This radar use FMICW signals, time synchronization consists of pulse synchronization and frequency-modulation synchronization.
该雷达采用调频中断连续波(FMICW)信号，时间同步包括调制脉冲的同步和调制频率的同步。
An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation.
速调管一种用速度调节的方法放大或产生超高频率的电子管。
Frequency modulation is not possible with polychromatic light.
多色光不可能调制频率。
The7years 'applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances.
7年的使用实践表明，直流脉动电压频率调制技术对抑制声谐振现象十分有效。
The performance for the frequency modulation of electrical feedback optical transmitters is presented.
本文研究了电反馈光发射机的频率调制特性。
Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.
给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。
AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.
调幅广播可以发送更远的距离，但它的声音质量却不及后来一种被称为频率调制的无线电信号处理方式优越。
Therefore, the tuner is essential to the frequency modulation radio.
所以调频收音机中的频率调谐器是至关重要的。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。
This paper analyses the frequency characteristics of the gear meshing and the signals due to amplitude and frequency modulation.
本文分析了齿轮传动的频率特性和它所产生的频率和幅值调制信号。
Based on modulation domain analysis, a frequency modulation parameter testing method is proposed.
基于调制域分析，设计了电子产品频率调制参数测试方法。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
相同频率调制比和幅度调制比的情况下，对调制波信号的不同采样点分布可以得到不同的SVM波形。
The phenomenon that the effect of the high frequency modulation is better than that of the low frequency modulation is explained, and general rules of choosing modulator parameters are also presented.
解释了高频调制效果比低频调制好的实验现象，并且给出了确定调制器参数的一般原则。
Based on the introduction of components and principle of work of frequency modulation system of constant frequency AC power supply, math model of frequency modulation system is established.
在介绍某型恒频交流电源频率调节系统的组成和工作原理的基础上，建立频率调节系统的数学模型。
The algorithm clearly displays the frequency modulation law of the nonlinear frequency modulation chirp signals at the same time.
同时清楚地展示了非线性调频信号的频率调制规律。
The frequency modulation effects of positive dipole (unipole) forcing source on LFO is stronger than negative dipole (unipole), and the wave oscillation quicken evidently.
正偶(单)极强迫源对大气低频振荡的调制作用强于负偶(单)极，波动振荡明显加快。
Gives an analysis on the non linearity in frequency modulation when a varactor modulates directly in a FM ranging fuze, and shows its influence on the precision of ranging.
分析了调频定距引信中采用变容二极管直接调频时调制的非线性及其对定距精度的影响。
LFMCW (Linear frequency Modulation continuous wave) radar is a radar system which can get the information of range and velocity through modulating the frequency of continuous wave.
线性调频连续波雷达是一种通过对连续波进行频率调制来获得距离与速度信息的雷达体制。
To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
研究非线性调频信号波形设计方法。依据相位逗留原理，采用动态优选法，给出了一种改进的非线性调频信号波形设计方法。
An introduction is given in the article to an automatic frequency modulation broadcasting system with digital audio recording function based on the computer software and hardware.
介绍了以多媒体电脑软硬件构成的电脑数码音频录制及调频广播节目自动播放系统。
Because of stepless frequency modulation and amplitude modulation and operating with facility, hydraulic vibrators are being used widely in a lot of engineering machines.
液压激振器由于具有无级调频、调幅和操作方便等优点而在许多工程机械中得到广泛应用。
This paper describes the principle and realizing technique of measuring distance, for measuring distance fuze with the system of frequency modulation continuous wave (FMCW).
论述了在主动调频连续波(FMCW)体制测距引信中实现精确测距的原理及其实现技术。
The static frequency modulation characteristic of electric network is the foundation of frequency stability of the electric network that determined by frequency modulation.
由一次调频决定的电网静态调频特性，则是电网频率稳定性的基础。
This paper presented a new counter-countermeasure method, known as two way anti frequency coherent method, to counter the noise frequency modulation disturbance.
该文针对接近白噪声的小指数调频干扰提出一种新型反干扰的方法：两路倒频相关法。
The paper introduces the yellow project pumping station frequency conversion speeder, and analyses the principle of the frequency modulation and the supplementary equipment performance.
介绍了引黄工程泵站变频调速装置，对其变频调速原理及其配套设备的性能进行了详细分析。
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
电离层频率调制导致地表面杂波的多谱勒展宽，极大地限制了高频天波雷达的目标探测性能。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
The influence of Kerr effect to close-loop digital resonator fiber optic gyroscope based on square-wave frequency modulation was analyzed in theory.
对采用方波频率调制数字闭环谐振型光纤陀螺中克尔效应的影响进行了深入的理论分析。
Traditionally, DSP only concerns in source coding as well as channel coding, but today, it begins to set foot in radio frequency modulation field.
信源编码，信道编码是DSP在通信信号处理中的传统经典应用，而如今DSP已深入射频调制部分。
The theory of AC frequency modulation for motor speed regulation technology, its applied procedure and actual effect in dedusting fan of converter are stated.
介绍了交流变频调速技术的原理、在转炉除尘风机上的实施过程和使用效果。
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