modulation造句
61. To solve this problem, BICM, which combines the bit interleaver and the coded modulation technology, is proposed. The results show that BICM can obtain more gain in Rayleigh channel.
62. The system consists of two modules: gating pulse module and high voltage modulation module.
63. Secondly, a current for it is developed, which consists of a bridge zero modulation current, signal amplifier and analog filter.
64. You need to remember is that pictures are digital modulation method is good.
65. Results show that the lower guide mode acting as the modulation channel is, the larger modulation index can be obtained.
66. Introduces an automatic sped modulation system for welding turner, which is used in the automatic . welding of spiral plane welds.
67. CVSD ( Continuous Variable Slope Delta Modulation ) voice coding enables operation at high bit - error rates.
68. To increase the effectively transmitted bandwidth, digital multiplex channel Weaver complex modulation is employed to implement SSB modulation.
69. Familiar with digital modulation, coding, filtering and anti - collision.
70. Simulation results demonstrate: the chaotic modulation signals generated from the four kinds of chaotic sources can all reduce the peak level of the input current and the output voltage spectrums.
71. In this paper, base-band signal is returned by 2DPSK modulation signal. The algorithms of receiving and sending carrier frequency synchronization in digital communication receiver are suggested.
72. The requirements for modulation techniques to digital mobile communication system are presented and the improved lineally digital modulation schemes are also briefly described.
73. The Configuration and activity theoretical of the placet frequency modulation glary instrument are introduced in this paper.
74. This device can be applied as a modulator or chopper in optical fiber signal transmission system and has a good prospect for its high modulation ratio and low price.
75. Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
76. The COFDM modulation part is made up of blocks partition, COFDM symbol forming, DQPSK symbol mapping, frequency interleaving, difference modulation and COFDM modulation and so on.
77. The radar altimeter mounted on high speed vehicle demonstrateswideband doppler modulation characteristic.
78. In order to reject the zero sequence and negative sequence disturbance due to unbalanced load, a solution using two-stage four-leg matrix converter based on carrier modulation strategy was proposed.
79. A simulation method of digital modulation schemes for satellite communications with adjacent channel interference is described and then a method for an efficient simulator is presented.
80. The practices of primary frequency modulation, OPC and FCB in Baosteel Power Plant were reviewed to explain the function of plant control in alleviating system failure.
81. In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
82. 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.
83. This paper introduces the pulse wide modulation(PWM) based on minimum root-mean-square value of harmonic current of inverter.
84. While there are different communication systems in different communication services, such as modulation mode and band and transmitting rate and MAC and so on.
85. Image form a variety of modulation algorithm to display the actual results.
86. The results indicate that the natural extracellular matrixes such as collagen (COL), hyaluronic acid (HYA) and phosphoserine (PS) play important roles in the modulation of mineralization.
87. Meanwhile, modulation schemes for deep space communication are provided based on channel features and requirements on data transmission rates.
88. The measurement of telemetry modulation index is discussed, and a new method using 2nd order sideband is proposed to improve measurement results.
89. In this paper, a three-dimensional space vector modulation(3DSVM) algorithm principle is presented and the principle is applied to DSTATCOM in three-phase four-wire system.
90. Objective To study the effect of oxytocin(OT)on pain modulation in spinal cord and its relation to endogenous met-enkephalin and dynorphin A_(1-13).
123456789