modulation造句
181. This paper presents a differential modulation diversity used in the presence of unknown multi-path.
182. In this dissertation, we studied parameter estimation and modulation identification algorithms of satellite TDMA communication signals.
183. For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.
184. The sensing error can be improved by sampling instant modulation for DCM DC - DC flyback converters.
185. PWM modulation and IGBT drive circuits determined the quality of welding, controlled the output of driving signal for the IGBT inverter main circuit.
186. To improve the fuze antijamming performance and the distance resolution, presents the main parameters of pseudorandom code source in pseudorandom code modulation fuze.
187. Quadrature Amplitude Modulation(QAM) is used to transfer signals by digital TV system based on DVB_C standard.
188. Pulse modulation may be used to control a bias voltage and an ionization.
189. IGBT combines the features of voltage-control in MOS devices and conductivity modulation in bipolar devices.
190. Pumped-storage plant can take on the tasks of reducing peak and filling valley, emergency reserve, frequency modulation, phase modulation, etc.
191. The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.
192. According to the frequency modulation function mode, this paper proposes to design the nonlinear frequency modulation(NLFM) signal using the data fitting method.
193. Position control of d . c . motors has been done by means of pulse width modulation.
194. Objective: To study the antitumor activity and immune modulation of extract from Chlorella pyrenoidosa Chick. (CE).
195. The presence of this functional feedback from the mushroom bodies to the antennal lobes suggests top-down modulation of olfactory information processing in Drosophila.
196. This thesis introduces a series of low cost high precision Linear Frequency Modulation Continuous Wave(LFMCW)ranging radar.
197. The method of complex envelop modulation is employed in generating the target reflecting signal.
198. When the intensity modulation index increases, the optimal frequency modulation index increases.
199. Thus , the present research provides an effective method modulation of primary afferent synaptic transmission.
200. Single sideband amplitude modulation is the major model of the military software radio.
201. Heavy copper rings mounted above and below the T-shaped pole piece reduce non linear and modulation distortion and increase the overload margin.
202. A simple measuring method for effective value of pulse frequency modulation(PFM)is presented against on the needs of designation and analysis of high frequency X-ray generator.
203. For a reflective fiber optic displacement sensor, the influence of fixing error on the intensity modulation characteristics is studied theoretically with a mathematic model.
204. Experimental results indicate that the timing scheme satisfied the requirement of miniaturized three - FOG to modulation - demodulation signal.
205. A novel embedded curvature fiber optic sensor is developed, which base on the light intensity modulation by the variation of structure curvature.
206. CPF effect is the physical basis for chaotic decoding, and it is relative to the modulation frequency.
207. Experiments on electro-optic modulation are usually focused on the application in audio communication based on well defined half-wave voltage.
208. The design theory of PMLSM based on permeance modulation is proposed.
209. The chaotic signal transmitter also includes a modulation controller for controlling the modulation of the chaotic signal according to the quantized transmission signal.
210. The hardware configuration of using DDS chip AD 9956 to realize the linear modulation function is introduced.
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