signal shaping 中文意思是什麼
signal shaping
解釋
信號形成-
That is, vibration caused by the first part of the command signal is canceled by vibration caused by the second part of the command. input shaping is implemented by convolving a sequence of impulses, an input shaper, with any desired command
輸入成型通過把參考輸入信號和一系列脈沖進行卷積，得到成型輸入信號，而成型輸入信號作用於控制對象，其中這脈沖序列就是輸入成型器。 -
Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。 -
Sigma - delta modulator, combined with oversampling, effectively attenuate the in - band quantization noise in the output signal and enhance the signal - to - noise ratio ( snr ) through the shaping of the quantization error
調制器與過采樣相結合，對量化誤差噪聲進行整形，有效衰減輸出信號的帶內量化噪聲，提高了輸出帶內信噪比（ snr ） 。 -
The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given
首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。 -
A study of the shaping of signal pulse under the condition of a synchronous pulse pump
同步脈沖泵浦下信號脈沖整形的研究 -
Aiming at the problem of intercepting the direct sequence spread spectrum communication signal, this paper makes full use of the wave characteristic of base - band signal after it is applied to shaping filter is made, and an algorithm which is based on the average power serial is given
摘要針對直接序列擴頻通信信號的偵察問題，充分利用擴頻基帶信號發送成型濾波后的波形特點，提出了一種基於最大平均功率序列的演算法。 -
The system composition structure includes 8031 single chip computer, signal test ( count sensor and speed sensor ), electrical interfaces ( amplification shaping circuit, drive, relay, 8155 parallel i / o, 8279 keyboard display, d / a converter ) and executive mechanism ( electromagnet and electromotor )
系統組成結構由8031單片機、信號檢測（計數傳感器和測速傳感器） 、電氣介面（放大整形電路、驅動介面、繼電器介面、 8155并行i o介面、 8279鍵盤顯示器介面和d a轉換介面） 、執行機構（電磁鐵和電機）組成。 -
Aiming at realizing an all - digital programmable qpsk modulator with data rates covering 2k ~ 2. 048mbps, this thesis puts research on modulator architecture, base - band signal shaping, programmable interpolation algorithm, and digital signal processing algorithms with fpga. we have completed the program design and the timing simulation, the pcb board has been fabricated. the similation result is given to verify the design
本文以實現2k ~ 2 . 048mbps傳輸速率的變碼速率全數字qpsk調制器為目標，對全數字調制器結構、基帶成形濾波、高倍可變內插以及基於fpga的信號處理演算法等問題進行了研究，編寫了調制模塊的vhdl程序，完成了軟體環境下的驗證調試，並設計實現了板級調試系統。 -
Input shaping is a feedforward control technique for reducing vibrations in computer controlled machines. the method works by creating a command signal that cancels its own vibration
輸入成型是一種減小自動化控制系統中的余振的前饋控制技術，它通過改變參考輸入信號的形狀來消除系統撓性帶來的振蕩。 -
Digital filters provide a important function in digital signal processing design ， and are used in a wide variety of applications such as signal separation ， restoration ， or shaping
=數字濾波作為數字信號處理技術的重要組成部分，廣泛應用於諸如信號分離、恢復、整形等多種場合中。 -
This paper investigates the problems about the base - band signal shaping and the multi - rate signal processing of the radio - frequency signal
本文對基帶信號的成形和射頻信號的多速率處理進行了研究。
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