相關噪聲 的英文怎麼說

中文拼音 [xiāngguānzàoshēng]
相關噪聲 英文
correlated noise
  • 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...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 相關 : be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality
  1. It is approved that the proposed method has higher antinoise and signal - to - noise ratio than the direct correlation method

    能過數字模擬對比表明，該方法優于直接相關定位法，具有較強的抗噪聲能力，提高了信噪比。
  2. Multiresolution wavelet is widely used in antinoise application because of the correlation of different layer wavelet coefficients. this paper presents a method called " shifting different layer coefficients " to suppress noise and pick - up the edge

    多尺度小波系數由於其相關性而在去噪中得到應用，本文提出利用多尺度小波系數的移位相關的性質來最大限度的抑制噪聲，提取邊緣。
  3. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  4. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  5. With linear time - invariant modeling of phase noise and definition of “ effective resistor ”, we analyze the critical parameters of the circuit and calculate the value of phase noise at the 1 / f ~ 2 region

    引入「有效電阻」的概念對電路的各項關鍵參數在線性時不變模型下進行理論分析和推導，得到相位噪聲在1f2區域的理論值。
  6. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  7. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。
  8. Computer simulation results show that the proposed algorithm reduces the signal distortion and the reverberation which are caused by misadjustment errors in the adaptive filter and the correlated component of the speech in the reference signal compared with a conventional adaptive noise canceller ( anc )

    模擬結果證明nanc演算法有效克服了影響傳統自適應噪聲抵消系統（ anc ）性能的一些瓶頸，如兩輸入中的非相關噪聲，參考輸入中的信號成分與自適應濾波器失調誤差而產生的信號失真、回響等情況。
  9. Development of time delay estimation of gaussian signal in non - gaussian spatially correlated noise

    一種推廣的非高斯相關噪聲中高斯信號的時延估計方法
  10. In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design

    本文首先分析了振蕩器的工作原理，從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計，利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素，從設計就開始控制晶振的相位噪聲，為更好地實現課題的目標打下良好的基礎。
  11. Acoustics - requirements relative to noise level limiting devices intended for use in premises where amplified music is produced

    聲學.音樂放大製作中心用相關噪聲級限制設備的要求
  12. According to leeson model, which had proposed the relationship of noise between output and input in the feed - back oscillator, an experimental crystal oscillator circuit with high stability and low phase noise is designed

    參照提出反饋振蕩器中輸出和輸入噪聲關系的李森模型，設計一高穩定低相位噪聲振蕩器的實驗電路，並在實驗中分析電路關鍵元件對電路整體性能的影響。
  13. In this thesis, the investigations of the application of stochastic theory in protein motor and fhn neuron model are systematically reported, which include four aspects : effects of random potential on motor protein transport ; noise - induced transition in a fhn neural model ; stochastic resonance in a bistable system subject to multiplicative and additive noise ; coherence and stochastic resonance in a globally coupled fhn neural model

    現在我們集中報導對隨機理論在生物馬達蛋白和fhn神經模型上的應用所進行的一系列的研究，主要有以下四個方面：漲落勢誘導生物馬達蛋白輸運；噪聲誘導fhn神經模型相變：噪聲關聯對雙穩系統隨機共振現象的影響；全局耦合的fhn神經網路的隨機共振和同步共振。
  14. It is a pity that the phase noise is not measured because no suitable instrument is available

    由於缺乏相關的測試設備，沒有對vco的相位噪聲進行測試。
  15. The directivity of the array consisting of extended fiber optic hydrophone is computed based on bridge multiple theory

    推導得到了這種線陣列在相關噪聲下的增益表達式。
  16. Loop filter is the key component to keep frequency synthesizer working steadily and outputting signal of excellent performance. in this paper, author proposes a practical method for loop filter, and verifies its reliability in experiment

    環路濾波器是頻率合成器能夠穩定的工作和輸出相位噪聲和雜散低的信號的關鍵，本文給出了環路濾波器具體的計算方法，並通過實驗證實了其可靠性。
  17. The emphasis of the research of the method of time difference measurement is how to suppress noise and interference effectively. the second part is to discuss the capacity for anti - interference of generalized cross correlation ( gcc ) algorithm. the algorithm based on high order cumulant is introduced to solve the problem, which is bad performance to suppress noise of gcc

    基於廣義平穩信號的模型，論文第二部分討論了廣義互相關（ gcc ）時差測量演算法的抗加性噪聲干擾能力，針對其相關噪聲抑制能力差的問題，提出了基於高階累積量的時差測量演算法，對演算法的適用范圍、計算復雜度等方面進行了分析。
  18. In one model the measurement errors consist only of the " standard " measurement noise, while in the other the measurement errors are dominated by the multipath effects. the interacting multiple model ( imm ) rithm automatically increases the variance of the altitude estimate and alleviates the iv. uiiipath effects, when the measurements are degraded

    其中交互多模（ imm ）演算法中，建立兩種模型，一種模型中觀測方程的觀測噪聲為方差較小的一般性噪聲，另一種模型中觀測方程的觀測噪聲為方差較大的相關噪聲，用來表徵多路徑傳播引起的尖峰誤差。
  19. Finally, in allusion to the shortcomings on the fitting of colored noises by least square, a new procedure is presented to modify the estimations of model parameter of the colored noises. it can control the effects of the correlation noise of exept for first order self - correlation noise

    最後，針對有色噪聲最小二乘擬合在動態gps有色噪聲模型參數估計中存在的問題，應用時間序列分析理論提出了一種有色噪聲模型參數的改進演算法，有效地控制了一階自相關特性以外的相關噪聲對模型參數估值的影響。
  20. By combining the theory of acoustic and vibration, material science and using finite element method ( fem ), the design principle for laminated composites was studied in this paper, and then it is presented that the noise reduction can be predicted by finite element method in that it is proved that the fem results is well coincident with the experimental ones

    本文利用相關的聲學、振動學、材料學和有限元數值方法，首先對層合隔聲復合材料的設計原則進行了分析，而後利用有限元方法進行層合復合材料降噪性能預測分析，得到了與實驗數據比較吻合的結果。
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