In fact, the contributions of FSK are much more far reaching.
事实上，在捐款的FSK更为深遥。
Perhaps the most interesting frequency here is 518 kHz, used for transmission of maritime safety and navigation information via FSK.
或许最有趣的频率这里是518 千赫，被使用为海安全和航海信息传输通过FSK 。
This article establishes an optical label swapping system of combined FSK/ASK modulation format by using semiconductor optical amplifier- cross Gain modulation wavelength conversion which is used to erase and insert the lable.
本课题建立了一种基于频移键控/幅移键控联合正交调制方式下利用半导体－增益调制作为波长变化器进行光标记擦除与插入的光标记系统。
To 15600 kHz: This is the 19-meter international broadcasting band, and it is usually packed with signals during the daytime and early evening.
到 11650 kHz：这个频段主要是由一些使用 FSK 和数字模式的固定电台使用。但是也有些国际广播电台的信号。
This invention discloses an IC phone communication method based on the FSK mode including: loading and transmitting ciphered series, ciphered card information, called number information and other interaction information between an IC terminal and a process platform in the mode of FSK information, in which, the process platform authenticates the authority and charges, if the deduction at the terminal is correct, then it sends signals of anti-stealing making phone calls periodically, if not, it releases the call, when the calling rings off after the communication, the process platform cuts off the call of the called party after receiving the identification signals of the calling to release the voice channel between the platform and the called party then processes the balance information and releases call finally.
本发明公开了一种基于频移键控方式的IC卡电话通信方法，其主要方案是IC卡终端与处理平台之间通过FSK信息方式承载和传输加密序列、加密卡信息、被叫号码信息及其它交互的信息，由处理平台进行鉴权和计费；如果IC卡终端扣费正确则周期性向处理平台发送防盗打信号，处理平台鉴别防盗打信号的正确性，如果错误则释放呼叫；当通信结束后主叫先挂机时，处理平台收到主叫挂机标识信号后首先切断被叫侧的呼叫，释放处理平台与被叫侧之间的话路，然后再进行余额信息的处理和最后释放呼叫。使用本发明提出的方法，使得IC卡终端与处理平台之间的信息交互流程更加简单、清晰，提高了信息交互效率，并能及时释放话路，节约中继资源。
This invention discloses an IC phone communication method based on the FSK mode including: loading and transmitting ciphered sequences, ciphered card information, called number information and other interaction information between an IC terminal and a process platform in the mode of FSK information, in which, the platform authenticates the authority and charges, if the deduction at the IC terminal is correct, then it sends signals of anti-stealing making phone calls periodically to the platform, which differentiates the correctness of the signals, if they are wrong, it releases the call, when the communication is finished and the calling rings off first, the platform receives the identification signals of the ring-off of the calling to cut off the call of the called side and release the voice channel between the platform and the called side, then processes balance information and releases the call finally.
本发明公开了一种基于频移键控方式的IC卡电话通信方法，其主要方案是IC卡终端与处理平台之间通过FSK信息方式承载和传输加密序列、加密卡信息、被叫号码信息及其它交互的信息，由处理平台进行鉴权和计费；如果IC卡终端扣费正确则周期性向处理平台发送防盗打信号，处理平台鉴别防盗打信号的正确性，如果错误则释放呼叫；当通信结束后主叫先挂机时，处理平台收到主叫挂机标识信号后首先切断被叫侧的呼叫，释放处理平台与被叫侧之间的话路，然后再进行余额信息的处理和最后释放呼叫。使用本发明提出的方法，使得IC卡终端与处理平台之间的信息交互流程更加简单、清晰，提高了信息交互效率，并能及时释放话路，节约中继资源。
The participating entities are: Shanghai Carbone Lorraine Chemical Equipment Co., Ltd., Shanghai Xianda Lorraine Pressure Vessels Manufacturing Co., Ltd., Carbone Lorraine Co., Ltd., Ferraz Shawmut Electrical Protection Co., Ltd., Ferraz Shawmut Co., Ltd. FSK
各参与企业有：上海卡朋罗兰化工设备有限公司，上海罗兰贤达压力容器制造有限公司，卡朋罗兰碳制品有限公司，法雷日之出电气保护系统有限公司，昆山法雷机电有限公司。
Zero-cross feature of MPSK signalswavelet transfom When MPSK signals are analyzed with wavelet transform, a kind of novel zero-cross phenomenon is found and illustrated in graphics.
