高濾波器 的英文怎麼說
中文拼音 [gāolǜbōqì]
高濾波器
英文
high filter- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 濾 : 動詞(除去液體雜質) filter; strain
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 濾波器 : [電子學] electric filter; (electric) wave filter; filter
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But the cost of apf is expensive, so this disadvantage restricts the practical application
但有源濾波器的成本太高,這缺點又限制了其實際應用。In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail
摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源帶通濾波器的設計方法,詳細介紹了該濾波器的設計步驟及阻容元件的參數計算,並對設計出的電路用計算機進行模擬模擬和容差分析。Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal
在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構,推導並建立了實信號通道化數字接收機的多種數學模型。E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat
與共振情況(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致)相比,非共振條件(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators
在各種微波器件如濾波器、輻射器、諧振器和寬帶傳輸線中橢圓波導有著廣泛的應用。周期加載波導在高功率微波管、波紋喇叭和線性加速器等中起著重要作用。The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement
2 .在鎖相理論指導下,第三章討論了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控振蕩器和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相器性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic
本文討論的iir濾波器是一種遞歸結構的數字濾波器,主要用於能夠容忍相位失真而要求具有良好的衰減特性的高數據處理量的系統中。Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced
本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構,由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族,包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。The research indicates that the random sectionalized linearization methodology introduced by the author is more simple and efficient than stochastic equivalent linearization method, so it is convenient for generalizing
研究表明,作者提出的隨機分段線性濾波器較等效線性濾波器計算程序簡單得多,便於推廣應用、而且效率高。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。Finally, a chebyshev function bpf with siw resonator was designed and realized by ltcc with 12 - layer substrate. a high performance elliptic function bpf with siw resonator was designed
在分析ltcc集成高q濾波器實驗結果的基礎上,設計了一個基於siw技術的9層基片的高性能的橢圓函數濾波器。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector
通過與大華無線電廠合作,研製了超高頻傳感器,其主要由天線、超高頻放大器、高通濾波器、寬帶檢波器等組成。The paper is to design analogue lowpass filtering circuits with high performances. the circuits are used directly as anti - alias filters in an analogue front - end of video decoder ic ( integrated circuit )
=本文旨在設計高性能的模擬低通濾波電路,用作視頻解碼晶元模擬前端中的抗混疊濾波器。For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser
對語音調制情況,如帶通濾波器的通帶范圍取為300hz - 3400hz ,則激光器的抗噪聲性能基本不依賴于偏置電流和腔內參數;當帶通濾波器的通帶范圍增大到一定程度,調整偏置電流和腔內參數可以實現半導體激光器的高抗噪聲性能。Under special conditions a bpf may also be used as an lpf or as an hpf
在特殊條件下,帶通濾波器也可以用作低通濾波器或高通濾波器。It also overcomed the dificulty to realize characteristics bpf with fractional bandwidth greater than about 5 % in the form of multi - metal insert waveguide filter
既提高了濾波器的阻帶性能,又避免了單純的多膜片結構能實現的濾波器帶寬較小的缺點。Simulative results prove that these algorithms are effective to improve the orientation precision. at the end of the paper, we apply the kalman filtering to gps / dr and gps / ins and obtain preferably results
在此基礎上,就如何提高濾波器的動態性能作者提出了改進演算法,即自適應卡爾曼濾波演算法、帶漸消因子的優化演算法及改進的優化演算法,並分別進行了模擬分析。2. analyzing each module algorithm of the receiver, and improving the traditional common subexpression elimination ( cse ) algorithm which the fir filter designs based on the canonical signed - digit ( csd ) to enhances the filter the realization speed
2 、對接收機各個模塊演算法進行分析,確定各模塊的實現方式,並改進了基於經典正則帶符號碼( csd )的共用子模塊( cse )演算法的fir濾波器設計,以提高濾波器的實現速度。The results of the test demonstrated that the system has a good performance in the linearity, dynamic scope, isolation, coherence of the amplitude. the group delay of the upmixers is 2ns, which is better than other domestic manufactures. because the inconsistency between the isolation and the phase coherence, and the error of the test method, we haven ’ t gotten the good performance of the phase coherence. the next work is improving the restrain of the filter to the lo signal and the phase test methods
在單路發射通道上,群時延達到了2ns ,優于國內很多產品。三路通道之間的相位一致性由於測試方法的誤差以及隔離度指標的牽引作用,我們不能調試達到非常好的在相位一致性指標,再下一輪的工作中必須提高濾波器對本振信號的抑制度,改進相位測試方法以達到指標要求。分享友人