bandpass 中文意思是什麼

bandpass 解釋
帶通,傳送帶
  1. There is a great deal of demand in modern electronics, however, for bandpass amplifiers.

    然而近代電子學對調諧的頻率范圍很寬的帶通放大器提出很多要求。
  2. The image was obtained by taking multiple exposures through bandpass optical filter sets appropriate for fluorescein, texas red dye and dapi using a 100x plan apochromat objective

    成纖維細胞分化為成軟骨細胞、成膠原細胞和成骨細胞,形成體內的纖維組織、肌腱、腱膜、各種支持組織和粘合組織。
  3. Chrominance bandpass response

    彩色信號帶通響應特性
  4. A coplanar waveguide tunable bandpass filter using ferroelectric thin film

    基於共面波導傳輸線的鐵電薄膜可調帶通濾波器
  5. Bandpass sampling theorem and digital quadrature coherent detection

    帶通采樣定理與中頻採集數字正交檢波
  6. 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。
  7. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體濾波器概念運用於基片集成波導結構,設計出了一種窄帶帶阻濾波器,對其進行模擬,得到了窄帶帶阻濾波特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。
  8. Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver, and with the help of eda simulation tools, the bold plot and the group delay characteristics of the filters designed are compared

    摘要採用巴特沃思型和貝塞爾函數型2種方法進行接收機帶通濾波器設計,藉助eda對該濾波器進行波特圖和群延遲特性的比較。
  9. This paper introduces the basic principle of the filter, expounds the structure of the spiral bandpass filter and the design method for the spiral bandpass filter based on the communication frequency, and proves this design method through testing

    介紹了濾波器的基本原理,敘述了螺旋濾波器的結構以及基於通信頻段的螺旋濾波器設計方法,並通過實驗驗證了該設計方法。
  10. First, the structure of sdr and the physical - channel of td - scdma are expounded, then software and hardware models of the terminal receiver, which use the sdr structure of wideband and bandpass sampling in if ( intermediate frequency ), are put forward

    首先對軟體無線電的組成結構和td - scdma物理通道進行了闡述,在此基礎上提出了基於寬帶中頻帶通采樣軟體無線電結構的td - scdma終端接收機的軟硬體模塊設計方案。
  11. On the basis of this theory, the applications of the sdr structure of wideband and bandpass sampling in if ( intermediate frequency ) in flight test were offered : increase the sampling in if ( intermediate frequency ) in flight test were offered : increase the capacity of the transmitter and the terminal receiver channels without changing the apparatus of original system and on the conditions of obeying the standard remote sensing

    首先對軟體無線電的組成結構和飛行測試中實際使用的通道進行了闡述,在此基礎上提出了基於寬帶中頻帶通采樣軟體無線電結構在飛行遙測測試中的應用,在不改變原系統設備的情況下,在遵守遙測標準的前提下,提出增加機載發射機和接收機通道容量的設計方案。
  12. Experiments show that, when use msp430f149 audio sensor to identify vehicles that contain plane, tank, truck and so on by time domain features and two - level f - ratio, the recognition rate is 82. 1 % ; when use both msp430f149 audio sensor and arm9 sensor to identify vehicles, and the recognition rate is much better than the original system and msp430f149 audio sensor. line spectrum of power spectra and 3 / 2 spectrum is used as frequency features on arm9 sensor, and it is caught by narrow - band bandpass filter

    實驗證明,在主頻為8mhz的msp430f149感知器上,採用基於時域特徵和二階f比的識別演算法,能夠實時地完成對飛機、坦克、卡車等交通工具的識別;將msp430f149感知器與基於arm9的高端感知器配合使用,且高端感知器採用功率譜線譜或3 / 2維譜線譜作為頻域識別特徵,能夠實時的對各類交通工具做更高性能的識別。
  13. In the future it may be possible to have such bandpass sigma - delta adcs with userprogrammable digital filter coefficients, so that the passband of a receiver could be modified during operation in response to the characteristics of the signal ( and the interference

    未來可能會出現用戶可編程數字濾波系數的帶通- adc ,這樣接收機的通頻帶就可以隨著所接收的信號的特性而改變。
  14. Vhf bandpass filter

    甚高頻帶通濾波器
  15. Frequency estimation technology and bandpass filtering, which are named as wideband digital downconversion technology, are the key technologies to realize data rate conversion system

    測頻技術以及帶通濾波,即寬帶數字下變頻技術,是實現數據率轉換系統的關鍵技術。
  16. Application of bandpass undersampling principle in software radio

    帶通欠采樣定理在軟體無線電中的應用
  17. Uniform undersampling technique of bandpass signal and its engineering application in software digital if receiver

    帶通欠采樣技術及在數字中頻軟體接收機中的工程應用
  18. On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former

    作者提出了一種基於帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。
  19. The bottleneck of hybrid filter banks adc system is that it cannot sample directly higher radio frequency signal because of lower analog input bandwidth of its adc. in order to remove it, a kind of downsampler model based on nyquist and bandpass sampling theorem is presented, analyzed and proved in time and frequency domain, in addition a downsampler is designed according to the model. on the basis of hybrid filter banks adc system, a class of high speed hybrid filter banks adc system is proposed

    針對混合濾波器組adc系統因其adc模擬輸入帶寬低而不能對頻率較高的射頻模擬信號進行模/數轉換的瓶頸,作者提出了一種基於nyquist采樣定理和帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的sha抽取器,進而在混合濾波器組adc系統的基礎上,提出了高速混合濾波器組adc系統。
  20. This system can be used for ar, bs, high reflectance mirror, edge filter, bandpass filter, window for laser, telescope film etc

    已經在多家用戶成功應用於寬帶增透膜、分光膜、激光器窗口、望遠鏡紅膜等膜系監控。
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