探向信號 的英文怎麼說

中文拼音 [tànxiàngxìnháo]
探向信號 英文
sense signal
  • 探 : Ⅰ動詞1 （試圖發現） try to find out; explore; sound 2 （看望） call on; visit; see 3 （向前伸出）...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals

    無線方向探測器一種無線電接收和指向天線系統，用來確定收到的無線電信號的角方向
  2. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  3. Owing to the anisotropic and the biharmonic nature of microwave radar backscatter on spaceborne scatterometer, and to the scatter model function nolinear and the existence of various noise sources in the measurements in addition to the model function, the retrieval wind results consist of as many as four wind directions

    由於衛星散射計探視雷達回波的各向異性的雙調和性質，同時由於散射物理模型函數的非線性及信號中存在噪聲，使得常規點方式風場反演中風向有多至4個解的多解存在。
  4. Data reduction was carried out in real time by a minicomputer. the microcora was replaced by a more advanced version, digicora, in 1993

    地面站即時用一部小型電腦從轉播信號的相位差計算出無線電探空儀的位置，從而計算出高空風向和風速。
  5. The light signal back - scattered from wake bubbles can be detected by taking some measures

    採取一定的措施，尾流氣泡後向光散射信號是可以探測到的。
  6. In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings

    本課題設計的是一種懸掛式超聲波車流多信息檢測器，通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號，利用地面回波來判斷遮擋物地存在，可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息，並可用於多個車道車流信息的同時檢測，綜合這些測量參數可獲得車流量的必要數據，可為公路建設提供必要的基礎依據。
  7. The fire detection systems based on intelligent information processing have been proposed to handle this situation. these systems have self - learning and self - adaptive. the study of them has been the direction in the study of fire detection technology

    針對火災信號的這種非結構性特點而提出的基於智能信息處理方法的火災探測系統具有自學習和自適應功能，已成為現在火災探測技術研究的方向。
  8. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例，分別對聲矢量信號中的聲壓、振速探討應用自適應濾波、小波變換、短時傅里葉變換檢測水聲平穩和非平穩信號的應用效果。
  9. Firstly, in order to meet the requirement in application, the influencing factors for defocus measurement with one - way defocused detector are analyzed and the influencing regularity of detector position are discussed, after that the relationship between defocus errors and output signals is given too. according to the optimization results, the experimental device is established for this paper

    首先，本文從工程應用角度出發，通過分析單向離焦檢測的誤差影響因素，討論了探測器位置誤差對測量的影響規律，給出了離焦量與測量信號的輸出關系，優化設計了檢測光學系統，搭建了實驗裝置。
  10. Higher capabilities were put forward for detection, identification and anti - interference of torpedo in future naval battle. compared with the narrow - band processing, wide - band processing is a new direction for underwater signal processing for its advantages including abundant information of wide - band echo and little correlation of reverberation

    未來海戰對魚雷在探測目標、識別目標和反對抗能力方面提出了更高的要求，而寬頻帶回波信號具有攜帶目標信息量大，混響背景相關性弱，利於檢測、識別目標等優點，因此自導系統發展的方向是寬頻帶自導。
  11. The technique core of the 3 - d outline tracking scan lies in the adoption of several photoelectric sensors, laser measuring sensors and super voice wave measuring sensors to carry on probing, the single chip makes the photoelectric signal examined as the control basis, and controls the step motor to drive measurement machines and probing sensors to make outline tracking and scans movement along high and breadth direction of the vehicle, and record its outline track, and the data measured is delivered to the computer, finally, acquires the size of the vehicle checked through the place of computer data processing

    三維輪廓跟蹤掃描技術的核心在於採用多套光電傳感器、激光測距傳感器、超聲波測距傳感器進行探測，單片機把檢測到的光電信號作為控制依據，控制步進電機驅動測量機及探測傳感器在車長、車高和車寬方向上作輪廓跟蹤掃描進給運動，記錄其輪廓軌跡，並把測得的數據傳送到上位機，經上位機數據處理獲得被檢車輛的特徵尺寸。
  12. This system employed a new concept for measuring upper winds, viz. use of vlf very low frequency in the range of 10 - 13 khz signals from a global navigational network, omega, for computing the wind

    與以往無線電相比，該系統在測風方面則採用了一種新的概念，利用世界性奧米茄導航站網的甚低頻信號10 - 13khz來計算出高空風向和風速，無需用雷達追蹤探空儀位置。
  13. Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega

