frequency keying
英 [ˈfriːkwənsi ˈkiːɪŋ]
美 [ˈfriːkwənsi ˈkiːɪŋ]
频率键控
双语例句
- Phase comparison sinusoidal frequency shift keying
相位比较正弦移频键控 - Multiple frequency shift keying telegraph terminal
多频移频键控电报终端机 - The basic principle of Frequency Shift Keying is at least a century old.
基本原则的频移键控是至少一个世纪老人。 - The design and realization of minimum frequency shift keying modulation system based on FPGA
基于FPGA的最小移频键控调制器的设计与实现 - The utility model discloses a minimum frequency shift keying ( MSK) modulator, and is applied to a digital information transmission system.
最小移频键控（MSK）调制器，适用于数字信息传输系统中。 - Employing the modulation scheme Non-coherent Frequency Shift Keying ( NFSK), the existence of the optimal transmission strategy is proved, and a repeated dynamic game is proposed.
针对非相干频移键控调制方式，证明最优传输策略的存在性，提出一个重复的动态博弈。 - Frequency-domain equalization for continuous phase frequency shift keying
连续相位频移键控信号的频域均衡算法 - A long-range underwater acoustic information transmission technique based on Multiple Frequency Shift Keying ( MFSK) modulation is studied, and the demodulation method based on spectrum estimation is introduced.
研究了一种基于多进制频移键控（MFSK）调制的水声远程信息传输技术，介绍了通过谱分析进行解调的方法。 - Recently, there has been great interest in Space-Time Frequency Shift Keying ( ST-FSK) because it has superior performance against fading and enjoys a low decoding complexity.
空时频移键控（ST-FSK）具有良好的抗衰落特性、较低的译码复杂性，最近正受到广泛的重视。 - Owing to adopting the technique of binary frequency shift keying ( 2FSK), this equipment has less error-code rate. It can be used either to security systems, or to other median distance data communications.
由于采用了二进制移频键控技术（2FSK），整机具有低的误码率，该法除可用于安全系统外，还可用于其他中程数据通信。 - Based on the discussion of the topological structure of a superheterodyne FM receiver, a one chip FM receiver for FSK ( Frequency Shift Keying) signal has been designed.
在分析超外差FM中频接收拓扑结构的基础上，设计出一种用于FSK（移频键控）信号的单片FM中频接收电路系统。 - Discusses the modern test method for the transmission signal in the signal transmission system with phase-consecutive frequency shift keying ( FSK) encoded mode, and describes the relative signal characteristic extraction method with mathematics and presents the characteristic function for the communication signal characteristic extraction method.
对使用了相位连续的频移键控编码方式（FSK）的信号传输系统中的几种传输信号现代检测方法进行了探讨，并对其所对应的信号特征的提取方法进行了数学描述； - This paper describes the design and the test results of Gaussian frequency shift keying for bluetooth.
介绍了一种用于蓝牙芯片的高斯滤波移频键控的设计和测试结果。 - This paper presents a multiuser detection algorithm for the frequency hopping MFSK ( M-ary Frequency Shift Keying) multiple access systems under the assumption of ideal power control.
该文在对快跳频多址系统中同频干扰图案分析的基础上，提出了一种利用理想功控的条件进行同频干扰消除的多用户检测算法。 - Based on the analysis of generation and demodulation of binary frequency shift keying in digital communication, this paper introduces that using one set of frequency discrimination circuit to demodulate binary frequency shift keying signal in special working environments.
在分析数字通信中二进制移频键控信号的产生及解调基础上，提出一种应用于特殊工作环境中的单频点鉴频解调二进制移频键控信号的方法。 - In this paper, a new Asymmetric-Raised-Cosine Frequency Shift Keying ( ARC-FSK) modulation signal used for the middle range multi-carrier UWA communication is proposed.
该文针对中程（10~30km）多载波水声通信系统提出一种非对称升余弦频移键控调制（ARC-FSK）信号。 - Studies on Multiple Frequency Shift Keying in Underwater Data Transmission
水声数据传输的多频移频键控研究 - Demodulation of binary frequency shift keying in digital communication
二进制移频键控在数字通信中的解调 - Through the experiments with two systems, which based on two kinds of the binary system frequency shift keying ( 2FSK) modems, the algorithm's validity is tested.
以两种二进制频移键控（binarysystemfrequencyshiftkeying，2FSK）调制解调器搭建系统进行实验，验证了该方法的有效性。 - Frequency-shift keying signal modulation using FPGA
利用FPGA实现移频键控信号的调制 - Aimed at the requirement of the long-range underwater acoustic information transmission with the low bit-error rate ( BER), the method for combining the frequency division multiplexing ( FDM) and the M-ary frequency shift keying ( MFSK) is proposed.
针对远程、低误码率水声信息传输的要求，提出了将频分多路（FDM）与多进制频移键控（MFSK）调制相结合的信息传输方式。 - With the analysis of traditional data transmitting method in power line carrier channel, this paper introduces a new transmission device which adopts octal quadrature amplitude modulation instead of frequency shift keying to achieve the requirement of multi-purpose 1 200 bps data transmitting.
通过对传统载波数据传输方式的分析，介绍一种新型电力线载波数据传输装置，采用八进制正交振幅调制替代频移键控调制，实现上音频复用传输1200bps数据。 - The Continuous Phase Frequency Shift Keying ( CPFSK) signaling scheme has been widely used in mobile applications.
连续相位频移键控（CPFSK）信号广泛应用于便携式移动通信系统。 - Carrier recovery for continuous phase frequency shift keying coherent detection
相位连续频移键控相干解调载波的提取 - In this thesis, the multiple access interference cancellation algorithms for FH system are investigated. Firstly, the related knowledge of FH communication system and the fast frequency hopping/ Multiple frequency shift keying ( FFH/ MFSK) system model are introduced.
首先，本文对跳频通信系统的相关理论知识和快跳频多进制频移键控（FFH/MFSK）系统模型进行了介绍。 - Orthogonal frequency division multiplexing ( OFDM) is a promising technique which can be thought as a hybrid of multicarrier modulation ( MCM) and frequency shift keying ( FSK) modulation and it is the main candidate technology for the new generation communication system.
正交频分复用（OFDM）是一项很有前途的技术，可以看成是多载波调制（MCM）和频移键控（FSK）调制的结合，是新一代无线通信传输的主要候选技术。 - Introduced the space-time frequency shift keying and the convolutional code theory in detail.
详细地介绍了空时频移键控（ST-FSK）调制解调理论和卷积码编码、维特比译码理论。 - Similarly, as a way of continuous phase modulation with constant envelope, GMSK ( gaussian minimum frequency shift keying) has good spectrum characteristics and ber performance.
同样，GMSK（高斯最小移频键控）作为一种恒包络连续相位调制方式，它有着优良的频谱特性和误码性能。 - Except electronic reconnaissance receiver, MFSK ( M-ary Frequency Shift Keying) receiver, OFDM ( Orthogonal Frequency Division Multiplexing) receiver, spectrum analysis method of receiver scheme is rarely used in conventional receiver.
采用谱分析方法实现接收的方案，除在电子侦察接收机、MFSK（多进制频移键控）接收机或OFDM（正交频分复用）接收机中应用外，很少在常规数字接收机中使用。 - On the FSK ( Frequency Shift Keying) digital receiver, the signal is demodulated mainly by frequency discrimination.
在FSK（频移键控）数字接收机中，信号的解调主要以鉴频为主。