delta modulation造句
例句与造句
- Performance requirement of the delta modulation equipment
增量调制终端设备技术要求 - Methods of measurement for the delta modulation equipment
增量调制终端设备测量方法 - Adaptive delta modulation adm
自适应增量调制 - Adaptive delta modulation
自适应增量调制 - Linear delta modulation
线性增量调制 - It's difficult to find delta modulation in a sentence. 用delta modulation造句挺难的
- Delta modulation code
增量调制编码 - Cvsd （ continuous variable slope delta modulation ） voice coding enables operation at high bit - error rates
连续可变斜率增量调制的语音编码可以在高误码率的情况下正常工作。 - The results indicate that sigma delta modulation could improve spurs of fractional - n frequency synthesizer in a certain extent
研究表明, -调制技术可以在一定程度改善小数分频的杂散。 - And the record / playback 1c , using one - bit delta modulation ( adm ) , has been designed and made widely for its simple production and feasibility
而采用adm (自适应增量调制)编码的语音录放专用芯片因其简单实用而被广泛研制。 - Further more , a delta modulation ( dm ) is given for the unique structures by researching rdcli ’ s control strategies
然后,进一步研究谐振直流环节逆变器的控制策略,针对这一独特的拓扑,提出了用delta调制技术作为其控制策略。 - Sigma delta modulation frequency synthesis is an advanced technology that applies in pll ( phase - locked loop ) frequency synthesizer , which could transform the spurs created by fractional - n synthesizers into phase noise that could be filtered by inherent low - pass identity in pll
此技术应用-调制将锁相环频率合成器中分数分频器产生的相位杂散转化为相位噪声,通过锁相环本身低通滤波特性滤除,从而使用单环即可获得很高频率分辨率和极低的相位杂散。 - This paper focuses on the analysis of sigma delta modulation theories such as mathematics models , noise shaping characteristics , etc . combined with traditional pll fractional - n synthesizers structures , a project of sigma delta modulator is proposed , and the algorithmic analysis is implemented by fpga
本文在阐述-调制理论,分析其数学模型,噪声整形特性基础上,结合传统小数分频合成器,提出了-调制小数分频锁相环频率合成器实现方案,及其在fpga里的调制器算法。 - In recent years , oversampling techniques based on sigma - delta modulation are widely used to implement the interfaces between analog and digital signals in vlsi systems . this kind of technique can offer numerous advantages for the realization of high - resolution analog - to - digital converters ( adcs ) , and be insensitive to process variations . in other ways , the architecture is power - efficient means of implementing adcs
近年来,基于sigma - delta调制器的过采样技术被广泛的应用于模拟和数字接口电路,这种技术对实现高精度模数转换器有较多优势,同时可以降低系统功耗,但对工艺要求不是很苛刻,而且采用合适的低电压,以保证电路在低电压下可靠的工作。 - We made an improvement in overcoming the defects in speech signal adaptive delta modulation ( abbr . adm ) , such as slope overloading and grain noise . in this method , numerical sliding average filtering was used for filtering decoding speech signal . experiments and analyses indicate that the method makes waveforms in good agreement between the decoding of adm and the original pulse coding modulation ( abbr . pcm ) signal , and considerably improves , the playback speech quality in naturalness , legibility and under standability
针对语音信号自适应增量调制( adm )方式中斜率过载和颗粒噪声缺点，提出了一种改进方法，它利用滑动平均方法对解码后的信号进行数字滤波.试验和分析表明，该方法使解码后的信号波形与原脉冲编码调制( pcm )波形具有很好的一致性，使再生语音质量在自然度、清晰度和可懂度方面比改进前均有较大提高 - Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service , multi - modulationmode and multi - processdatarate . first , related software defined radio theory is introduced ; later , channels of transmitter - receiver are designed with consideration of data format , modulation , fec , interwaving . and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding
本文首先介绍了相关的软件无线电理论；然后完成了包括数据格式，调制方式，纠错码方式，交织器和扰码器等部分的中频调制解调器通道设计；接着着重介绍了系统中使用的音频压缩算法cvsd (连续可变斜率增量调制)的原理和实现，以及作为前向纠错码的卷积码编码理论和编解码的高效实现。