掃頻 的英文怎麼說

中文拼音 [sǎobīn]
掃頻 英文
frequency sweep
  • : 掃構詞成分。
  • : 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...
  1. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器,它不僅價格昂貴,體積龐大,而且只能顯示幅特性曲線,不能得到相特性曲線,更不能列印被測網路的響曲線,給使用者帶來諸多不便。
  2. This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long

    這一點被來自俄方的消息所證實;發射機有兩個掃頻發生器,產生正弦波,同時有兩幅相互平行的水平地面天線,每個天線有60千米長。
  3. General specification for sweep signal generators

    掃頻信號發生器通用技術條件
  4. Verification regulation of uhf television sweep scope

    Uhf電視掃頻儀試行檢定規程
  5. Low distortion oscillator am fm radio band digimarscope vtr jitter meter

    低失真振蕩器am fm收音機用掃頻儀vtr抖動測試儀
  6. Through the test of sine wave sweep, the character of response of aeolian sand due to motivation is gained

    利用正弦波掃頻試驗,得到風積沙對激勵的響應特性。
  7. Both fine and coarse center frequency controls, combined with a scanwidth selector provide simple frequency domain measurements from 100 khz div

    中心率控制有微調和粗調,掃頻寬度選擇從
  8. Study on sweep - frequency electrical impedance tomography system

    掃頻式電阻抗斷層成像系統的研究
  9. The level first frequency variety regularity following the pre - stressing cable value is achieved through white noise sweep checking. the conclusion that model is in elastic work stage is achieved

    對結構模型進行了振動臺試驗,採用白噪聲對結構模型進行掃頻分析,得出結構水平第一振型對應率隨拉索預應力值的變化規律。
  10. Study of scale removal with swept magnetic field based on sewage scale in oilfields

    基於油田污水結垢的掃頻磁場除垢
  11. The road sweeping cleaning, enhancing sweeping frequency, asking for " seven - eight net, " that is no deposit, no litter ( pack ), the peel of debris - brick, sand, mud without water, without tanji stains, ground - graffiti was chaos posted, the road net, net wellhead groove, lower part of wall net, net - poles, tree point net, net roadside stone teeth, green belts, net, net garbage bin

    在道路清保潔方面,提高清掃頻率,要求達到「七無八凈」 ,即無堆積物、無垃圾(包) 、無果皮紙屑、無磚瓦土石、無污泥積水、無痰跡污漬、地面無亂塗寫亂張貼,路面凈、溝井口凈、墻根凈、電桿根凈、樹穴凈、路邊石牙凈、綠化帶凈、果皮箱凈。
  12. It uses the condition to design the system. it also describes theories of dealing with the system error

    本章還討論了掃頻式微波干涉儀診斷系統的誤差處理方法及原理。
  13. In chapter 5, the work is to emulate of system using software ads1. 5. in chapter 6 the main work is to introduce the microwave circle circuit

    第五章用ads軟體模擬了掃頻式微波干涉儀的高部分的原理、性能及有關器件的要求。
  14. The technology renovation project " application of frequency sweep microwave interferometer method to the measurement of electron densities in the wake of hypervelocity projectiles " is the research work of this thesis

    具體要求是將所研製的掃頻式微波干涉儀應用於某氣動物理靶中對等離子體尾跡進行電子密度的測量。
  15. In addition, it also describes the method of designing microwave interferometer diagnosis systems. in chapter 4, the frequency sweep microwave interferometer diagnosis system is designed in detail and it ' s issues and errors are described

    第四章詳細地設計了氣動物理靶尾跡掃頻式微波干涉儀診斷系統,提出了的設計思想,並說明了這類干涉儀要注意的問題。
  16. Sine sweeping constant current exciting for geophone characteristic parameter measurement and identification

    地震檢波器特性參數識別的一種新的正弦掃頻恆流激勵方法
  17. First, the ray tracing equation and its numeric solution is presented in this paper, then on the base of quasi - parabolic ionosphere model, using the technology of the numeric ray tracing, a ray tracing simulateing platform is established. this platform can simulate the ray tracing for a fixed frequency or sweeping frequencies, also can calculate the group path and the covered region of rays

    首先,本文給出了射線追蹤方程及其數值解法,在球形對稱準拋物模型背景電離層基礎上,利用數字射線追蹤方法,建立了射線軌跡演示平臺。該平臺可實現定掃頻射線軌跡演示,計算各射線群路徑,覆蓋區域等功能。
  18. Characteristic parameter measurement and identification of geophone by electric sine sweeping exciting

    正弦掃頻電激勵法測量與識別地震檢波器特性參數
  19. 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率、並聯諧振率、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。
  20. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術,在介紹了有線通信系統所用的調制解調通道模型后,首先闡述了載波恢復技術的思想和基本原理,在此基礎上給出了三種載波恢復演算法,即判決導向演算法、簡化星座判決演算法和掃頻演算法,並且給出了其各自的模擬圖:然後深入研究了一種適合高階qam並且能糾正較大偏的載波恢復技術:極性判決演算法。
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