digital mixer
英 [ˈdɪdʒɪtl ˈmɪksə(r)]
美 [ˈdɪdʒɪtl ˈmɪksər]
网络 数字混频器; 数字调音台; 数码混音器; 数字混音器; 数位式混音器
双语例句
- Development of Embedded Linux Digital Mixer Based on Blackfin
基于Blackfin的嵌入式Linux数字调音台的开发 - The system of the device include Digital Audio Broadcasting Tuner, Radio Data System Encoder, Baseband Mixer, Subcarrier Modulator, Frequency Modulation Modulator and Microprocessor.
此转换装置的系统架构包含数位广播讯号谐调器、无线数据系统编码器、基频混波器、副载波调变器、频率调变调变器以及微处理机。 - The second chapter study the signal processing of digital-down converting, which mostly includes down-sampling technology, multi-rate signal processing and orthonormal digital mixer technology. etc.
第二章研究了数字下变频中的信号处理，主要内容包括欠采样技术、多速率信号处理与正交数字混频技术，结合具体的数字下变频器件分析了其结构和性能。 - Development and Application of the Software for the Interface of PC and Digital Mixer
PC机与数字调音台接口软件的开发及应用 - A Digital Video Mixer Based on PIC Single Chip Microcomputer Control
一种基于PIC单片机控制的数字视频混合器 - This paper introduces a method of realization of the numeric controlled oscillator ( NCO) used in quadrature digital mixer with the CORDIC ( COordination Rotation DIgital Computer) algorithm based on vector rotation.
介绍一种利用矢量旋转的CORDIC（COordinationRotationDIgitalComputer）算法实现正交数字混频器中的数控振荡器（NCO）的方法。 - To improve the disadvantages in the hopping time measurement of digital analog frequency synthesizer and frequency-locked frequency synthesizer, a modified measurement method by using of frequency-modulated controller, synthetic signal source mixer and oscilloscope was put forward in this paper.
为解决用于直接模拟式频率综合器、锁相式频率综合器跳频时间测试方法的不足，提出了一种用调频控制器、合成信号源混频器和示波器等进行测试的改进方法。 - The chirp system, which is commonly used for RCS measurement, is utilized to collect data and a method of orthogonal digital correlation mixer is suggested to process the sampled data.
该方法利用通常的线性调频RCS测量系统进行信号采集；信号处理则采用本文介绍的正交相关数字混频器。 - The paper offers a scheme of improved loop integration with digital mixer, operation speed of synchronous counting chain is much lower than the routine ones, but other functions of this loop would be the same with a common loop.
本文提出一种带数字混频器的改进环合成方案，其同步计数链的运算速度较之常规大为降低，而其他性能仍可做到和常规环一样。 - The high-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented.
介绍了高速中规模集成数字频率合成器、晶体管高频大功率放大器的设计。 - A Digital Down Converter ( DDC) converts an intermediate frequency ( IF) band signal into a baseband signal by using a mixer in the digital region and a low-pass decimation filter which can extract one signal channel from the received after the analog-to-digital conversion.
数字下变频的主要目的是经过数字混频将A/D转换输出中频信号搬移至基带，然后通过抽取，滤波完成信道提取的任务。 - This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.
该解调器由数字混频器、数字频率合成器（DDFS）和低通滤波器构成。 - The use of FPGA and dedicated quadrature digital upconverter chip approach can not only produce complex radar signals, but also avoid nonlinear distortion that analog devices make an impact on the signal because of the signal modulation and the primary mixer are accomplished in the digital field.
采用FPGA和专用正交数字上变频芯片的方式，既可以产生复杂的雷达信号，同时信号的调制以及初级混频均在数字域完成，避免了模拟器件给信号带来的非线性失真的影响。 - As introduced, DDC is divided into two modules according to their functions, which are digital mixer and digital filter banks. We design the DDC based on the method of top-down modularization design.
文中介绍了数字下变频技术的相关基本理论以及常用算法，并将数字下变频器按功能划分为数字混频和数字滤波器组两个模块，采用自顶向下的模块化设计方法进行了数字下变频器设计。 - Then make a comparison between these structures. 3. Designs and verifies the digital down conversion system and discusses the selection of the NCO mixer and the filter type.
对数字下变频系统方案进行了确定，讨论了NCO混频器的设计和滤波器类型的选择，完成了系统方案的仿真验证。 - The receiver system is implemented by a mixer and digital IF structure, and the RF front-end part of receiver is implemented by the pre-BPF, two auto gain control circuits, mixer and IF amplifier circuit.
该接收机设计时采用一次混频中频数字化结构，系统前端电路由前置带通滤波器、两级自动增益控制电路、混频电路和中频放大器组成。 - This paper has designed a digital mixer with high quality, low cost and user-friendly interface which meets the various situations needs completely.
本课题设计出的数字调音台具有声音质量高、成本较低、操作界面友好等特点，可完全满足以上各场合的需要。 - Digital mixer is the core equipment used for radio, stage controlling, and music, programming.
数字调音台是广播、舞台控制、音乐录制、节目制作的核心设备。 - Its key modules are digital mixer and interpolation filter, and were lucubrated.
对其关键模块数字混频模块和内插滤波模块进行了深入研究。 - Digital Down Converter consists of Digital Mixer, Direct Digital Frequency Synthesizer and Low-passed Filter.
数字下变频器的组成包括数字混频器、数字直接频率合成器和低通滤波器。 - In digital mixer module, a dual-way quadrature local signal was generated by NCO.
对于数字混频电路，采用NCO数控振荡器产生双路正交本振信号。 - In the digital mixer module, discusses the structure, parameters, advantage, disadvantage and improvement of the LUT method and CORDIC method.
对于数字混频模块，讨论了查找表法和CORDIC法的实现结构及其参数的确定，指出了两种方法的优缺点及其性能改进方式。