对ASK、FSK和PSK信号的类间分类(inter-class)和类内分类(intra-class)进行了新的探讨。(2)MPSK信号小波变换的过零特征。MPSK信号的特征提取和分类一直是通信领域关注的焦点也是一个难点。
He TRF6903 single-chip solution is an integrated circuit intended for use as a low-cost multiband FSK or OOK transceiver to establish a frequency-programmable, half-duplex, bidirectional RF link.
RF6903单芯片解决方案是一款可用作低成本多频带FSK或OOK收发器的集成电路，用于建立频率可编程的半双工双向RF链接。
It is isolated and purified from a kind of Chinese tropical plants: Coleus forskohlii After many years'research, we found that FSK88 had broad-spectrum effects of anti-cancer and only slightly toxic effects.
研究表明它具有诱导多种肿瘤细胞向正常细胞逆转分化或调亡的作用，而且毒副作用极微。本文以人胃癌细胞BGC-823为体外培养实验模型。
The experimental system for the course of communication principles is designed in the modularized frame. It is composed of the analog signal module, the digital signal module, the sampling theorem module, the PCM coding and decoding module, the AM coding and decoding module, the FSK modulation and demodulation module, the PSK modulation and demodulation module, the HDB_3 coding and decoding module, and the bit synchronization module, etc.
通信原理教学与研究系统采用模块化结构，主要由模拟信源模块、数字信源模块、抽样定理模块、PCM编译码模块、△M编译码模块、FSK调制解调模块、PSK调制解调模块、HDB_3编译码模块、位同步模块等组成，涵盖了《通信原理》课程的主要教学内容。
This is mainly because the FSK modulation and demodulation method is very simple. in the balanced receiver technology does not require the use of complex technical and matched filter.
这主要是因为FSK的调制解调方式很简单，在接收端并不需要采用均衡技术及匹配滤波器等复杂的技术。
For example, the principle of FSK has laid the path to the development of other similar techniques such as the Audio Frequency Shift Keying and Multiple Frequency Shift Keying just to name a few.
举例来说，原则上的FSK奠定了发展的路径其他类似技术，如声频移键控及多频移键控刚刚仅举几例。
On this basis, this paper, 2 FSK modulation to achieve the specific methods and results, and an analysis and discussion.
在此基础上，本文给出了2FSK调制的具体实现方法以及实验结果，并进行了分析和讨论。
To 8815 kHz: This is a busy maritime band from the late afternoon until early morning, with most traffic in USB and FSK modes.
到 4438 kHz：这个波段用于 USB 的海事通讯，而 4125 kHz 被用于呼叫。
The history of FSK dates back to the early 1900s, when this technique was discovered and then used to work alongside teleprinters to transmit messages by radio.
历史上的FSK可以追溯到20世纪初叶，当这一技术被发现，然后用并肩工作，teleprinters传递信息，由电台
The result of the test has shown that the system could analyze the FSK signal in real time, and it has met the demand of design.
测试结果表明本系统能够准确、实时的对移频信号进行处理，满足了设计需求。
And then discussed the modulations of the baseband signal relative to the network, including two level FSK and GMSK, and it also introduced the data format of DSC.
接着论述了组网相关基带信号的调制方式。
By using global system for mobile communication and frequency shifting keying, a technology system is designed.
该文提出了一种基于GSM和FSK技术的农田水分监测与决策支持系统解决方案。
On the other hand, in coherent Frequency Shift Keying or binary FSK, there is no phase discontinuity in the output signal.
在另一方面，在相干频移键控或二进制的FSK ，是没有间断期在输出信号。