... frequency-shift modulator 移频调制器 frequency-shift signaling 移频信号 frequency-shift stability 移频稳定度 ...
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基于OMAPLI1X的轨道移频信号测试系统的软件设计-TI DSP 论坛 - 21ic电子技术论坛 关键词:移频信号 欠采样 ZFFT OMAP [gap=959]Key words:frequency shift signal; under sampling; ZFFT; OMAP
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电机工程专业英语词汇翻译 ... 频率交换信号 signalling， frequency exchange 移频信号 signalling， frequency shift 频带内发信号(在音声频带内) signalling， in band ...
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With the accelerating of the speed, frequency-shift signal detection system established based on traditional detection method is facing great challenges in China.
随着我国铁路的提速,基于传统检测方法建立的移频信号检测系统面临着极大的考验。
参考来源 - 基于单芯片ARM的移频接收综合采集系统China’s railway has widely adopted ZPW-2000A none-insulation frequency-shift automatic blocking System. High accuracy detection of the frequency shift signal parameters is important to ensure train driving safety.
我国铁路干线普遍采用了ZPW-2000A型无绝缘移频自动闭塞系统,移频信号参数的高精度检测对保证列车的行车安全具有重要意义。
参考来源 - 基于单芯片ARM的移频接收综合采集系统In order to detect railway frequency-shift signal, according to its characters, a method based on lifting wavelet and Fourier transform is proposed. For the homemade 4 information and UM71 railway-shift signal, lifting wavelet transform and its contrary transform are applied.
在铁路移频信号的检测中，针对其特点，提出了提升小波与傅立叶变换相结合的方法。
参考来源 - 基于提升小波的信号检测与图像识别方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
工频牵引电流会对移频信号带来极大的干扰。
Industrial frequency traction current may interference FSK signal.
相位连续的移频信号有较窄的带宽，抗干扰性能强。
The signal with continuous phase has narrower bandwidth and higher interference-free capability.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
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