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- SAW MINIMUM PEAK SIDELOBE FILTER FOR 15bit m-SEQUENCE PHASE CODED WAVEFORM SAW 15位m序列相位編碼信號的最小峰值旁瓣濾波器
- A NOVEL SIDELOBE SUPPRESSION FILTER FOR BINARY PHASE CODED WAVEFORMS 一種新的二相碼旁瓣抑制濾波器
- Under the condition of zero Doppler frequency shifts,this kind of"waveform pair"is equivalent to polyphase Barker coded waveform at costs of a small amount of loss in signal-to-noise ratio and widening of the bottom of mainlobe. 在零多普勒頻移條件下,這類「波形對」能以少量信噪比損失為代價使脈壓輸出波形的主旁瓣比等於碼序列的長度,也就是說,從主旁瓣比的角度講,這類「波形對」可以等效為相應長度的多相巴克碼波形。
- There are two difficulties when applying the channelized receiver to intercept a broadband phase coded signal (PCS). 數字通道化接收機在偵收寬頻相位編碼信號時主要存在兩個難點。
- It is discussed how to use CPLD to design an arbitrarily combinatorial coding waveform generator in this paper. 討論了如何使用可編程邏輯器件設計任意組合編碼波形發生器。
- A anti counterfeiting method using CGH phase coding is presented in this paper. 提出一種計算全息位相編碼防偽方法。
- Minimum Peak Sidelobe Filters for 11-Bit Barker Coded Waveform 11位巴克碼信號的最小峰值旁瓣濾波器
- Phase Coded Stepped Frequency(PCSF) 相位編碼步進頻率
- In the processing of extracting iris character, the Daugman coding, phase coding and multichannel Gabor filter are introduced. 在虹膜特徵提取中,介紹了Daugman編碼法,相位編碼法和多通道Gabor濾波法。
- A new quantum key distribution scheme is proposed to realize both phase coding and time coding based on two unbalanced Mach-Zehnder interferometers. 提出了一種在雙馬赫-曾德爾干涉儀量子保密通信系統上同時實現時間編碼和相位編碼的混合量子密鑰分發方案。
- In this research, we use chirp excitation, which is one of coded waveforms as an attempt to improve CTR by increasing pulse length and maintain the axial resolution by received pulse compression. 本研究將進一步應用編碼波形中的高斯啾聲脈衝在脈衝反相基頻影像上,以拉長脈衝的方式取代提升脈衝峰值來增加脈衝能量,可提升影像之訊雜比且避免破壞氣泡與組織,然後利用壓縮濾波器壓縮回波訊號,恢復因脈衝拉長而下降之軸向解析度。
- Linear frequency modulation (LFM) signal and binary phased code (BC) signal are applied widely in pulse compression radar system. 摘要線性調頻信號和二相編碼信號在脈衝壓縮雷達系統中使用較為廣泛。
- Some work has been done on digital audio watermarking algorithms researching, particularly some general algorithms such as LSB, phase coding are introduced. 對一些當前使用和研究較多的數字音頻水印演算法,包括最不重要位(LSB)法、相位編碼法等結合實驗結果作了的分析與介紹。
- A detection method will let phased coded radar to detect such wideband doppler signal, whose result not only gives speed information, but also filters ground echo by speed as a anti-jamming measure. 相位編碼雷達可以採用一種檢測方法實現對該寬頻多普勒信號的檢測,其結果不但可以指示速度,而且還可以作為速度選通的抗干擾措施。
- Phase Code Signal Processing of Radar 雷達中的相位編碼信號與處理
- Phase coding patterns of MPSK (multiple phase shift keying) are recogniged based on the phase mutation values which are determined by computing the error energy of adjacent code elements in MPSK. 通過計算多相編碼信號(MPSK)相鄰碼元間的誤差能量的方法來確定相位突變值,從而達到對MPSK信號相位編碼規律的識別。
- The child is going through a difficult phase. 那孩子正經歷困難的階段。
- The two sets of traffic lights were out of phase. 那兩組交通燈不同步。
- Design and Debug of a Program Controlled Multibit Coding Waveform Generator 可程式控制任意組合編碼波形發生器的設計與調試
- They have decided to phase in the new techniques. 他們已決定逐步引入新技術。