提供一种具有双模分频器的相位切换双模除频器。
A phase-switching dual modulus prescaler having a dual modulus divider is provided.
应用dds技术可实现相位连续的快速频率切换。
DDS technology can switch frequency fastly in phase continuous.
其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
模块中的相位累加器，使系统具有较高的频率分辨率，可实现快速频率切换，很容易实现频率、相位和幅度的数控调制，有广泛的应用价值。
The phase adder in the model is widely applied which could enable system to hold high frequency revolution, fast frequency switching, and easily digital modulating of the signal's phase and amplitude.
在数字通信中，理想的MDPS K信号在码元切换时会发生相位跳变，旁瓣功率较大，需要经过限带滤波后才能够发射。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
提出了基于FPGA的无损伤切换的实现方案，并重点介绍了实现中采用的相位调整、弹性存储器和自动切换控制等关键技术。
The implementation scheme based on FPGA is proposed, and key techniques such as phase adjusting, elastic store and automatic switch control are introduced.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
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