掃頻范圍 的英文怎麼說

中文拼音 [sǎobīnfànwéi]
掃頻范圍 英文
swept frequency range
  • 掃 : 掃構詞成分。
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 范 : 名詞1 [書面語] （模子） pattern; mould; matrix 2 （模範; 榜樣） model; example 3 （范圍） boundar...
  • 圍 : Ⅰ動詞1 （四周攔擋起來 使裡外不通; 環繞） enclose; surround; corral 2 （繞; 裹） wrap Ⅱ名詞1 （四...
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. After thoroughly studying the mem process, the frequency range of inertia force, which is caused by the scanning movement of extrusion head, has been found

    本文在深入分析mem工藝過程之後，找出噴頭掃描運動產生的慣性力的頻率范圍。
  2. 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。
  3. The pixel size of p + / n - well / p - sub structure is 100 umx 100 n m, fill factor is 77. 6 %. it can obtain target information with illuminance intensity in the range of 0. 011x ~ 98, 0001x, and the sensor photoelectric sensitivity is 35v / lx ? s. when the method of changeable reset frequency double scanning is used, the photoelectric dynamic range can be 139. 8db, which is high in the 0. 6 um level cmos image sensors already reported

    在對感光單元進行器件物理結構優化的研究中，通過採用深結深光電管結構，提高了傳感器的感光響應，其中p m階」襯底結構的傳感器面積為100umx100urn ，感光面積百分比為77石，可對0刀98 ， 000lx照度的目標信號進行傳感，感光靈敏度大於3sv ix ? s ，採用了變頻兩次掃描后，動態范圍可達139
  4. The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm, and measure the gain and phase of the crystal. according to the gain and phase information and the iec - 444 standard, crystal parameters can be calculated, such as nominal frequency, series resistance, shunt capacitance, motion capacitance, motion inductance, q factor and so on

    該系統能產生頻率范圍達100khz 150mhz ，功率范圍為? 40dbm + 18dbm的掃頻信號，並能對晶振的增益和相位差進行測量，其測量結果按照iec - 444晶振測量標準進行實時處理和計算，從而得到晶振的串聯諧振頻率、並聯諧振頻率、等效電阻、靜態電容、動態電容、動態電感和品質因數等主要電參數。
  5. The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components

    根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求，給出了確定波導慢波線基本結構尺寸的計算公式，即對相鄰單元之間的空間距離、耦合器之間的饋線波導長度、陣列的大小和單元數的計算。
  6. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號源電路，以增益相位檢測器ad8302為核心構成檢測電路，以dsp晶元tms320vc5409為核心構成控制與運算電路，以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ，功率范圍為- 45dbm ~ + 18dbm的掃頻信號，能對被測網路的頻率特性進行測量，並留有豐富的外圍介面，可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  7. The radiation patterns at different scan angle from - 20 to 20 degree are presented, and the angle difference between the maximum / minimum field points of their main beam shows the bse of the radome. at different frequencies, the radiation from the antenna has been discussed when azimuth scan angle ranges between - 20 degree and 20 degree. the relationship between

    200 ~ 200范圍內天線的和方向遠區場、方位差方向遠區場;得到方位瞄準誤差、瞄準誤差斜率和功率傳輸系數隨掃描角和入射波頻率的變化關系;並將所得數據與文獻數據進行比較，表明間接射線法簡單、有效且精度較高。
  8. These services include : supply of aircraft maintenance tooling, ground support equipment - runway sweeper, special vehicle, aircraft toilet cleaner & wax ; aircraft recovery equipment ; aircraft maintenance facilities ? maintenance hangar, docking system, 400hz system and pits

    業務范圍包括飛機維修工具，機場地面支援設備-機場跑道清掃板、特種車輛、飛機潔廁液及清潔蠟、飛機救援設備、飛機維修設施-維修機庫、修理塢、中頻電源系統、地井等。
  9. The relationship between sputtering conditions and the depositional speed shows : with working pressure 1. 2 pa, sputtering power 180w, the depositional speed of tio2 thin film is 40nm / h, and increases with the increasing of sputtering power. it can be also founded that the depositional speed is nearly proportional to the working pressure : within the range of 0. 3pa to 1. 6pa, the depositional speed increases linearly with the increase of ar pressure. with the enhancement of the substrate ' s temperature of sputtering or annealing, the resulted thin films show a tendency of decreasing in thickness, and increasing in refractivity

    本實驗是採用磁控濺射方法，在不同的溫度下制備了tio _ 2薄膜，並對薄膜進行了不同溫度和時間的退火處理，通過原子力顯微鏡（ afm ） 、 x射線衍射（ xrd ） 、掃描電鏡（ sem ）等檢測手段對薄膜的表面形貌和組成結構進行了分析，結果如下： （ 1 ）濺射工藝條件與薄膜沉積速度的關系表明：採用1 . 2pa工作氣壓， 180w的射頻功率tio _ 2薄膜的沉積速率為40nm h ，並隨射頻功率的增加而提高，呈近似的線性關系，在0 . 3pa 1 . 6pa氣壓范圍中，氬氣壓強升高沉積速率迅速增加，濺射溫度提高和退火處理能使薄膜的厚度減小和折射率提高。
  10. In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open

    近年來我國無線電技術水平已經有了很大發展和進步，但對于頻率覆蓋范圍寬（ 20 - 3000mhz ） 、掃描速度快（ 1ghz / s以上）並具備快速全頻段實時頻譜顯示和記錄的無線電監測接收設備，目前我國尚不能生產，國內現在已經進口的寬頻段監測接收機一般也只能進行低速掃描，無法滿足實際的需要。
  11. The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0, 5 mhz to 15 mhz

    採用頻率范圍為0 . 5mhz至15mhz的平面掃描技術對水聽器的絕對校準
  12. Specification for absolute calibration of hydrophones using the planar scanning technique in the frequency range 0, 5 mhz to 15 mhz

    在0 . 5mhz - 15mhz頻率范圍使用的平面掃描技術水珍器絕對校正規范
  13. The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0, 5 mhz to 15 mhz iec 61101 : 1991 ; german version en 61101 : 1993

    0 . 5mhz至15mhz頻率范圍平面掃描技術對水聽器的絕對校
  14. By using single - chip microcomputer c8051f060 and dds ad9852, the instrument is easy to measure the transport characteristic of the high frequency tuner. by using c8051f060 to control dds chip ad9852, a signal with high resolution, high transferring speed and pure spectrum is obtained. the output frequency range is up to 1000mhz. the system can give the frequency characteristic drawing of the high frequency tuner by connecting pc with usb

    採用cygnal公司的專利cip51微處理器內核的c8051f060單片機作為控制器，使用鎖相環+直接數字合成+下變頻的方法構成掃頻信號源，用直接數字頻率合成（ dds ）晶元ad9852實現掃頻信號的控制，產生測量用的掃頻信號的范圍為1 ~ 1000mhz 。
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