FSK

This paper introduces a design method of data acquisition device in wireless dynamic electronic grab bucket scales. The functions with real-time acquisition, disposal, FSK modulation and transmission of load weight are implemented.

本文介绍无线动态电子抓斗秤中数据采集装置的一种设计方法，实现了对所扎货物重量信号的实时采集、处理和FSK调制发射功能。

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this paper briefly described the basic principle of a fsk automotive collision warning radar system and the testing performance of our production.

文章简要介绍了FSK体制汽车避碰雷达的工作原理，并对该雷达系统的测试情况进行了介绍。

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The FSK modem technique can be widely used for transmitting data in tone channel.

FSK调制解调技术广泛应用于话音通路传输数据.

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π/ 4 D-QPSK base-band modulation and demodulation method realized by DSP technology is better than FSK, ASK, PSK in technical criterion. It is according to the request of digital honeycomb system.

利用DSP手段，实现的π/4D-QPSK基带调制解调在技术要求方面要优于FSK、ASK、PSK等调制方式，更能满足数字蜂窝系统的要求。

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Traditionally the noncoherent frequency-shift-keying ( FSK) is more commonly used in FHSS systems due to its simplicity compared with the coherent phase-shift-keying ( PSK) scheme.

传统的非相干移频键控广泛应用于跳频扩频系统中，因为它相对于相干移相键控比较简单。

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Study on demodulating multi-channel FDMA/ FSK signals on board based on FFT

基于FFT的星上多路FDMA/FSK信号解调研究

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It can be used as the local oscillator in wave/ spectrum analyser. It also can be used as a new digitally modulated FSK/ PSK signal generator.

它可用作为波形、频谱分析仪的本机振荡器，也可用作为数字调制的移频键控（FSK）、移相键控（PSK）信号发生器。

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In this paper, the wireless data radio takes the GPS differential positioning as a starting point, takes the FSK modulation mode, can complete the wireless transmission of data in S frequency band with the time division duplex operation mode.

本文设计的无线数传电台以用于GPS差分定位为出发点，采用FSK的调制方式，能在S频段以时分双工的工作模式完成数据的无线传输。

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As the key signal system guaranteeing the safety for the railway, there are two types of FSK system used now by China railway: UT signal imported from France and the homemade YP signal.

FSK信号作为保障铁路安全运行的主要信号制式，在国内铁路上现在有两种，是法国引进的UT信号和国内自主开发的YP信号。

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Except being tested as a special experiment, Experiment module can also constitute more systems such as: ASK digital communication system, FSK digital communication system, TDM communication system and so on.

各模块可单独进行原理实验，也可级联成系统如：ASK数字通信实验系统、FSK数字通信实验系统、时分复用通信实验系统等。

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Research on the method of real time digital demodulation for the FSK signal

FSK信号数字化实时解调方法

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The results show that the FFSK has more virtues of phase continuation and higher band utilization than FSK and PSK/ DPSK.

结果表明：FFSK调制解调器具有相位连续、包络恒定的特征，频带利用率优于一般FSK和PSK/DPSK。

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FSK caller signal automatically refresh existing system date and time, DTMF telephone signal to the original system, the time and date settings had no effect.

FSK来电信号自动刷新原有的系统日期时间，DTMF来电信号对原系统的时间，日期的设置无影响。

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An algorithm was proposed to demodulate multi-channel FDMA/ FSK signals based on fast Fourier trans-form ( FFT).

提出了一种基于FFT的星上多路FDMA/FSK信号解调算法。

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Using four-frequency reuse FSK digital modulation technology and properly adjusting the four carrier waves, this paper describes how to realize multi-route and multi-kinds signals transmit within a communication line in the feeder automation system.

用四频复用FSK数字调制体制，通过对四个副载波的合理调配，在一条线路上实现多路、多种类型的通信。

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Measuring Frequency of Low FSK Signal Adapting Phase Deducted Method

采用相位推算法测量低频FSK信号频率

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Asynchronous FSK wireless data traffic interface circuit design.

异步FSK无线数据通信接口的研制.

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Generally speaking, PSK system performance than switch Keying FSK system well, but must use synchronous detector.

一般来说, PSK系统的性能要比开关键控FSK系统好, 但必须使用同步检波.

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Select FSK communication method to combat multipath effect.

选择频移键控数据通信方式,提高抗多径干扰的能力.

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The signal types include SSB, DSB, PSK, AM, ASK, FM, FSK etc.

信号调制样式包括SSB, DSB, PSK, AM, ASK, FM, PSK等.

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Time Domain Analysis Computer Simulation of Direct Detection FSK-FDM System

直接检测FSK－FDM光纤通信系统时域分析与计算机模拟

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It can collect 32 channels simu-lative signals, and gathers the signals to carry on the FSK modulation, transmits with the wireless to master station;

它能够将采集到的32路模拟信号进行FSK调制，用无线方式发送到上位接收机；

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A New ALE Calling Method In FFH/ FSK System

短波快速跳频系统下新的ALE呼叫方法

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In the special enviroment such as the manufactory of steel-making, for improving the work efficiency of the drivers, this paper proposes a solution of wireless remote control system based on modulation technique of FSK.

针对在工矿、钢铁企业等特殊场合下，为了提高内燃机车司机的工作效率，介绍了一种FSK调制的无线遥控数传系统的方案。

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Intersymbol Interference in Optical Phase Diversity FSK Communication Systems

相位分集频移键控光通信系统中码间干扰的研究

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A Method for FSK Timing Recovery Based On Data Transition Tracking Loop

一种基于DTTL环的FSK定时同步方法

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a data sampling module of a fsk automotive collision warning radar system

FSK体制汽车避碰雷达的数据采集系统

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The paper introduces a new solution to FSK signal receiver used by railway signal control system, and analyses the theory of FSK demodulation.

本文介绍了CTCS系统专用的FSK信号接收的新方案。

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Common Type , DTMF number display type and FSK calling display types available according to the functions.

按功能分为普通型 、 DTMF号码显示型和FSK来电显示型三种.

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It adopts FSK modulation/ demodulation technology and has low error coding and is easy to connect PC.

nRF401是一个专用工业频段（433MHz）无线收发芯片。它采用FSK（移频键控）调制解调技术，具有无需曼彻斯特编码、误码率低、便于与单片计算机连接等特点。

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