modulation造句
121. By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.
122. Combined with the jamming modulation technology, the classification, basic configuration and operation principle are introduced from the view of the application of electronic jamming.
123. Based on the mathematic model of separately excited DC motor, the control structure of the single- feedback-closed-loop controlled DC velocity modulation system was obtained.
124. The principle of measuring the light velocity with the method of wave modulation by ultrasonic diffraction crystal grating is analysed, and the experiment method is introduced.
125. Each symbol is encoded by the phase shift relative to the last symbol (the Differential part of the modulation scheme).
126. The frequency modulation effects of positive (negative) dipole or unipole forcing source on LFO in the mid-high latitudes are difference.
127. The form of chaotic attractor as well as the performance of phase space location modulation are analysed. The system model and implementation is also described.
128. The process of retrieving intelligence ( data ) from a modulated carrier wave; the reverse of modulation.
129. According to the peculiar capacity modulation mode of digital scroll compressor, the response discipline of condenser's mass flow rate was translated to an external input signal.
130. 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.
131. It is feasible that to use CCD device and image processing system in measurement of the modulation transfer function (MTF) of X-ray film and luminescent screen.
132. The transmitting and receiving unit (5) converts the transmission analog baseband signal into a transmission modulation wave signal to output to the network.
133. Wave distortions in the intensity modulation on different bias conditions have been analyzed.
134. Automatic modulation recognition and modulation parameters estimation are key problems in non - cooperative communication Software Defined Radio.
135. A novel topologic structure of high frequency AC pulse density modulation converter is proposed, and its operation principle, control scheme and design are described in detail.
136. In this dissertation the pulse compression performances of linear frequency modulation signals (LFM) and the algorithm of MTI/MTD are analyzed.
137. The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.
138. Radar waveforms that can using pulse compression technology are linear frequency modulation, nonlinear frequency modulation, phase coded pulse.
139. Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
140. Both SPWM andSVPWM adopt three modulating methods: synchronous modulation, asynchronousmodulation and hybrid modulation.
141. For high-speed and low-drive -power light, modulation, the advantages of the use of asymmetric strip line was shown.
142. But SC-FDE cannot finish adaptive modulation utilizing CSI directly like OFDM due to it has to make symbol mapping and detecting in time domain.
143. The system uses vector control theory to co operate the gasoline engine generator set and battery inverter set by means of soft switching pulse density modulation(PDM) converters.
144. Optical heterodyne Zeeman modulation magnetic rotation spectroscopy ( OHZM MRS ) is a high sensitive spectroscopy technique.
145. System performances using the two different pulse amplitude modulation schemes (BPSK and OOK) is compared.
146. Successive approximation method is directed to solve the peak modulation problems.
147. For a loss modulation where the threshold carrier density may change, the neglected term may become comparable to the retained first order small quantity.
148. The brain RAS has been found to be involved in the modulation of cardiovascular and fluid-electrolyte homeostasis, generally complementing the classical roles of the endocrine RAS.
149. A space vector pulse-width modulation(SVPWM)strategy was developed to avoid the failure of dead - time compensation near the zero - current point .
150. In screening technology asas color image in differenc dot have amplitude modulation and FM screening.
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