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- 反差函數(用作測試菲林等的反差及解像力，亦稱(chēng)modulation transfer function)sine wave transmission
- 調制傳遞函數(Modulation Transfer Function，簡(jiǎn)稱(chēng)MTF)，是光學(xué)成像系統成像質(zhì)量的重要評價(jià)指標。MTF (Modulation Transfer Function) is a key indicator of digital imaging system.
- 主要研究?jì)热莅?1)可以實(shí)現LFM(Linear Frequency Modulation)功能的32位流水線(xiàn)相位累加器的設計;The research including:1) Design of pipelining 32-bit frequency-phase accumulator with LFM(Linear Frequency Modulation);
- 主要討論了三種語(yǔ)音編碼方案 ,即線(xiàn)性脈沖編碼調制 ( PCM,Pulse Code Modulation)、A律 PCM和連續可變斜率增量調制 ( CVSD,Continuous Variable Slope Delta Modulation)。Three kinds of speech encoding schemes, namely, Pulse Code Modulation, A law PCM and Continuous Variable Slope Delta Modulation, are discussed mainly.
- 提出一種基于高壓縮多載波調制(HC-MCM,high compaction multi-carrier modulation)技術(shù)和排列組合正交頻分復用(PC-OFDM,parallel combinatory OFDM)技術(shù)的新型調制系統,即排列組合高壓縮多載波調制(PC/HC-MCM)系統。A novel system named parallel combinatory/high compaction multi-carrier modulation(PC/HC-MCM) system was proposed based on techniques of high compaction multi-carrier modulation(HC-MCM) and parallel combinatory OFDM(PC-OFDM).
