signal shaping中文什么意思

發(fā)音:

用"signal shaping"造句

信號形成
信號整形

signal: n. 1.信號，暗號；信號器。 2.動機(jī)，導(dǎo)火線 (fo ...
shape: n. 1.形狀；樣子；形態(tài)；外形；模樣。 2.形式；定型 ...
shaping signal: 整形信號
signal shaping amplifier: 信號整形放大器
signal shaping network: 信號波形校正網(wǎng)絡(luò); 信號整形網(wǎng)絡(luò)

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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(jìn)行了研究。
Adaptive modulation mainly include several problem for example signal shape , channel estimation , all digital receiver and so on . since the channel referring to adaptive modulation is very hostile in wireless transmission channel , its algorithms and architectures used for the modulation and demodulation should be carefully devised and considered . designing appropriate algorithms and architectures of the adaptive modulation are main research goal of this paper to meet the need of flat fading channel and selective fading channel
自適應(yīng)調(diào)制技術(shù)主要包括信號成形、信道估計(jì)和檢測、全數(shù)字接收等方面的問題，由于自適應(yīng)調(diào)制所涉及的信道是非常惡劣的無線傳輸信道，其調(diào)制與解調(diào)的算法和結(jié)構(gòu)必須加以精心的設(shè)計(jì)和考慮，針對具體所假設(shè)的平衰落和選擇性衰落的無線信道情況來設(shè)計(jì)自適應(yīng)調(diào)制系統(tǒng)的算法和結(jié)構(gòu)是本文研究的主要方向。
9 inspect the amount , arrangement , fixing position of the signal equipment ( inspect all kinds of signal equipment according to “ navigation signal arrangement and mast structure drawing ” “ safe drawing ” ( such as signal light , signal shape things , signal flag , pyrotechnic signal , self igniting light of lifebuoy , sound signal etc ) whether satisfy finished plan , and check the qualified certificate of this equipment before and after installation on the ship
信號設(shè)備的檢驗(yàn)與試驗(yàn)（按照《航行信號布置及桅桿結(jié)構(gòu)圖》，《安全圖》）檢查各種信號設(shè)備（如信號燈、信號形狀用品、信號旗、煙火信號、救生圈的自亮燈、聲音信號等）的數(shù)量、布置、安裝位置是否滿足設(shè)計(jì)的完工圖紙，并在安裝到船上之前和之后檢查這些設(shè)備的質(zhì)量合格證。
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(fā),討論了基帶成形的基本原理與升余弦滾降濾波器的時頻特性,重點(diǎn)分析將理想的滾降波形g ( t )數(shù)字化后對頻譜的影響,并且根據(jù)系統(tǒng)指標(biāo),確定了各項(xiàng)參數(shù),給出了具體的設(shè)計(jì)舉例和仿真結(jié)果。
This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively , intelligently by mfl ( magnetic flux leakage ) inspection method . from the practical demand , theoretical analysis and experiments or testing , the mfl inspection technology of pipeline or pipe defects are explained , summarized in detail in the whole paper , at the same time , the relationship between the mfl field distribution , the mfl signal shape and the defect geometry or severity , the analysis of the mfl data and the compensation of influencing the relationship factors , signal feature extraction , intelligent recognition of defect parameters and so on are studied systematically
論文針對管道（鋼管）缺陷漏磁檢測定量化、智能化的難題，緊密結(jié)合檢測現(xiàn)場實(shí)際需要，通過理論分析和大量實(shí)驗(yàn)，系統(tǒng)分析總結(jié)了管道（鋼管）缺陷漏磁智能檢測技術(shù)，并在缺陷漏磁場分布以及缺陷漏磁信號與缺陷外形參數(shù)間的關(guān)系、缺陷漏磁信號分析、漏磁信號影響因素補(bǔ)償、缺陷漏磁場波形特征提取和缺陷外形尺寸定量識別等方面進(jìn)行了深入研究，主要成果和創(chuàng)新如下：引出磁偶極子模型近似分析常見缺陷漏磁場，針對磁偶極子模型的不足，將有限元方法應(yīng)用到缺陷漏磁場分析，實(shí)現(xiàn)了常見管道樣本缺陷漏磁場的模擬。