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- digital synthesizer tuner 数字合成调谐器
- AM/ FM stereo synthesizer tuner. FM立体声合成调谐器.
- The RF down converter used with the direct digital synthesizer uncouples tuning speed from phase noise creating the fastest and highest performance tuner on the market. 由于采用了直接数字合成去耦调谐速度的射频下变频，避免了相位噪声，也创造了市场上最快的速度和最高的性能。
- Radio for use in the shower with protection against water spray.PLL synthesizer tuner and 4 station memory.Integrated clock with timer function. 淋浴时候使用的放水溅的收音机，数调，4个存台（洗澡用绝对够了）内置时钟和计时器功能。
- The multi-function Walkman can record and playback tapes by remote control. Furthermore, its synthesizer tuner can tune to your desired station with one touch and can charge in only 10 minutes. 一款多功能的随身听。通过遥控实现录音和回放磁带。合成调谐器能够让你一键到你想要的电台。具备10分钟快速充电功能。
- The DDS, Direct Digital Synthesizer, which is implemented by a unique FPGA IC, can provide the stable sine signal with digital AM, FM, ASK, PSK modulation. 仅用单片FPGA就实现了直接数字频率合成技术（DDS），产生稳幅正弦波，并在数字域实现了AM、FM、ASK、PSK等四类调制信号。
- All frequency injections of the receiver are controlled by a phase-locked digital synthesizer which allows incremental frequency selection in 10, 1 and 0.1 MHz steps. 接收器的所有频率注入在状态之前被控制-锁了允许第10;1和第0.;1个百万赫兹步骤的逐渐增加的频率选择的数传合成器。
- Use method (1) named "the programmable trapping wave", which is merged with frequency spectrum convert in linear ,Direct Digit Synthesizer and Surface Acoustic Wave Filter, to open a communication band in jam-band willfully. 使用融合了线性频谱搬移技术、数字频率合成技术以及声表面波滤波技术的“可编程陷波法”，在干扰频段内任意开辟出通讯频段窗口；
- Through the research of direct digital synthesizer (DDS) used as a divider in phase lock loop (PLL), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized. 摘要通过对直接数字合成器在锁相环路中作为分频器应用的研究，使频率合成器可以在实现超细频率分辨率的同时达到高的频谱纯度。
- Design of a Local Oscillator for High Performance Digital Television Tuner Based on Direct Digital Synthesizer 基于直接数字频率合成器的高性能数字电视调谐器本振设计
- direct digital synthesizer (DDS) 直接数字频率合成器
- DDS ( direct digital synthesizer) DDS（直接数字频率合成器）
- DDS (Direct Digital Synthesizer) DDS（直接数字频率合成器）
- control/direct digital synthesizer(DDS) 控制／直接数字频率合成（DDS）
- Digital waveform generator which use DDS (Direct Digital Synthesize) technology has many merits like high frequency resolution, good stability and easy to generate signal. 基于DDS技术的数字波形发生器具有频率分辨率高、稳定性好、可灵活产生多种信号的优点。
- Design of Bessel Low Pass Filter in Direct Digital Synthesizer 直接数字合成器中贝塞尔低通滤波器设计
- An Improved Direct Digital Synthesizer with Reduced Spurious Noise 一种减少杂散的直接数字频率合成器改进结构
- synthesizer tuner 合成调谐器
- Direct Digital Synthesizer (DDS) and Performance Analysis 直接数字频率合成器(DDS)及其性能分析
- These theories provide a guide for designing and analyzing digitally synthesized signals with a specified SNR requirement. 这些理论，对于设计满足一定信噪比要求的数字波形合成器及对其性能的分析具有指导意义。
