low band 中文意思是什麼

low band 解釋
低波段
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  1. Design of microwave ultra - broad band low noise amplifier

    微波超寬帶低噪聲放大器的設計
  2. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  3. Basic environmental testing procedures. test methods. test fdc : random vibration wide band. reproductibility low

    基本環境試驗程序.試驗方法. fdc試驗.寬帶的隨機振動.可再現性低
  4. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  5. The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明，倍頻放大組件能夠為lmds毫米波前端提供很好的本振源，並且具有成本低、體積小、可靠性高等優點。
  6. It is becoming trends of modem radar technology, which are ultra - wide band, high resolution, low probability of interception, intelligent, according to the points of high tech local war happened last several decades

    針對高技術局部戰爭的特點，現代雷達技術正朝著超寬帶、高分辨、低截獲、多功能、智能化的方向發展。
  7. The mine lies in the band of positive magnetism abnormity, gravitation abnormity, steepness of mohole and ni ~ co geochemistry abnormity. it has geophysical features ; those are great gravity, great magnetic force, great polarization and low resistance

    含礦巖體位於正磁異常帶、重力高異常、莫霍面的陡度帶和ni - co地球化學異常帶上，並顯示重力高、磁力高、極化率高和電阻率低「三高一低」的地球物理特徵。
  8. Two high q bandpass filters at millimeter wave band based on substrate integrated waveguide ( siw ) and low temperature co - fired ceramics ( ltcc ) are designed in this thesis, and one is realized

    本文主要講述了基於介質集成波導（ siw ）技術和ltcc工藝的毫米波頻段高q濾波器的研製。
  9. While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance

    此外，文中還對w頻段微帶結構直流偏置網路、微帶波導過渡等外圍電路進行了模擬優化，設計方法和結論對毫米波微帶電路設計具有通用的參考價值。
  10. 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
  11. A band of angels a - comin after me comin for to carry me home swing low.

    專心來順服凡事平安，信靠我救主福氣無限，
  12. ( 4 ) a high - speed communication module for ert was introduced in this system. the advantages of this communication module are rs422 / rs232 compatibility, high band rate of 921. 6kbps, noise - immunity and low cost. the module was successfully used in electrical resistance tomography

    目前國內有文章報導的最高數據採集速度為50幅/秒（ 3 ）引入了一個適用於電阻層析成像系統的通用高速通訊模塊，該模塊支持rs422和rs232雙協議，最高波特率達到921 . 6kbps ，具有通訊波特率高、抗干擾性能好以及成本低廉等優點。
  13. Overall idea can come to summary with " one area, one ring, one band, one lake " : " one area " points at the west low mountain area of forest ecological protection. " one ring " points at a blue green ring. blue ring band points at river water surface and along the river forest belt

    整體設想可以用「一片、一環、一帶、一水」來概括： 「一片」指西部中山林木生態保護區， 「一環」指一個藍色環帶，即藍色環帶指河流水面和沿河林帶建立起市域的生態環帶。
  14. In the low band of wavelet transform, energy of ground roll wave is normally greater than the average energy in overall band of seismic reflection event, which is regarded as the discrimination criterion for it

    在小波分頻后的含面波頻帶內，同一時刻較強面波能量總要比該時刻全排列的平均能量大得多，這是分頻識別強面波的判別準則。
  15. Ionospheric effects ca n ' t be ignored if signals are at a low band and the bandwidth is large

    結果表明，在信號頻段較低、帶寬較大的情況下，電離層的影響不容忽視，必須加以校正。
  16. Feng yue ( signal & information processing ) directed by professor hong jun the propagation characteristics of signals will be seriously affected by the ionosphere, especially the signals having a low band and large wideband

    電離層對星載sar特別是高解析度、寬帶sar的性能影響近年來已成為國際上的研究熱點之一，目前我國在這一研究領域研究較少。
  17. If one of the bulleted points is missing, the answer can be given a maximum mark of 5, i. e. low band 3

    （如果答卷漏掉一個任務要點，最多只能得5分，即3檔分數的下限。
  18. Attention ! repeated qso with the same participant is permitted on different bands and in each round of low band - part

    注意!在別的波段參賽者可以在每回合的低波段進行重復的qso
  19. Owing to high frequence, city power peak and pou can be removed by low band - pass filter that we design in the fourth chart

    對於市電的尖峰和浪涌噪聲，由於其屬于高頻成份，在本文第五章，我們設計了低通濾波器來濾波，消除其影響。 。
  20. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。
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