方位信號 的英文怎麼說

中文拼音 [fāngwèixìnháo]
方位信號 英文
bearing signal
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 位 : 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...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 方位 : position; bearing; direction; points of the compass; placement
  1. Presently the way of study the echolocation calls of bat is localizated in traditional fourier analysis

    目前對蝙蝠回聲定位信號的研究方法主要局限於傳統的傅立葉分析。
  2. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現，對于窄帶回波信號，基於fft的方法估計性能大大優于其他方法；對于寬帶回波信號，在信噪比達到一定程度（高於約- 7db ）時，補償后的幾種估計法的性能改善均比較明顯，誤差曲線越來越接近crb曲線；對于回波中存在多頻率多方位的情況，空間?頻率分布圖能提供較為直觀的頻率及方位信息，因此應用空間?頻率估計法來進行方位估計，更有利於進一步對回波的具體方位進行準確判斷和估計。
  3. The sensor operation speed can be 64ms / frame ~ 2ms / frame. in the research of photoelectric cell, device physics structure of pixels have been optimized. deep junction depth photodiodes, such as p + / n - well / p - sub structure, have been used and the photo - response of the sensor has been greatly enhanced

    復位信號為sv時的單幀感光動態范圍為60db ，採用改變復位信號頻率的二次掃描方式可將傳感器的總的感光動態范圍擴大到84db ，可對0石10 ， 000lx光照強度的信號進行傳感。
  4. Abstract : this paper describes the principle and the methed of the telecontrol system of water - level monitoring, which realizes the autom atic measurement of the water - level, transmitting of water - level signals by ra dio, and water - level display and preset - point alarm by use of microcomputer co ntrol technique

    文摘:主要闡述了遙控水位監測系統的工作原理及實現方法.該系統能進行貯水池水位的自動檢測、水位信號的無線傳輸，並能藉助微機控制實現水位的顯示和定點報警
  5. The output of vector hydrophone contains the spatial direction information, in the other word, the output has different phase gradient to signal with different direction

    它是利用了矢量水聽器四個陣元的輸出所蘊含的空間方位信息，通過對一個方向信號延遲的補償相減達到此方向信號的抵消的目的。
  6. Compared with traditional transducer, the vector detection technique can get the acoustic vector signal ' s spatial direction information

    相對于傳統的聲壓水聽器矢量水聽器檢測技術能檢測到的包含空間方位信息的聲矢量信號。
  7. Moreover, intraoperative spinal cord function monitoring began lately in our country. there is little special report about technology of monitoring evoked potential, particularly lacking of study on characteristic information of evoked potential changes and methods of estimating damage after damaging spinal cord

    另外國內術中脊髓功能監護起步較晚，還未見到對術中誘發電位監護技術的專門研究報道，尤其是缺少對脊髓損傷有關的誘發電位信號形態變化的特徵信息和損傷判斷方法的深入研究。
  8. ( 3 ) signal emitting and receiving circuit is to transfer signal from leaking place to computer

    並提出和實現了能量統計法分類信號達到定位信號的方法。
  9. Comparing with the traditional phase - shifted laser range finder, the method could implement the ranging with multifrequency by using single modulated frequency. it could not only solve the contradiction of the range and the precision, but has high degree of accuracy and wide range, simplify the hardware design, and reduce the cost. this paper introduced the theory of phase distance measurement, analyzed various testing methods and expatiated the hardware and the software for the proposal system

    與傳統的相位法測距相比，本方法使用單調制頻率實現了多頻測距，有效地解決了相位法測距中測程與測量精度之間的矛盾，具有高精度、大量程、大噪聲容限的特點，而且簡化了硬體設計，降低了成本；其次在數據處理中採用數據加窗函數的方法，提高了方波信號的頻譜解析度，進而提高了測量的精度。
  10. The second part is a detector which is used to detect the distribution of voltage on the patient ' s brain surface from all different directions. the third is a mixed signal processor ( c8051f020 ) which is used to control the other parts of the system and display some necessary information and convert the voltage signals into digital signals, as well as transmit the acquired data to the computer. the fourth is computer with eit software which is used to analyze and process the received data and construct a picture for the brain edema and haematoma on screen

