signal reflection 中文意思是什麼

signal reflection 解釋
信號反射
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • reflection : n 1 【物,計】反射;反射波[光,熱,音,色]。2 反映;反影,映像,(映在水等中的)影像;〈比喻〉學...
  1. A reflection interference modulator for signal in fiber

    反射型光纖信號干涉調制器
  2. With practical engineering examples, this paper deals with the collection of surface wave signal along with seismic refraction exploration, the utilization of surface wave components to make analysis during data processing, the thickness division of overburden bed, strongly - weathered bed, intermediately - weathered bed and weakly - weathered bed in combination with the refraction data, and mutual reflection and interpretation of the burial condition of the bedrock surface

    筆者結合工程實例,介紹了在地震折射勘探中同時採集面波信號,在資料處理時利用面波組份進行分析,配合折射資料對測區覆蓋層、強風化層、中風化層及弱風化層厚度進行劃分,同時相互映證解釋基巖面的埋藏情況。
  3. 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。
  4. For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved

    為使系統具有較高的穩定性,本文第二部分結合該處理器的硬體實現,從傳輸線理論出發,研究了弱電情況下高速電路印刷電路板中的信號完整性問題;從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因;結合實際設計,總結了一般高速、高精度印刷電路板的設計要點和標準設計流程,並在實際系統中獲得了應用,取得了很好的效果。
  5. Our objective in such an areal arrangment of detectors is to ensure that the reflection signal is substantially in phase at all detectors.

    這種檢波器面積組合的目的是保證在所有檢波器上的反射信號實質上是同相位的。
  6. In telephony, an interference due to reflection of the transmitted signal from the receiving end

    在電話技術中,由於發送信號從接收端反射回來而引起的干擾。
  7. Derived from optical waveguide fundamentals, outstanding advantages of mfld in high s / n ratio and sensitivity were theoretically presented. to resolve inconsistent change tendencies of mode - filtered light obtained in bare core sensing system and in modified sensing system, that is, the mode - filtered light signal declines with the increase in analyte ris in bare core sensing system but increases with the increase in analyte ris in modified sensing system, we started with light energy radiation theory, and obtained the details of mfld mechanism by discussing in detail the radiant energy ' s reflection and refraction at the interface, thus establishing a mathematical model of mfld. we concluded that the inconsistent change tendencies of mode - filtered light were essentially coherent

    為了解決實驗中裸光纖體系與修飾光纖體系在獲取模式濾光信號上出現的不一致現象,即裸光纖體系中隨著分析對象的折射率增大,獲取的模式濾光信號呈下降趨勢,而在修飾光纖體系中分析對象的折射率增大,獲取的模式濾光信號卻是增大的,我們從光的能量輻射學入手,詳細地討論了光輻射能在傳輸路徑上的反射與透射,獲得了模式濾光信號產生的細節,以此建立了模式濾光檢測的新模式。
  8. This dissertation only considers the signal ’ s distortion by interconnect, such as delay, reflection, discontinuity of microstrip, crosstalk and simultaneous switching noise, and so on. nowadays, there are some simulation software in pcb level, but they are lack of the well ability of modeling. in order to simulate the interconnect accurately, we have to make use of three - dimension full wave analysis method, whose disadvantage is low speed in computing, but is competent for developing rules in high - speed designs

    目前也有一些針對這些噪聲的高速pcb板級模擬軟體,但它們都缺乏詳盡的建模能力,特別是當頻率逐漸提高和電路板日益復雜后,更是顯得無能為力,要精確地對互連結構進行分析,三維全波模擬器似乎不可缺少,其缺點就是速度慢,對整板模擬很難實現,但非常適用於規則開發,而這正好是本文除了建模與模擬方法研究外另一個重點。
  9. In the counting system, a semiconductor laser emitter is used as the light source, point laser beam produced by optic system, reflection of part transferred into electric signal by photoelectric triode, and scm system as the counter

    採用半導體激光發射器作為光源,經過光學系統形成的最小激光束照射器件,反射光由光電三極體進行光電轉換,計數控制使用單片機系統。
  10. In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable

