tdoa extraction method of the unmodulate - wave is also the relevant technologies needed to be study in the " life detection and orientation of earthquake emergency response system "

    論文第二部分重點對連續信號的時差提取技術進行了系統的分析研究,從連續信號時差提取的各種方法的信號模型與原理出發,利用調和基信號的特點,通過理論分析和模擬比較,分別分析了適用於這兩種信號的時差提取方法及其關技術,為工程實現提供參考。
  18. The radio frequency receiver supports interface for instrument and base station and air interface for mobile station, and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal. the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer, next sends data to computer. the gps receiver supports interface for instrument and gps system, and receives gps system signal, next it demodulates the correlative information and sends out benchmark clock signal we need

    射頻接收部分主要為儀器和基站、移動臺提供空中介面,其主要任務是在反向鏈路上對接收到的射頻調制信號進行低噪聲放大、射頻下變頻變換、中頻濾放大等;數字基帶部分為對接收信號變頻為中頻后進行a / d采樣,以及其他的rsp處理並和計算機提供介面,將數據送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統提供介面,接收gps系統信號並解調關信息,輸出所需的電文及時鐘基準信息等。
  19. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準;然後,一方面從信號處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究,其中運用了時域滑動窗口積累,小分析,時頻分析以及線性預測等信號處理知識,做了大量的模擬實驗;另一方面,本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾,以及對發射信號進行調幅、調以及改變調頻斜率來抗干擾,同樣做了應的模擬實驗。
  20. Uast is equipped with the complex radar system of both continuous wave pseudorandom code phase modulation and mono - pulse amplitude comparison ( crs ), and crs measures and gets target ' s position information

    在坦克超近反導系統中,裝備偽碼調連續與單脈沖幅度比較復合體制雷達,用於測量目標的位置信息。
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