    該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同，但在測風方面則採用了一種新的概念，利用世界性奧米茄導航站網的甚低頻信號（ 10 - 13khz ）來計算出高空風向和風速，無需用雷達追蹤探空儀位置。
  14. Phopholipase c - 1 ( plc - 1 ) is widely known to play an important role in regulating cell proliferation and differentiation, development of the organisms, cell transformation and oxidative stress. till now, the mechanism how phopholipase c - 1 acts can not be thoroughly illustrated, nor has the interaction between plc - 1 pathway and other signal pathways been systematically reported. this research chose 2 - de + ms as the basic method from all kinds of proteomics strategies and compared the total protein expression map of mef genetically deficient in plc - 1 ( plc - 1 - / - ) to that of wild type mef ( plc - l + / + ) aimed to find some protein spots differentially expressed, thus we can discuss the impact of knockout of plc - 1 on signal transduction initiated by growth factors such as egf comprehensively. in this way, we can study the biological function of plc - 1 and mechanism of plc - 1 pathway indirectly, which will contribute a lot to further analysis

    鑒于plc - 1發揮上述作用的機制尚未完全闡明， plc - 1通路與其他信號通路間的交聯和代償尚無系統報道，又因為以往的研究方法不夠全面，本研究以野生型小鼠胚胎成纖維細胞（ plc - 1 ~ （ + / + ） ）和缺失磷脂酶c - 1的小鼠胚胎成纖維細胞（ plc - 1 ~ （ - / - ） ）為研究模型，在眾多蛋白組學策略中選擇了雙向電泳+質譜（ 2 - de + ms ）作為研究手段，通過對比表皮生長因子（ egf ）刺激24小時後上述兩種細胞的總蛋白質表達差異，全面地探討敲除plc - 1對生長因子誘導的信號傳遞的影響，從而間接研究plc - 1生物學作用、信號傳遞機制及其代償情況，為后續的深入研究打下基礎。
  15. The noise signal of passing vehicles is gathered with microphone array, and processed off line with the method of wide - band array signal processing, then the estimation of vehicle numbers can be transformed into the estimation of signal source numbers, up and down of the vehicle can be transformed into doa estimation of array signal processing. at the same time, vehicle types are classified using pca method of the pattern recognition based on vehicle noise, and some primarily study is done for vehicle recognition. at last, the result of the experiment proves this method is feasible

    對麥克風陣列所採集的車輛行駛時的聲音信號，運用寬帶陣列信號處理的方法進行離線處理，並將車輛個數的估計轉化為陣列信號處理中信號源個數的估計，將車輛上下行的估計轉化為陣列信號處理中波達方向變化的估計，進而較準確地估計出了車輛的個數與行車方向；同時對所採集的車輛聲音信號應用模式識別中的主分量分析法實現了車輛的簡單分類，為實現車型識別作了一些初步的探索。
  16. The three - dimensional profile of the temperature rise, the radial profile of the surface deformation and the diffraction signal of the probe beam obtained with both top - hat and gaussian beam excitations are compared by numerical calculations

    求解對應的熱彈方程，得到表面形變場分佈。 2 .通過數值模擬，比較了平頂光束和高斯光束激勵下樣品內部溫度場、表面形變場和探測光衍射信號的徑向分佈。
  17. In addition, this paper discusses the application of the parameter - induced stochastic resonance in the m - ary pam signal transmission, and explains the mechanism to stochastic resonance in a new view. we found that the single well is able to distinguish different signal levels, based on which the theory for m - ary pam signal transmission via parameter - induced stochastic resonance was briefly developed. the error code rate of m - ary pam signal was obtained

    此外，本文還初步探討了參數誘導的隨機共振在多進制數字調制信號傳輸中的應用，從不同的觀點解釋隨機共振形成的機理，充分認識到非線性系統單勢井的信號處理能力，並給出多進制信號誤碼率的理論公式，模擬實驗表明這個研究方向具有很好的研究前景。
  18. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有：研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法；設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統，對聯邦濾波器和集中濾波器的性能做了模擬對比分析；研究了適用於聯邦濾波器的系統級故障理論和方法；探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息，通過神經網路實現硬故障交互檢測的方法。
  19. With this method, the receiving signal of the probe is measured with a fixed distance of phased array antenna and the probe. experimental data is disposed by mathematic algorithm, thus amplitude and phase in each channel is determined in any disposing - phases status. all the patterns can be recovered only through a test result

    該方法中相控陣天線和測量探頭均保持固定，測量相控陣天線不同配相狀態下探頭接收信號的幅相，用數學演算法對試驗數據進行處理即可確定任意配相狀態下各通道的激勵幅相，進而所有的方向圖根據一次試驗結果就能夠復原。
  20. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析，然後，根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式，採用泵浦-探測波的方法，利用超輻射激光二極體（ superluminescentdiode簡稱sld ）作為探測光源，測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數，之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算，在給定了兩個泵浦光源的波長和最大功率后，找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率，同時也分析了導致信號光飽和的原因。
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