快好知 kuaihz


pulse造句
241 This paper detailedly studies the application of frequency coded pulse signal (FCP) to a high frequency ground wave over the horizon radar by designing signal waveform and processing. 242 TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon. 243 In this article the equations of the instantaneous current, which take account of the thermal effect during a sine-shaped pulse current flowing in the magnet, are presented for the first time. 244 The soft decode technology of pulse position modulation was proposed. 245 The influence of the impedence mismatching between the joint section in pulse forming line and the helical line on the voltage waveform of the diode was analyzed. 246 Cascaded fiber amplifier high repetition rate, short pulse - width all - solid - state laser seed can achieve high output power. 247 Finally, by using residuals instead of periodic pulse excitation - random noise binary excitation, s the quality of synthesized speech has been some upgrading. 248 Taking account of the noise in both the calibration system and the radar echo, the signal to noise ratio (SNR) after the pulse compression of the calibrated echo is analyzed. 249 And then the parameter of sensor, the frequency, scale, voltage of the pulse is optimized, and the optimization working point of the system is presented. 250 And their main technical parameters, which are impedance, response time, the level of the residual voltage, maximum peak pulse current and life times, are compared. 251 Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation. 252 A pulse coder must be mounted on the spindle when processing thread. 253 An air blowing experiment is done on a cascade of a pulse trans-sonic plane turbine cascade tunnel. 254 Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band (UWB) radar. 255 With same circular radiating antenna, same center frequency pulse, the analytical and numerical results of axial energy of several typical waveform pulse are offered by electromagnetic theory. 256 The circuit is suitable for three phase fully controlled rectification, inversion and voltage regulation etc. where the wide pulse, double narrow pulse or pulse string to trigger are needed. 257 Therefore, we use unipolar switching pulse width modulation scheme to realize a filterless Class - D power amplifier. 258 A hemodynamic parameters detecting instrument by pulse wave measuring is designed. 259 The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated. 260 The performance of time-hopping pulse position modulation (TH-PPM) UWB system using MHP is studied under additive white Gaussian noise(AWGN)channel. 261 Output rise and fall times are TTL compatible and independent of pulse duration. 262 The threshold condition of low gain broadband - pulsed excimer laser is closely relative to the pump pulse. 263 The key of this invention is the realization of comparer, counter, latch and system pulse generator. 264 A quick-response protective system for high power klystron with long pulse which is used in FEL injector based on RF linac is described.