radio frequency filter 中文意思是什麼
radio frequency filter
解釋
射頻濾波器-
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。 -
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。 -
These figures remain part of the frequency conversion and filter software is part of the radio group, one of the key technologies, and the use of fpga design, as programmable devices in the programmable nature of the achievement made more flexible system can be seen from the perspective of hardware software
其中數字前端中的下變頻部分和濾波器組部分是軟體無線電中的關鍵技術之一，而運用fpga來設計，由於可編程器件的可編程性，使得系統的實現更加靈活，可以從軟體的高度來實現硬體。 -
Standard for methods of measurement of radio frequency power line interference filter in the range of 100 hz to 10 ghz
100赫茲到10千兆赫范圍內射頻電力線路抗干擾濾波器的測量方法標準 -
Passive multilayer filter based on ltcc for radio frequencies is a new type complex module satisfying requirements for miniaturization, lower cost and higher frequency in the development of modern electronic system
基於ltcc技術構造的多層微波濾波器是一種新型的復合組件，因其具有眾多優點而滿足了現代電子系統高頻化、小型化、低成本化的發展要求。 -
The designs and realizations of the representative radio frequency modules, such as power attenuator, directional coupler, filter, small signal amplifier and oscillator, were emphasized
重點分析了典型射頻模塊電路（如：功率衰減器、定向耦合器、濾波器、小信號放大器和振蕩器）的設計和實現。 -
In the frequency - domain, by referencing of the result of software radio, adapting the process method of digital signals, e. g. interpolate and extraction, and using the matlab signal process box, the experiment of hybrid filter banks ( hfb ' s ) applied in dso is made with computer
在頻域，引用軟體無線電研究成果，應用抽取、內插等數字信號處理方法，用matlab信號處理工具箱完成對頻域帶通取樣變換方法應用於寬帶存儲數字示波器的模擬實驗。
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