bandpass sampling 中文意思是什麼
bandpass sampling
解釋
帶通抽樣-
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 -
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。 -
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。 -
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。 -
The realization of software radio receive subsystem based on bandpass sampling
基於帶通采樣軟體無線電接收子系統的實現 -
Bandpass sampling technology in the radio frequency used in software radio
射頻帶通采樣技術在軟體無線電電臺中的應用 -
This paper makes out the sampling frequency of bandpass sampling theorem, reduces the data rate after the sampling of broadband software radio ( signal bandwidth is 20 mhz ) and raises information processing speed
本文確定了按帶通采樣定理采樣的頻率，降低了寬帶軟體無線電（信號帶寬為20mhz ）采樣后的數據率，提高了信息處理能力。 -
Analysis of bandpass sampling in software defined radio
軟體無線電中的帶通采樣分析 -
Application of bandpass sampling in software receivers
帶通采樣技術在軟體接收機中的應用 -
Investigation on the application of bandpass sampling in data acquisition
帶通采樣在數據採集中的應用研究 -
The digital quadrature sampling theorem for bandpass signal and its optimum design
帶通信號的數字正交采樣定理及優化設計 -
Software radio which promises well needs a kind of wideband high speed and resolution adc, but at present it is hard to realize. on the basis of the theory of multirate signal processing, the theory of filters, bandpass sampling theorem and adc principium, perfect reconstruction quadrature mirror filter ( prqmf ) banks adc system is proposed
基於此背景，本文在融合多速率數字信號處理理論、濾波器理論、帶通采樣定理以及adc原理的基礎上，提出了prqmf濾波器組adc系統，並對該adc系統的原理、結構、特性進行了探討和研究，其主要結論和創新之處如下： 1 -
Study of rf direct bandpass sampling structure of software radio amp; amp; its use
射頻直接帶通采樣軟體無線電結構分析及其應用 -
In order to experiment the application of bandpass sampling theory in digital o - scilloscope, multiple clocks of high quality were required, from whe - re the design of the main oscillation source with alterable frequency came into being
為實驗帶通采樣理論在數字示波器中的應用，需提供高質量的多種時鐘，由此產生的可變頻率主振源設計。 -
Accuracy of frequency estimation is the kernel of doppler log performance. bandpass sampling fft method, which is suitable for deep water doppler log, is present. accuracy of this method is desirable according to simulation results
在參考借鑒大量頻率測量方法的基礎上，提出了適用於大深度多普勒計程儀的頻率估計演算法-帶通采樣fft法，並進行了模擬計算，其精度令人滿意。
分享友人