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- signal digital companding 信号的数字压缩
- This paper introduces the software and hardware structure, display of digital course and the testing method of compass parameter of gyrocompass course signal digital processing system. 文章介绍了陀螺罗经航向信号数字化处理系统的软、硬件结构,数字航向的显示,罗经性能参数的测试方法。
- The performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of Fsk signal digital demodulation. And ideal conclusion is reached. 对各种频移键控信号的数字解调方法进行了研究和比较,并重点分析了零交点数字解调法的性能特征,最后得出了一个最佳结论.
- This paper states a new technology of voice and channel coding form in GSM beehive communication system and introduces analog signal digital conversion and transforming process in digital communication technology. 阐述了GSM蜂窝通信系统中的语音编码和信道编码新技术 ;并对数字通信技术中模拟信号数字化的转换和传输过程作了介绍 .
- Abstract: The performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of Fsk signal digital demodulation. And ideal conclusion is reached. 文摘:对各种频移键控信号的数字解调方法进行了研究和比较,并重点分析了零交点数字解调法的性能特征,最后得出了一个最佳结论.
- Experiments showed that the performance of the designed FIR type 25Hz AC counting signalling digital filter can satisfy the particular needs of the cab signals. 通过实验验证了所设计的 FIR 型25Hz 交流计数电码信号数字滤波器的性能可以满足机车信号的特殊要求.
- It puts forward a radar once video information processing technique: “distance compress”, to effectively improve SNR, and perform signal digitization and pretreatment. 提出了采用“距离压缩”的方法,以提高一次视频信息的信噪比;
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- digital companding 数字压扩
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时,人人脱帽致敬。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- A red lamp is used as a danger signal. 红灯用作危险信号。