    在wcdma系統中,為正確解擴解調接收到的擴頻信號,接收機本地產生的擴頻碼( pn碼)相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙,總是經過折射或反射的多條路徑后才到達接收機,從而產生多徑通道。
  11. When the light wavelength permeating the f - p filter equals to the bragg reflection wavelength, there is an interrupt request signal, dsp deals with the useful information after dsp answers interruption, and then obtain the corresponding changes of the measured parameters

    當透過f - p濾波器的光波長與bragg反射波長重合時,就產生中斷請求信號, dsp響應中斷后就對有用的信息進行處理,進而得到相應被測參量的變化。
  12. This paper concludes ways to deal with reflection, cross - talk and ssn ; and also discusses the signal integrality under high - speed digital circuit design

    總結了解決反射、串擾和同步開關噪聲的方案或措施以及探討高速數字電路設計中進行信號完整性模擬分析的策略。
  13. The key to enhance the image quality is to separate the reflection that has high signal to noise ratio and the scope of stack can defined optimally by common - angle gathers

    提高成像質量的關鍵是分離出信噪比高的反射波並與根據共角度道集選擇最佳的疊加范圍層。
  14. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code , and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始, emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式,然後,採用magic程序模擬了這種波導結構中電磁波的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖,並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  15. Results show that triple reflection signal and quintuple reflection signal of ytype and s type are less 12db, 16. 67 db and 11. 8 db, 17. 3 db than that of " - ' " type saw mass sensor device. experiment results show that insertion loss ( about 14db ) of the devices in center frequency is close to the theoretical value ( about 16db ) developed by p matrix representation. sensing characteristics of y type and s type saw mass sensors have been also tested and analysed in detail. ethanol and pure water mixed solution containning trace nacl is titrated into mass loading area of y type and s type saw mass sensors devices to detect their mass loading sensitivities

    本文對y型和s型雙聲路saw質量傳感器件的傳感特性進行詳細測試分析,在y廠書型和s型雙聲路聲表面波器件的質量沉積區中滴定含有微量naci溶質的乙醉和水的混合溶液,以測試器件的質量沉積效應靈敏度,它們分別約為2967ppm . cm丫夢g ( y型)和3一15ppm . emz /協g ( s型) ,與理論值38 . 93ppm . emz / 「 g相近,拼處于國內外同型和s型雙聲路聲表面波器件的頻率一溫度特性幾,其單聲雙聲路相對溫度系數約為10一12hz / ,處于國內外同類研究先進水平。
  16. In this paper, first, 1 made a study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants. then, i simulated the behavior of propagation of am signal and gauss pulse signal through the waveguide by magic code, and gave the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position

    在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式。然後,採用magic程序模擬了這種結構的波導中的電磁場的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖。
  17. According to the seismic convolution model, a kind of matched filters in time - scale domain is designed for echo signal detection of ground penetrating radar ( gpr ) and implemented in this paper, which is applied to detect the location and amplitude of single reflection wavelet in receiving signal through continuous wavelet transform

    摘要根據地震褶積模型,設計並實現了應用於探地雷達回波信號檢測的時間尺度域匹配濾波器,利用小波變換的時間定位性和尺度伸縮性,檢測出雷達接收信號中單個反射子波的位置與強弱信息,利用已知的雷達發射子波模型還原回波信號,達到了濾除噪聲、最佳接收的目的。
  18. An impedance discontinuity causing an undesired signal reflection in a transmission cable

    阻抗的不連續將導致傳輸電纜中不希望發生的信號反射。
  19. Analysis and resolution of signal reflection in high speed digital circuit

    高速數字電路中信號反射的分析及解決方案
  20. To despread and demodulate the signal correctly in the spread spectrum system, the pn code phase of the receiver must be synchronized with that of the input signal precisely. multipath channel exists in the wireless environment for radio signal reflection by obstacles between transmitters and receivers

    在擴頻通信系統中,為正確解擴和解調接收到的擴頻信號,接收機的pn序列相位和接收信號的pn序列相位必須完全同步;同時移動無線環境中的傳輸信號總是被收發信機之間的許多障礙物所反射,從而產生多徑通道。
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