frequency shift modulation
英 [ˈfriːkwənsi ʃɪft ˌmɒdjʊˈleɪʃən]
美 [ˈfriːkwənsi ʃɪft ˌmɑdʒəˈleɪʃən]
网络 频移调变
双语例句
- The frequency shift induced by cross-phase modulation ( XPM) in dispersion-shifted fiber ( DSF) is experimentally studied, then wavelength conversion is achieved through filtering by fiber grating.
对色散位移光纤中交叉相位调制效应（XPM）导致连续波产生频移进行了实验研究，并用光纤光栅滤波实现了波长转换。 - 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 - Effect of Doppler Frequency Shift on Linear Frequency Modulation Signal Pulse Compression
多普勒频移对线性调频信号脉冲压缩的影响 - It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。 - 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。 - Unification of the frequency shift and pulse compression of an ultrashort laser pulse propagating in a background plasma wave is realized by employing the concept of phase modulation of the laser pulse by the plasma wave.
提出等离子体波对光脉冲产生相位调制的观点，把光脉冲在背景等离子体波中传播时的频率移动与脉宽压缩效应统一起来。 - Phase FM-DCSK ( Frequency Modulation-Differential Chaos Shift Keying) for increasing the data rate of the chaos modulation system is proposed.
为进一步提高混沌通信系统的传输速率，提出了一种基于FM（frequencymodulation）的四相混沌键控方法。 - In the FM-QCSK ( Frequency Modulated Quadrature Chaos Shift Keying) communication system, frequency modulation of the continuous-time chaotic signal makes it possible to generate an inherent wideband signal with constant energy per bit.
在调频-四相混沌键控（FM-QCSK）混沌数字通信系统中，对时域连续混沌信号进行频率调制，使单位码元具有近似相等的比特能量； - Study on~( 133) Cs Saturated Absorption Frequency Stabilization of ECDLs by AOM Frequency Shift/ Modulation
声光偏频～（133）Cs饱和吸收半导体激光器稳频技术的研究 - 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。 - The principle of frequency slip is intro-duced briefly. The software algorithm for frequency slip output and the design ideas of phase accumulator, digital wave composition, digital phase shift, and programmable amplitude modulation of output wave are emphasized.
简述了频率滑差的原理，重点叙述了适应于频率滑差输出的软件算法，以及相位累加器、数字波形的合成、数字移相和输出波形的程控调幅等环节的设计思想。 - Having been taken advantage of narrow band frequency modulation communication and wide band extended frequency communication, this meter reading system bases on the extended frequency communication, applies direct sequence for extended frequency mode and phase shift keying for modulation system.
结合窄带调频通信和宽带扩频通信优势，以扩频通信为基础，扩频方式采用直接序列扩频，调制方式为相移键控。 - Frequency-shift keying signal modulation using FPGA
利用FPGA实现移频键控信号的调制 - The pulse modulation and frequency shift modulation technologies have been studied theoretically and experimentally based on the detailed introduction of operation principle of electro-optic modulator ( EOM).
在详细介绍电光调制器（EOM）工作原理的基础上，理论并实验研究了EOM脉冲调制和移频调制技术。 - 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。