    32通道電阻抗斷層成像系統由4個部分組成：第一部分是正弦波恆流源，用來產生注入大腦的激勵電流；第二部分是電位信號的提取與轉換，用來提取當激勵電流注入時，在大腦表面形成的電位分佈信號；第三部分是數據採集與控制系統，用來控制激勵電流的頻率，注入方向，注入強度，控制採集大腦表面的電位分佈信號，並且將這些採集的電位分佈數據傳到pc機；第四部分是計算機eit成像軟體，用來接收下位機的電位分佈數據，並且對這些數據進行分析計算，重建電阻抗圖像。
  11. Neural spike sorting under low signal - to - noise ratio

    低信噪比神經元鋒電位信號的分類方法
  12. The principal axis torsion angle, produced by torque, is converted to two channel square waves with phase difference through grating sensor. then the degree of torsion angle is measured by data collection card. finally the value of torque and the other parameters of the axis can be calculated by upper pc

    將主軸受扭矩作用而產生的扭轉角，通過光柵傳感器轉換為兩路有相位差的方波信號，再通過數據採集系統檢測出扭轉角的度數，最後由上位pc機計算出扭矩的大小和主軸的各種參量。
  13. This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque

    Fdw465b型電噴分電器總成採集發動機曲軸相位信號及轉速信號，同其它負荷傳感器（如節氣門傳感器等）採集到的信號，經電控單元ecu計算處理后，實現對發動機點火正時的電子控制，較之機械式點火正時控制更加精確、可靠，使汽車發動機系統的綜合性能得到較大提高，特別是發動機的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優化。
  14. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號，進而帶動電機驅動儀表指針轉動，計算機通過串口實時採集光柵測量系統的微位移信號，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時通過計算機軟體實現表盤圖像處理，包括預處理、灰度化、二值化、細化和hough變換等，最終快速識別出表盤指針的位置，並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  15. To implement the snps acquisition, the new satellite signal frame form, modulation and error control codes are designed

    本文還提出了衛星導航定位信號的快捕獲方案，設計出利於實現長碼快捕獲的衛星信號格式，調制方式和糾錯編碼方案。
  16. The whole processing procedure consists of three steps, i. e., inputting the noisy ap signal to a low - pass filter, constructing a corresponding square wave according to the output of the low - pass filter and then applying it to the wave forming filter to get noise free ap signal

    利用矩形波重建方法，將帶噪聲動作電位信號通過低通濾波器建立相應的矩形波，然後再採用計算機輔助設計法設計一個波形形成數字濾波器，使矩形波通過此濾波器后重建出純凈的細胞動作電位。
  17. Although the work is based on the nonstationary signal of quadratic phase, the methods can also be extended to higher - order polynomial phase signal

    論文的研究雖然是基於不高於二次相位項的非平穩信號，但是其思想方法也可以推廣到更高階的多項式相位信號。
  18. In the management of city transportation, navigation of satellite cannot meet the practical requirement because of shielding and interfering of satellite signal. therefore, map matching and dead - reckoning ( dr ) is used to assistant navigation. this combination is defined as gps / dr integrated navigation system, in which the map matching is used for correcting the orientation and distance errors of dr

    而在城市交通管理的應用中，由於衛星定位信號經常會受到建築物的遮擋和干擾，衛星定位無法滿足導航的實際要求，通常需用地圖匹配和航位推算器（ dead - reckoning ， dr ）的方法進行輔助導航，這種導航方式稱為組合導航系統，其中地圖匹配可用來修正dr的方向和距離的系統誤差，以便在衛星信號失鎖時，提高dr自主定位的精度。
  19. In 3g communication system, the most promising location method was the locating arithmetic based on the time of arrival and the time difference of arrival ( toa / tdoa ) of signal, or the angle of arrival of signal ( aoa ). however, either the arithmetic based on toa or that based on aoa was badly affected by the none line of sight ( nlos ) phenomenon

    在第三代移動通信系統中，最有前景的定位方式是基於信號到來時間/時間差（ toa / tdoa ）或信號到來角（ aoa ）的定位演算法。但不管是基於信號到來時間的演算法還是基於信號到來角度的演算法，定位信號的非視距傳播效應（ nlos ）都會對其造成嚴重的影響，在影響移動定位精度的諸多因素中nlos效應被公認為是最主要的因素。
  20. Abstract : the paper say the principle and method of standard quantum insertion method used in the precision turn control of the machine arm, issue the method correctness and capability, and give the structure of standard quantum generator and interface method of location signal

    文摘:本文敘述了標準量插入法應用於機械臂精密轉動控制的原理和方法，探討了該方法在實現上的技術可行性，給出角度標準量發生器的結構和定位信號的介面方法。
分享友人
分享到 Line

分享到臉書